CN1071164A - 含氮杂环化合物 - Google Patents
含氮杂环化合物 Download PDFInfo
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- CN1071164A CN1071164A CN92110792A CN92110792A CN1071164A CN 1071164 A CN1071164 A CN 1071164A CN 92110792 A CN92110792 A CN 92110792A CN 92110792 A CN92110792 A CN 92110792A CN 1071164 A CN1071164 A CN 1071164A
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- -1 Nitrogen-containing heterocycle compound Chemical class 0.000 title claims abstract description 134
- 150000001875 compounds Chemical class 0.000 claims abstract description 232
- 238000002360 preparation method Methods 0.000 claims abstract description 42
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 138
- 125000000217 alkyl group Chemical group 0.000 claims description 107
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 98
- 229910052739 hydrogen Inorganic materials 0.000 claims description 73
- 239000001257 hydrogen Substances 0.000 claims description 73
- 239000002904 solvent Substances 0.000 claims description 62
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 48
- 238000006243 chemical reaction Methods 0.000 claims description 44
- 229910052736 halogen Inorganic materials 0.000 claims description 44
- 150000002367 halogens Chemical class 0.000 claims description 44
- 230000002829 reductive effect Effects 0.000 claims description 44
- 238000010992 reflux Methods 0.000 claims description 41
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 34
- 125000003545 alkoxy group Chemical group 0.000 claims description 33
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 32
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 29
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 25
- 125000004181 carboxyalkyl group Chemical group 0.000 claims description 24
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 24
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 24
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 21
- 239000002585 base Substances 0.000 claims description 20
- 229920006395 saturated elastomer Polymers 0.000 claims description 18
- 125000002252 acyl group Chemical group 0.000 claims description 17
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 17
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 15
- 125000001072 heteroaryl group Chemical group 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 125000003342 alkenyl group Chemical group 0.000 claims description 11
- 125000004183 alkoxy alkyl group Chemical group 0.000 claims description 11
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 11
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 10
- 125000003368 amide group Chemical group 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 7
- 150000001721 carbon Chemical group 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 5
- 125000005115 alkyl carbamoyl group Chemical group 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 5
- 125000005346 substituted cycloalkyl group Chemical group 0.000 claims description 5
- 241000790917 Dioxys <bee> Species 0.000 claims description 4
- 125000004103 aminoalkyl group Chemical group 0.000 claims description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
- 125000004475 heteroaralkyl group Chemical group 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical group C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 125000000717 hydrazino group Chemical group [H]N([*])N([H])[H] 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 2
- 125000004656 alkyl sulfonylamino group Chemical group 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 2
- 125000002883 imidazolyl group Chemical group 0.000 claims description 2
- 238000006277 sulfonation reaction Methods 0.000 claims description 2
- 241001597008 Nomeidae Species 0.000 claims 10
- JWVCLYRUEFBMGU-UHFFFAOYSA-N quinazoline Chemical compound N1=CN=CC2=CC=CC=C21 JWVCLYRUEFBMGU-UHFFFAOYSA-N 0.000 claims 10
- 239000012442 inert solvent Substances 0.000 claims 7
- 150000002431 hydrogen Chemical class 0.000 claims 4
- TWSIYGATPWEKBK-UHFFFAOYSA-N 4h-1,3-benzodioxine Chemical compound C1=CC=C2OCOCC2=C1 TWSIYGATPWEKBK-UHFFFAOYSA-N 0.000 claims 3
- 239000003513 alkali Substances 0.000 claims 3
- 125000005429 oxyalkyl group Chemical group 0.000 claims 3
- 239000005864 Sulphur Substances 0.000 claims 2
- 125000002015 acyclic group Chemical group 0.000 claims 1
- 238000006482 condensation reaction Methods 0.000 claims 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims 1
- 239000012434 nucleophilic reagent Substances 0.000 claims 1
- 125000002769 thiazolinyl group Chemical group 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract description 16
- 206010003497 Asphyxia Diseases 0.000 abstract 1
- 208000019622 heart disease Diseases 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 200
- 239000000203 mixture Substances 0.000 description 166
- 239000000460 chlorine Substances 0.000 description 118
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 90
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 81
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 76
- 239000013078 crystal Substances 0.000 description 75
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 68
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 66
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 63
- 239000000243 solution Substances 0.000 description 50
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 46
- 238000001914 filtration Methods 0.000 description 46
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 44
- 238000010898 silica gel chromatography Methods 0.000 description 41
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 40
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 36
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 33
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 33
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 26
- 239000012044 organic layer Substances 0.000 description 25
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 23
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 23
- 239000011541 reaction mixture Substances 0.000 description 23
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 15
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 15
- 238000003756 stirring Methods 0.000 description 15
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 14
- 239000000706 filtrate Substances 0.000 description 14
- 239000003921 oil Substances 0.000 description 14
- 235000019198 oils Nutrition 0.000 description 14
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 12
- 239000012312 sodium hydride Substances 0.000 description 12
- 229910000104 sodium hydride Inorganic materials 0.000 description 12
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 10
- 239000003814 drug Substances 0.000 description 10
- 239000011780 sodium chloride Substances 0.000 description 10
- 125000001424 substituent group Chemical group 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 9
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 9
- 235000019341 magnesium sulphate Nutrition 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 201000010099 disease Diseases 0.000 description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 description 8
- 239000000725 suspension Substances 0.000 description 8
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 8
- ZILSBZLQGRBMOR-UHFFFAOYSA-N 1,3-benzodioxol-5-ylmethanamine Chemical compound NCC1=CC=C2OCOC2=C1 ZILSBZLQGRBMOR-UHFFFAOYSA-N 0.000 description 7
- 229940079593 drug Drugs 0.000 description 7
- 125000004430 oxygen atom Chemical group O* 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 6
- 230000002401 inhibitory effect Effects 0.000 description 6
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 description 6
- 150000003246 quinazolines Chemical class 0.000 description 6
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 6
- 206010002383 Angina Pectoris Diseases 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 5
- 102000004861 Phosphoric Diester Hydrolases Human genes 0.000 description 5
- 108090001050 Phosphoric Diester Hydrolases Proteins 0.000 description 5
- 125000000753 cycloalkyl group Chemical group 0.000 description 5
- 238000010828 elution Methods 0.000 description 5
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 5
- 125000006239 protecting group Chemical group 0.000 description 5
- 238000006722 reduction reaction Methods 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- WMGKNSQVMRRFRO-UHFFFAOYSA-N 4-(1,3-benzodioxol-5-ylmethylamino)-2-chloroquinazoline-6-carbonitrile Chemical compound C1=C(C#N)C=CC2=NC(Cl)=NC(NCC=3C=C4OCOC4=CC=3)=C21 WMGKNSQVMRRFRO-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 4
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 4
- 239000004480 active ingredient Substances 0.000 description 4
- 125000004466 alkoxycarbonylamino group Chemical group 0.000 description 4
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N alpha-methyl toluene Natural products CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 4
- 239000000872 buffer Substances 0.000 description 4
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 4
- 125000005019 carboxyalkenyl group Chemical group 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000010531 catalytic reduction reaction Methods 0.000 description 4
- WFCXDHSKRSJAEH-UHFFFAOYSA-N ethyl 2-(1,3-benzodioxol-5-yl)-2-[(6-chloroquinazolin-4-yl)amino]acetate Chemical compound C1=C2OCOC2=CC(C(NC=2C3=CC(Cl)=CC=C3N=CN=2)C(=O)OCC)=C1 WFCXDHSKRSJAEH-UHFFFAOYSA-N 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 208000031225 myocardial ischemia Diseases 0.000 description 4
- RKILVZBRJMBURU-UHFFFAOYSA-N n-(1,3-benzodioxol-5-ylmethyl)-2,6-dichloroquinolin-4-amine Chemical compound C1=C2OCOC2=CC(CNC2=CC(Cl)=NC3=CC=C(C=C32)Cl)=C1 RKILVZBRJMBURU-UHFFFAOYSA-N 0.000 description 4
- YBYRMVIVWMBXKQ-UHFFFAOYSA-N phenylmethanesulfonyl fluoride Chemical compound FS(=O)(=O)CC1=CC=CC=C1 YBYRMVIVWMBXKQ-UHFFFAOYSA-N 0.000 description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- KHWYUDBVRMAWGX-UHFFFAOYSA-N 2,4-dichloroquinazoline-6-carbonitrile Chemical compound C1=C(C#N)C=CC2=NC(Cl)=NC(Cl)=C21 KHWYUDBVRMAWGX-UHFFFAOYSA-N 0.000 description 3
- FRQDVXWNVZUZBC-UHFFFAOYSA-N 2-chloro-4-[(3-chloro-4-methoxyphenyl)methylamino]quinoline-6-carbonitrile Chemical compound C1=C(Cl)C(OC)=CC=C1CNC1=CC(Cl)=NC2=CC=C(C#N)C=C12 FRQDVXWNVZUZBC-UHFFFAOYSA-N 0.000 description 3
- NHQDETIJWKXCTC-UHFFFAOYSA-N 3-chloroperbenzoic acid Chemical compound OOC(=O)C1=CC=CC(Cl)=C1 NHQDETIJWKXCTC-UHFFFAOYSA-N 0.000 description 3
- VHCLLNZVHWPGJH-UHFFFAOYSA-N 4-(1,3-benzodioxol-5-ylmethylamino)-6-chloroquinazoline-2-carbaldehyde Chemical compound C1=C2OCOC2=CC(CNC2=NC(C=O)=NC3=CC=C(C=C32)Cl)=C1 VHCLLNZVHWPGJH-UHFFFAOYSA-N 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 241000282898 Sus scrofa Species 0.000 description 3
- 125000004423 acyloxy group Chemical group 0.000 description 3
- 125000005194 alkoxycarbonyloxy group Chemical group 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 208000006673 asthma Diseases 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- DQYBDCGIPTYXML-UHFFFAOYSA-N ethoxyethane;hydrate Chemical compound O.CCOCC DQYBDCGIPTYXML-UHFFFAOYSA-N 0.000 description 3
- TYVBFVCIADCIIF-UHFFFAOYSA-N ethyl 1-[4-(1,3-benzodioxol-5-ylmethylamino)-6-chloroquinazolin-2-yl]piperidine-4-carboxylate Chemical compound C1CC(C(=O)OCC)CCN1C1=NC(NCC=2C=C3OCOC3=CC=2)=C(C=C(Cl)C=C2)C2=N1 TYVBFVCIADCIIF-UHFFFAOYSA-N 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 125000005113 hydroxyalkoxy group Chemical group 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 238000001727 in vivo Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 150000007529 inorganic bases Chemical class 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- RVGSIMVGYIFXOV-UHFFFAOYSA-N n-(1,3-benzodioxol-5-ylmethyl)-2,6-dichloroquinazolin-4-amine Chemical compound C1=C2OCOC2=CC(CNC2=NC(Cl)=NC3=CC=C(C=C32)Cl)=C1 RVGSIMVGYIFXOV-UHFFFAOYSA-N 0.000 description 3
- DTXMCBOQAUZVSI-UHFFFAOYSA-N n-[(3-amino-4-chlorophenyl)methyl]-6-chloroquinazolin-4-amine Chemical compound C1=C(Cl)C(N)=CC(CNC=2C3=CC(Cl)=CC=C3N=CN=2)=C1 DTXMCBOQAUZVSI-UHFFFAOYSA-N 0.000 description 3
- 150000007530 organic bases Chemical class 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
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- PNCLBHUZASXUPE-ZROIWOOFSA-N ethyl (z)-3-[4-(1,3-benzodioxol-5-ylmethylamino)-6,7,8-trimethoxyquinazolin-2-yl]-2-methylprop-2-enoate Chemical compound C1=C(OC)C(OC)=C(OC)C2=NC(\C=C(\C)C(=O)OCC)=NC(NCC=3C=C4OCOC4=CC=3)=C21 PNCLBHUZASXUPE-ZROIWOOFSA-N 0.000 description 1
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- LVBNREUXCUFLMN-LCYFTJDESA-N ethyl (z)-3-[6-chloro-4-[(3-chloro-4-methoxyphenyl)methylamino]quinazolin-2-yl]-2-methylprop-2-enoate Chemical compound C=12C=C(Cl)C=CC2=NC(\C=C(\C)C(=O)OCC)=NC=1NCC1=CC=C(OC)C(Cl)=C1 LVBNREUXCUFLMN-LCYFTJDESA-N 0.000 description 1
- RZKUXHXAONYJSC-UHFFFAOYSA-N ethyl 1-(2,6-dichloroquinazolin-4-yl)piperidine-4-carboxylate Chemical compound C1CC(C(=O)OCC)CCN1C1=NC(Cl)=NC2=CC=C(Cl)C=C12 RZKUXHXAONYJSC-UHFFFAOYSA-N 0.000 description 1
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- CQUANLZADFUSFR-UHFFFAOYSA-N ethyl 1-[4-(1,3-benzodioxol-5-ylmethylamino)-6-chloroquinazolin-2-yl]piperidine-4-carboxylate;hydrochloride Chemical compound Cl.C1CC(C(=O)OCC)CCN1C1=NC(NCC=2C=C3OCOC3=CC=2)=C(C=C(Cl)C=C2)C2=N1 CQUANLZADFUSFR-UHFFFAOYSA-N 0.000 description 1
- CRCVCOFRCCMMMT-UHFFFAOYSA-N ethyl 1-[4-(1,3-benzodioxol-5-ylmethylamino)-6-cyanoquinazolin-2-yl]piperidine-4-carboxylate Chemical compound C1CC(C(=O)OCC)CCN1C1=NC(NCC=2C=C3OCOC3=CC=2)=C(C=C(C=C2)C#N)C2=N1 CRCVCOFRCCMMMT-UHFFFAOYSA-N 0.000 description 1
- YLWGATARDJPMPQ-UHFFFAOYSA-N ethyl 1-[4-[(3-chloro-4-methoxyphenyl)methylamino]-6-cyanoquinazolin-2-yl]piperidine-4-carboxylate Chemical compound C1CC(C(=O)OCC)CCN1C1=NC(NCC=2C=C(Cl)C(OC)=CC=2)=C(C=C(C=C2)C#N)C2=N1 YLWGATARDJPMPQ-UHFFFAOYSA-N 0.000 description 1
- IIJMHCOZKBKWFP-UHFFFAOYSA-N ethyl 1-[4-[(3-chloro-4-methoxyphenyl)methylamino]-6-cyanoquinolin-2-yl]piperidine-4-carboxylate Chemical compound C1CC(C(=O)OCC)CCN1C1=CC(NCC=2C=C(Cl)C(OC)=CC=2)=C(C=C(C=C2)C#N)C2=N1 IIJMHCOZKBKWFP-UHFFFAOYSA-N 0.000 description 1
- FWVCOWRGUHGELQ-UHFFFAOYSA-N ethyl 1-[6-chloro-4-[(3-chloro-4-methoxyphenyl)methylamino]quinazolin-2-yl]piperidine-4-carboxylate;hydrochloride Chemical compound Cl.C1CC(C(=O)OCC)CCN1C1=NC(NCC=2C=C(Cl)C(OC)=CC=2)=C(C=C(Cl)C=C2)C2=N1 FWVCOWRGUHGELQ-UHFFFAOYSA-N 0.000 description 1
- MBFQECCUHHPJSB-UHFFFAOYSA-N ethyl 1-[8-(1,3-benzodioxol-5-ylmethylamino)-7h-pyrido[2,3-d]pyrimidin-2-yl]piperidine-4-carboxylate Chemical compound C1CC(C(=O)OCC)CCN1C1=NC=C(C=CCN2NCC=3C=C4OCOC4=CC=3)C2=N1 MBFQECCUHHPJSB-UHFFFAOYSA-N 0.000 description 1
- SPCSNQQLPOGZNI-UHFFFAOYSA-N ethyl 2-[1,3-benzodioxol-5-ylmethyl-(6,7,8-trimethoxyquinazolin-4-yl)amino]acetate Chemical compound COC1=C(OC)C=C2C(N(CC=3C=C4OCOC4=CC=3)CC(=O)OCC)=NC=NC2=C1OC SPCSNQQLPOGZNI-UHFFFAOYSA-N 0.000 description 1
- ZIWCPHAMCLPQJO-UHFFFAOYSA-N ethyl 2-[4-(1,3-benzodioxol-5-ylmethylamino)-6-chloroquinazolin-2-yl]acetate Chemical compound C1=C(Cl)C=CC2=NC(CC(=O)OCC)=NC(NCC=3C=C4OCOC4=CC=3)=C21 ZIWCPHAMCLPQJO-UHFFFAOYSA-N 0.000 description 1
- SRKZWZDQSCCBOH-UHFFFAOYSA-N ethyl 2-[[4-(1,3-benzodioxol-5-ylmethylamino)-6-chloroquinazolin-2-yl]amino]acetate Chemical compound C1=C(Cl)C=CC2=NC(NCC(=O)OCC)=NC(NCC=3C=C4OCOC4=CC=3)=C21 SRKZWZDQSCCBOH-UHFFFAOYSA-N 0.000 description 1
- UHFDCPSITNTMNG-UHFFFAOYSA-N ethyl 2-[[4-(1,3-benzodioxol-5-ylmethylamino)-6-chloroquinazolin-2-yl]methylideneamino]oxyacetate Chemical compound C1=C(Cl)C=CC2=NC(C=NOCC(=O)OCC)=NC(NCC=3C=C4OCOC4=CC=3)=C21 UHFDCPSITNTMNG-UHFFFAOYSA-N 0.000 description 1
- UYXIZEDSFPTGSZ-UHFFFAOYSA-N ethyl 2-[[4-(1,3-benzodioxol-5-ylmethylamino)-6-cyanoquinazolin-2-yl]-methylamino]acetate Chemical compound C1=C(C#N)C=CC2=NC(N(C)CC(=O)OCC)=NC(NCC=3C=C4OCOC4=CC=3)=C21 UYXIZEDSFPTGSZ-UHFFFAOYSA-N 0.000 description 1
- XGRZUNJGVLUHEU-UHFFFAOYSA-N ethyl 2-amino-2-(1,3-benzodioxol-5-yl)acetate Chemical compound CCOC(=O)C(N)C1=CC=C2OCOC2=C1 XGRZUNJGVLUHEU-UHFFFAOYSA-N 0.000 description 1
- BVSRWCMAJISCTD-UHFFFAOYSA-N ethyl 2-diethoxyphosphorylpropanoate Chemical compound CCOC(=O)C(C)P(=O)(OCC)OCC BVSRWCMAJISCTD-UHFFFAOYSA-N 0.000 description 1
- CHHSMBZGDWEKEN-UHFFFAOYSA-N ethyl 4-(1,3-benzodioxol-5-ylmethylamino)-6,7,8-trimethoxyquinazoline-2-carboxylate Chemical compound C1=C(OC)C(OC)=C(OC)C2=NC(C(=O)OCC)=NC(NCC=3C=C4OCOC4=CC=3)=C21 CHHSMBZGDWEKEN-UHFFFAOYSA-N 0.000 description 1
- MQMLSCZNCLYVPY-UHFFFAOYSA-N ethyl 4-(1,3-benzodioxol-5-ylmethylamino)quinazoline-6-carboxylate Chemical compound C1=C2OCOC2=CC(CNC2=NC=NC3=CC=C(C=C32)C(=O)OCC)=C1 MQMLSCZNCLYVPY-UHFFFAOYSA-N 0.000 description 1
- MWHJMEMDVDORCG-UHFFFAOYSA-N ethyl 4-(3h-benzimidazol-5-ylmethylamino)-6-methoxyquinazoline-2-carboxylate Chemical compound C1=C(OC)C=CC2=NC(C(=O)OCC)=NC(NCC=3C=C4NC=NC4=CC=3)=C21 MWHJMEMDVDORCG-UHFFFAOYSA-N 0.000 description 1
- HZJHOZBBFXATJO-UHFFFAOYSA-N ethyl 4-(6-chloro-4-oxo-1h-quinazolin-2-yl)cyclohexane-1-carboxylate Chemical compound C1CC(C(=O)OCC)CCC1C1=NC2=CC=C(Cl)C=C2C(=O)N1 HZJHOZBBFXATJO-UHFFFAOYSA-N 0.000 description 1
- AHPXWRAQQCDQPT-UHFFFAOYSA-N ethyl 4-(methylamino)butanoate;hydrochloride Chemical compound Cl.CCOC(=O)CCCNC AHPXWRAQQCDQPT-UHFFFAOYSA-N 0.000 description 1
- HMZMFIBMRVPFBZ-UHFFFAOYSA-N ethyl 4-[(2-carbamoyl-4-chlorophenyl)carbamoyl]cyclohexane-1-carboxylate Chemical compound C1CC(C(=O)OCC)CCC1C(=O)NC1=CC=C(Cl)C=C1C(N)=O HMZMFIBMRVPFBZ-UHFFFAOYSA-N 0.000 description 1
- OKKIAGNLOOGEOC-UHFFFAOYSA-N ethyl 4-[(3-chloro-4-methoxyphenyl)methylamino]-6-methoxyquinazoline-2-carboxylate Chemical compound C=12C=C(OC)C=CC2=NC(C(=O)OCC)=NC=1NCC1=CC=C(OC)C(Cl)=C1 OKKIAGNLOOGEOC-UHFFFAOYSA-N 0.000 description 1
- BXISDCZNCPYXJK-UHFFFAOYSA-N ethyl 4-[4-(1,3-benzodioxol-5-ylmethylamino)-6-cyanoquinazolin-2-yl]oxybut-2-enoate Chemical compound C1=C(C#N)C=CC2=NC(OCC=CC(=O)OCC)=NC(NCC=3C=C4OCOC4=CC=3)=C21 BXISDCZNCPYXJK-UHFFFAOYSA-N 0.000 description 1
- AUQNSFLQEZJIPL-UHFFFAOYSA-N ethyl 4-[[4-(1,3-benzodioxol-5-ylmethylamino)-6-chloroquinazolin-2-yl]-methylamino]butanoate;hydrochloride Chemical compound Cl.C1=C(Cl)C=CC2=NC(N(C)CCCC(=O)OCC)=NC(NCC=3C=C4OCOC4=CC=3)=C21 AUQNSFLQEZJIPL-UHFFFAOYSA-N 0.000 description 1
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- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
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- XGVXKJKTISMIOW-ZDUSSCGKSA-N simurosertib Chemical compound N1N=CC(C=2SC=3C(=O)NC(=NC=3C=2)[C@H]2N3CCC(CC3)C2)=C1C XGVXKJKTISMIOW-ZDUSSCGKSA-N 0.000 description 1
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- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
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- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- GWLWWNLFFNJPDP-UHFFFAOYSA-M sodium;2-aminoethanesulfonate Chemical compound [Na+].NCCS([O-])(=O)=O GWLWWNLFFNJPDP-UHFFFAOYSA-M 0.000 description 1
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- 125000001544 thienyl group Chemical group 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 125000005425 toluyl group Chemical group 0.000 description 1
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 235000013337 tricalcium citrate Nutrition 0.000 description 1
- IIHPVYJPDKJYOU-UHFFFAOYSA-N triphenylcarbethoxymethylenephosphorane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=CC(=O)OCC)C1=CC=CC=C1 IIHPVYJPDKJYOU-UHFFFAOYSA-N 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/06—Antiasthmatics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
-
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Abstract
本发明公开了式(I)所示含氮杂环化合物的制
备方法,该化合物及其药用盐用于治疗局部缺血心脏
病,式中所示取代基含义详见说明书。
Description
本发明涉及具有优异药物活性的含氮杂环化合物。
心绞痛是一种常常危害老年人的局部缺血心脏病。尽管有用硝酸化合物和亚硝酸化合物,钙拮抗药和β-阻滞剂作为治疗上述疾病的药物,但上述治疗药物对心绞痛的治疗效果远远不足,或不足以阻止所述疾病发展成冠状动脉梗塞。近来,患有心绞痛的患者年龄下降,并且由于生活方式的改变,社会压力逐渐增加等,该疾病的症状也变得复杂起来。因此急需一种新的活性更优异的药物。
环状GMT(以下简称cGMT)是一种环状核苷酸,作为一种细胞内第二信使参与上述药物中的硝酸和亚硝酸化合物的作用。cGMT对脉管和支气管中的平滑肌的作用是已知的。尽管上述药物的作用机理还不清楚,但一般认为,所述药物活化了乌苷酸环化酶,从而加速了cGMT的合成。但是,上述药物的生物可利用性低而且作用时间比较短。此外据报导还可产生药物抵抗作用,这在临床中是一缺陷。
在这种情况下,本发明人开始研究一种新的具有优异活性的药物。
多年来,本发明人着力研究具有活性的cGMT-磷酸二酯酶(以下简称“cGMT-PDE”)。研究结果发现,下述含氮杂环化合物对各种局部缺血心脏病具有有效活性,从而完成了本发明。
日本专利公开502462(1990)公开了一种作为药物的喹唑啉衍生物,但其在结构和活性方面与本发明化合物不同。
本发明提供了一种式(1)所示的含氮杂环化合物或其药用盐:
其中环A为苯、吡啶或环己烷环,环B为吡啶、嘧啶或咪唑环,条件是:环A和环B共用两个原子,它们可以是碳或氮原子,而且若环A为吡啶环,除非环B与所述吡啶环共用一个氮原子,则在所有情况下环A代表下式所示环:
式中R1,R2,R3和R4可相同或不同,分别代表氢,卤素,可被卤素取代的低级烷基,可被取代的环烷基,低级烷氧基,羟烷基,硝基,氰基或酰氨基,可被保护的羧基,下式所示的一个基团:
(式中R7代表低级烷基,n为0或1-2的整数),或下式所示基团:
(其中R45和R46可相同或不同,分别代表氢,低级烷基,或者R45和R46与连结它们的氮原子一起形成一个环,该环可含有另一氮原子或氧原子并可被取代),或R1,R2,R3和R4中的其中两个一同形成一亚甲二氧基,亚乙二氧基或苯环;
R5代表氢或卤素,羟基,肼基或低级烷基,可被取代的环烷基,低级烷基或低级烯基,可被保护的羧烷基或羧烯基,羟烷基,可被保护的羧基,下式所示基团
(其中R8代表低级烷基,m为0或1-2的整数),下式所示基团:-O-R9(其中R9代表可被保护的羟烷基或羧烷基或可被取代的苄基),下式所示基团:
(其中R23代表羟基,低级烷基,低级烷氧基,羟烷基或羟烷氧基),可被取代的杂芳基,1,3-苯并二噁基(1,3-benzdioxolyl)1,4-苯并二氧基,1,3-苯并二噁烷基或1,4-苯并二氧烷基,下式代表的基团:-C(R24)=X〔其中X代表氧或式=N-R10所示基团(其中R10代表羟基或氰基或被保护的羧烷氧基);R24代表氢或低级烷基〕或下式所示基团:-NR11R12(其中R11和R12可相同或不同,分别代表氢,低级烷基,羟烷基或可被保护的氨烷基,羧烷基,可被保护的烷基氨基甲酰基,羧烷基氨基甲酰基,可被取代的杂芳烷基或1,3-苯并噁基烷基或1,4-苯甲羧基烷基,或者R11和R12与它们相连结的氮原子一起形成一个环,该环可含另一氮原子或氧原子并可被取代);
R6代表氢或卤素,羟基,氨基,低级烷基,低级烷氧基,低级链烯基,1,3-苯并二噁烷氧基或1,4-苯并二氧烷氧基,可被取代的苯基烷氧基,下式所示基团:
(其中R13和R14可相同或不同,分别代表氢或低级烷基或低级烷氧基,或者R13和R14共同形成亚甲二氧基或亚乙二氧基),下式代表的一个基团:
(其中R15和R16可相同或不同,分别代表氢或低级烷基或低级烷氧基,或者R15和R16共同形成一亚甲二氧基或亚乙二氧基),哌啶-4-螺-2′-二噁烷-1-基,下式所示基团:
其中R48和R49可相同或不同,分别代表氢或低级烷基或低级烷基,或者R48和R49共同形成一亚甲二氧基或亚乙二氧基,Z代表硫或氧原子),下式所示基团:
(其中R50代表羟基,卤素,低级烷基或低级烷氧基,可被保护的羧基或氰基,羟烷基或羧烷基),下式所示基团:
〔其中R17代表氢,低级烷基,丙烯酰基或低级烷氧烷基,可被保护的羧烷基或羟烷基;Y代表-(CH2)q-(其中q为0或1-8的整数)或代表
,条件是,当q为1-8的整数时,每个碳原子有一个或多个取代基;R18代表氢,羟基,可被保护的羧基,氰基或酰基或杂芳基或可被取代的环烷基〕,或下式所示的基团:
(其中R19代表氢,低级烷基,低级烷氧烷基或酰基,可被保护的羧烷基或羟烷基;R20,R21和R22可相同或不同,分别代表氢或卤素,羟基,氨基,硝基,低级烷基,低级烷氧基,低级烷氧烷基,低级链烯基,酰基,酰氨基,烷基磺酰氨基,羟亚氨烷基,烷氧羰基氨基或烷氧羰氧基或可被取代的杂芳基,或者R20,R21和R22中两者共同形成一个含有氮、硫或氧原子的饱和或不饱和环;r为0或1-8的整数)。
式(1)所示含氮杂环化合物或其药用盐包括式(Ⅰ)所示喹唑啉衍生物或其药用盐:
式中R1,R2,R3和R4可相同或不同,分别代表氢或卤素,低级烷基,低级烷氧基,羟烷基,氰基或酰氨基,可被保护的羧基,下式所示基团:
(其中R7代表低级烷基;n为0或1-2的整数),或者R1,R2,R3和R4中的两者共同形成一亚甲二氧基,亚乙二氧基或苯基;
R5代表氢或卤素,羟基,肼基,低级烷基,低级烷氧基或低级链烯基,可被保护的羧烷基或羧链烯基,羟烷基,可被保护的羧基,下式所示基团:
(其中R8代表低级烷基,m为0或1-2的整数),式-O-R9所示基团(其中R9代表可被保护的羟烷基或羧烷基或苄基),下式所示基团:
(其中R23代表羟基,低级烷基,低级烷氧基,羟烷基或羟烷氧基),杂芳基,可被取代的1,3-苯并二噁基,1,4-苯并二氧基,1,3-苯并二噁烷基或1,4-苯并二氧烷基,式-C(R24)=X所示基团〔其中X代表氧或式=N-R10所示基团(其中R10代表羟基或可被保护的羧烷氧基);R24代表氢或低级烷基〕,或式-NR11R12基团(其中R11和R12可相同或不同,分别代表氢,低级烷基,羟烷基或氨烷基,可被保护的羧烷基,或烷基氨基甲酰基,1,3-苯并噁烷基或1,4-苯并二氧烷基,或者R11和R12与连结它们的氮原子共同形成可含另一氮原子或氧原子的环,并可被取代);
R6代表氢或卤素,羟基,氨基,低级烷基,低级烷氧基,1,3-苯并二噁烷氧基或1,4-苯并二氧烷氧基,可被取代的苯基烷氧基,下式所示基团:
(其中R13和R14可相同或不同,分别代表氢或低级烷基或低级烷氧基,或者R13和R14共同形成一亚甲二氧基或亚乙二氧基),下式所示基团:
(其中R15和R16分别代表氢或低级烷基或低级烷氧基,或R15和R16共同形成一亚甲二氧基或亚乙二氧基),哌啶-4-螺-2′-二噁烷-1-基,下式所示基团:
〔其中R17代表氢,低级烷基,酰基或低级烷氧烷基,可被保护的羧烷基或羟烷基;Y代表式-(CH2)q-所示基团(其中q为0或1-8的整数)或式
所示基团,条件是当q为1-8的整数时,每个碳原子可有一个或两个取代基;R18代表氢,羟基,可被保护的羧基,氰基或酰基,可被取代的杂芳基或下式所示基团〕:
或者下式所示基团:
(其中R19代表氢,低级烷基,低级烷氧烷基,或酰基,可被保护的羧烷基或羟烷基;R20,R21和R22可相同或不同,分别代表氢或卤素,羟基,氨基,硝基,低级烷基,低级烷氧基,低级烷氧烷基,低级链烯基,酰基,酰氨基,烷磺酰氨基,羟亚氨烷基,烷氧羰氨基或烷氧羰氧基或可被取代的杂芳基,或者R20,R21和R22中两者共同形成可含氮、硫或氧原子的饱和或不饱和环;r为0或1-8的整数)。
本发明还提供一种磷酸二酯酶抑制作用有效的尤其是c-GMP磷酸二酯酶有效的预防或治疗剂,其中含有上述含氮杂环化合物或其盐作为活性组分。
所述疾病为局部缺血心脏病,具体为心绞痛,高血压,心衰竭和气喘病。
此外,本发明还提供一种药物组合物,其中包括上述含氮杂环化合物和/或药用盐以及药用载体。
本发明还提供含氮杂环化合物或其药用盐在制备治疗对磷酸二酯酶抑制作用有效的疾病的药剂中的用途,以及治疗所述疾病的方法,包括对患者施用有效量的含氮杂环化合物和/或其药用盐。
在本发明式(1)化合物的R1,R2,R3,R4,R5,R6,R7,R8,R11,R12,R13,R14,R15,R16,R17,R19,R20,R21,R22,R23,R24,R45,R46,R48,R49和R50定义中的低级烷基为含1-8碳原子的直链或支链烷基,例如甲基,乙基,丙基,异丙基,丁基,异丁基,仲丁基,叔丁基,戊基,新戊基,叔戊基,2-甲基丁基,3-甲基丁基,1,2-二甲基丙基,己基,异己基,1-甲基戊基,2-甲基戊基,3-甲基戊基,2,2-二甲基丁基,2,3-二甲基丁基,3,3-二甲基丁基,2-乙基丁基,1,1,2-三甲基丙基,1,2,2-三甲基丙基,1-乙基-1-甲基丙基,1-乙基-2-甲基丙基,庚基和辛基。在上述基团中,优选甲基,乙基,丙基和异丙基,尤其优选甲基和乙基。
在上述低级烷基中,端位的碳原子可被磺酸基(-SO3H)或式-ONO2基取代。此外,该磺酸基可形成盐如式-SO3Na和-SO3K。
在R1,R2,R3和R4定义中所述的“可被卤素取代的低级烷基”是指其中一个或多个氢原子被卤素取代的上述低级烷基。
R1,R2,R3,R4,R5,R6,R13,R14,R15,R16,R20,R21,R22,R23,R48,R49和R50中定义的低级烷氧基为含有1-8碳原子的直链或支链烷氧基,例如甲氧基,乙氧基,正丙氧基,异丙氧基,正丁氧基,异丁氧基,仲丁氧基,叔丁氧基,2-甲基丁氧基,2,3-二甲基丁氧基和己氧基,其中以甲氧基和乙氧基为佳。
R5,R6,R20,R21和R22定义中的低级链烯基是指从上述低级烷基衍生的链烯基,例如乙烯基、丙烯基,丁烯基和异丁烯基。
R1,R2,R3,R4,R5,R11,R12,R17,R19,R23和R50定义中的羟烷基是指从上述低级烷基衍生出的基团。
R9定义中所述的“可被保护的羟烷基”是指羟基被硝基,上述低级烷基如甲基或乙基,酰基如乙酰基,丙酰基,丁酰基,新戊酰基或烟酰基,或其他具有cGMT PDE抑制活性的基团保护的羟烷基。如此被保护的含氮杂环化合物在体内除去保护基后,作为药物显示出活性。
R17,R18,R19,R20,R21和R22定义中的酰基是指从脂族,芳族或杂环基衍生的酰基,例如低级烷酰基如甲酰基,乙酰基,丙酰基,丁酰基,戊酰基,异戊酰基和新戊酰基;芳酰基如苯甲酰基,甲苯酰基和萘甲酰基;和杂芳酰基如糠酰基,烟酰基和异烟酰基,其中以甲酰基,乙酰基和苯甲酰为佳。
R1,R2,R3,R4,R5,R18和R50定义中的羧基保护基包括低级烷基如甲基,乙基和叔丁基;被取代苯基取代的低级烷基如对-甲氧基苄基,对-硝基苄基,3,4-二甲氧苄基,二苯基甲基,三苯甲基,苯乙基;卤代低级烷基如2,2,2-三氯乙基,和2-碘乙基;低级烷酰氧低级烷基如新戊酰氧甲基,乙酰氧甲基,丙酰氧甲基,丁酰氧甲基,戊酰氧甲基,1-乙酰氧乙基,2-乙酰氧乙基,1-新戊酰氧乙基和2-新戊酰氧乙基;高级烷酰氧低级烷基如棕榈酰氧乙基,十七烷酰氧甲基和1-棕榈酰氧乙基;低级烷氧羰氧基低级烷基如甲氧羰氧甲基,1-丁氧羰氧乙基和1-(异丙氧羰氧)乙基;羧基低级烷基如羧甲基和2-羧乙基;杂环基如3-苯并呋喃酮基,可被取代的苯甲酰氧低级烷基如4-甘氨酰氧苯甲酰氧甲基和4-〔N-(叔丁氧羰基)甘氨酰氧〕苯甲酰氧甲基;(取代二氧环戊烯)低级烷基如(5-甲基-2-氧-1,3-二氧环戊烯-4-基)甲基;环烷基取代的低级烷酰氧基低级烷基如1-环己基乙酰氧乙基和环烷氧羰氧低级烷基如1-环己氧基羰氧乙基。
此外,被护羧基还包括各种酸酰胺基团,亦即,被护羧基可以是能在体内脱出保护基得到羧基的任何被护羧基。具有这种被护羧基的式(1)化合物在体内脱除保护基,显示出药物活性。
R1,R2,R3,R4,R5和R18定义中的“可被取代的环烷基”是指含3-8个碳原子的优选含3-6个碳原子的被取代环烷基。
R5,R18,R20,R21和R22定义中的“可被取代的杂芳基”是指含有一或两个氧,氮和/或硫原子作为杂原子的5-至7-员单环或稠环,例如呋喃基,吡啶基,噻吩基,嘧唑基,喹唑啉基和苯并嘧唑基等。
R11和R12定义中“可被取代的杂芳烷基”中的杂芳基是指上述任何杂芳基。此外,其中的烷基是指上述任何低级烷基。
正如在R11和R12,R45和R46,R11(45)和R12(46)定义中所述,两个基团与连结它们的氮原子可共同形成含有另一氮原子或氧原子的环,例如哌啶子基,哌嗪基和吗啉代基,此外,可取代所述环的取代基包括羟基,卤素如氯,氟,溴和碘原子;低级烷基如甲基,乙基和叔丁基;低级烷氧基如甲氧基,乙氧基和叔丁氧基;氰基;可被保护的羧基;羟烷基;和羧烷基。该环可被上述的一个或两个取代基取代。
R5,R18,R20,R21和R22定义中的“可被取代的杂芳基”,R6定义中的“可被取代的苯烷氧基”,R5定义中的“可被取代的“1,3-苯并二噁基,1,4-苯并二氧基,1,3-苯并二噁烷基或1,4-苯并二氧烷基”,R9定义中的“可被取代的苄基”,以及R11和R12定义中的“可被取代的杂芳烷基”,其中所述取代基包括:羟基,硝基,卤素如氟、氯、溴、碘,低级烷基如甲基、乙基和叔丁基;低级烷氧基如甲氧基、乙氧基和叔丁氧基,可被保护的羧基、羟烷基和羧烷基。
Y定义中的“-(CH2)q-所示基团,其中当q为1-8的整数时,每个碳原子可具有1个或两个取代基”,其中所述取代基与上述基团相同。
R1,R2,R3,R4,R20,R21和R22定义中的酰氨基是指一或两个酰基键连在氮原子上的氨基,即一酰氨基或二酰氨基,尤以一酰氨基为佳。
R1,R2,R3,R4,R5,R6,R20,R21,R22和R50定义中的卤素包括氟、氯、溴和碘原子。
R5,R9,R10,R11,R12,R17和R19定义中的“可被保护的羧烷基”是指其中的羧基被上述羧基保护基团所保护。此外,羧烷基也可以是在其中低级烷基的碳原子上键连一个或两个羧基。
R5定义中的“可被保护的羧烯基”是指其中的羧基被上述羧基保护基保护的羧烯基。此外,也指其中烯基碳原子上具有一个或两个羧基低级烯基。
R17,R19,R20,R21和R22定义中的低级烷氧烷基是指从上述低级烷基衍生出的烷氧烷基,例如甲氧甲基,甲氧乙基,甲氧丁基和乙氧乙基。
R11和R12定义中的氨烷基是指在烷基任何一个碳原子上连结有氨基的低级烷基。
R11和R12定义中的“烷基氨基甲酰基”从上述低级烷基中衍生。
R11和R12定义中的“可被保护的羧烷基氨基甲酰基”是指具有羧基的上述烷基氨基甲酰基,所述羧基可被保护,并键连在烷基部分。
R20,R21和R22定义中的“烷磺酰氨基”是从上述低级烷基衍生的。
R20,R21和R22定义中的“羟亚氨基烷基”是指在上述低级烷基的任何碳原子上键连羟亚氨基。
R20,R21和R22定义中的“烷氧羰基氨基”是指其中氮原子被烷氧羰基单取代或二取代,所述烷氧羰基从上述低级烷基衍生,优选单(烷氧羰基)氨基。
R20,R21和R22定义中的“烷氧羰氧基”是指从上述低级烷基衍生的烷氧羰基键连在氧原子上。
R23定义中的“羟烷氧基”是从上述羟烷基衍生的。
本发明化合物可分如下各组:包括环A和B的双环骨架化合物;包括三个环或更多环骨架的化合物,亦即环A和B和由在环A上的取代基形成的环。上述环骨架的例子有:
在上述环骨架中,骨架(a),(b),(c)和(e)是优选的,尤以骨架(a)和(b)为最佳。
本发明所述的药用盐包括无机酸盐例如与盐酸,氢溴酸和硫酸形成的盐;有机酸盐如乙酸盐,马来酸盐,酒石酸盐,甲基磺酸盐,苯磺酸盐和甲苯磺酸盐;氨基酸盐如精氨酸盐,天冬氨酸盐和谷氨酸盐。此外,本发明的某些化合物也可形成金属盐如钠,钾,钙或镁盐。本发明药用盐包括这些金属盐。
本发明化合物可以以各种异构体形式存在:包括几何异构体即顺反式异构体和光学异构体如d-和l-异构体,这取决于取代基的种类和结合方式。
以下叙述本发明优选的具体化合物,但本发明化合物不仅限于此。
本发明最优选的具体化合物为式(A)所示化合物和其药用盐:
式中R1,R2,R3,R4,R11,R12,R19,R20,R21,R22和r的定义与式(1)中所述的定义相同。
优选的是R1,R2,R3和R4相同或不同,分别代表氢或卤素或氰基,更优选的是分别代表氢,氰基或氯。
优选的是R1,R2,R3和R4中之一为氰基或氯,其他基团为氢;更优选的是R2为氰基或氯而R1,R3和R4分别为氢。
R11和R12可相同或不同,分别代表氢,低级烷基或可被保护的羧烷基;更优选的是分别代表氢或甲基或3-羧丙基。
此外,最优选的是R11和R12与连结它们的氮原子形成一个可被取代的环,尤其是哌啶环,该环上的取代基优选为低级烷基或低级烷氧基或可被保护的羧基,羟基,卤素或羟烷基或羧烷基,更优选的是可被保护的羧基。
R19优选为氢或低级烷基如甲基或乙基,尤以氢为佳。
r优选为0,1或2,尤以1为佳。
R20,R21和R22优选为氢,低级烷基或低级烷氧基或卤素,或者R20,R21和R22中两者共同形成一亚甲二氧基或亚乙二氧基。
以下叙述制备本发明方法的代表例。
制备方法1
式(Ⅰ)化合物,其中R5为氢或卤素或选自通过碳-碳键直接键连在喹唑啉骨架上的基团,其制备如下:
其中R5a为氢或卤素或者选自如R5定义所述基团,并通过碳-碳键直接键连在喹唑啉骨架上。
亦即,该方法是制备式(Ⅲ)所示喹唑啉衍生物,包括使式(Ⅱ)所示喹唑啉衍生物与氯氧化磷或在五氯化磷存在下加热与氯氧化磷反应。
制备方法2
式(Ⅰ)所示化合物,其中R5为氢或卤素或选自低级烷基,可被取代羧基的基团,或下式所示基团:
(其中R8和m分别如上所述),式-O-R9所示基团(其中R9如上所述)和杂芳基,可被取代的1,3-苯并二噁基,1,4-苯并二噁基,1,3-苯并二噁烷基和1,4-苯并二氧烷基;R6如前所述,但不为氢和卤素和低级烷基。其制备方法如下:
其中R1,R2,R3和R4定义同前;R5b代表氢或卤素或选自如下的基团:低级烷基,可被保护的羧基,下式所示基团:
(其中R8和m同前所述),式-O-R9(其中R9如前所述)所示基团,可被取代的1,3-苯并二噁基,1,4-苯并二氧基,1,3-苯并二噁烷基和1,4-苯并二氧烷基;
R6a如R6所述的基团,但不为氢,卤素和低级烷基;
E代表可离去基团,
该方法是使式(Ⅳ)喹唑啉衍生物与式(Ⅵ)所示化合物进行缩合,制备目标化合物(Ⅴ)。
可离去基团E包括卤素和烷氧基。
该方法可以在碱的存在下进行。
所述碱包括有机碱如三乙胺,吡啶和二异丙基乙胺;无机碱如碳酸钠,碳酸钾,碳酸氢钠,氢氧化钠和氢化钠;醇盐如甲醇钠和叔丁醇钾。
用于上述反应的溶剂可以为对反应呈惰性的任何溶剂,例如乙醇,异丙醇,四氢呋喃,二甲基甲酰胺和二甲亚砜。在某些情况下,上述反应也可在无溶剂下进行。
反应温度优选在-20-300℃。
制备方法3
式Ⅰ化合物,其中R5定义同前,但不为氢和卤素,以及通过碳-碳键直接连结在喹唑啉骨架上的基团;R6定义同前,但不为卤素。其制备方法如下:
式中R1,R2,R3和R4定义同前;R5c定义同R5所述,但不为氢和卤素,以及通过碳-碳键直接连结在喹唑啉骨架上的基团;
R6b定义同R6,但不为氢;
F代表可离去基团。
亦即,该方法是通过使式(Ⅶ)化合物与式(Ⅸ)化合物缩合来制备目标化合物(Ⅷ)。
可离去基团包括卤素,烷硫基等。
该方法可在碱存在下进行。
所述碱包括有机碱如三乙胺,吡啶和二异丙基乙胺;无机碱如碳酸钠,碳酸钾,碳酸氢钠,氢氧化钠和氢化钠;醇盐如甲醇钠和叔丁醇钾。
用于上述反应的溶剂是对反应呈惰性的任何溶剂,包括乙醇,异丙醇,四氢呋喃,二甲基甲酰胺和二甲亚砜。
反应温度优选在0-300℃范围。
制备方法4
式(Ⅰ)所示化合物,其中R5为下式所示基团:
(其中R24为氢或低级烷基),制备方法如下:
式中R1,R2,R3,R4和R6定义同前;R24和R25相同或不同,分别代表氢或低级烷基。
亦即,该方法是使式(Ⅹ)化合物与普通还原剂或亲核试剂,或直接或通过醇(Ⅻ)氧化反应,进行反应来制备式(Ⅺ)目标化合物。
还原剂包括氢化锂铝,硼氢化钠,氢化二异丁基铝等。
亲核试剂包括低级烷基金属如甲基锂和溴化甲基镁等。
用于通过醇(Ⅻ)制备(Ⅺ)化合物的氧化剂,包括重铬酸钾/硫酸,二甲基甲酰胺/草酰氯等。
用于上述反应的溶剂可以是对反应呈惰性的任何溶剂。
反应温度在0-溶剂回流温度范围。
制备方法5
式(Ⅰ)化合物,其中R5代表下式所示基团:
(其中R10和R24定义同前),制备方法如下:
其中R1,R2,R3,R4,R6,R16和R24定义同前。
亦即,该方法是使式(Ⅺ)化合物与羟胺反应来制备式(ⅩⅢ)化合物。
用于反应的溶剂可以是对反应呈惰性的任何溶剂。
反应温度在0℃-溶剂的回流温度范围。
制备方法6
式(Ⅰ)化合物,其中R5代表下式基团:
(其中R24定义同前;R26代表氢或低级烷基;R27代表氢原子,低级烷基或可被保护的羧基或羧烷基),制备方法如下:
其中R1,R2,R3,R4,R6,R24,R26和R27定义同前,Ph代表苯基。
亦即,该方法是通过式(ⅩⅣ)化合物和式(ⅩⅥ)或(ⅩⅦ)化合物的Wittig反应制备式(ⅩⅤ)化合物。
用于反应的溶剂可以是对反应呈惰性的任何溶剂。
反应温度在0℃-溶剂回流温度之间。
制备方法7
式(Ⅰ)所示化合物,其中R5代表下式基团:
(其中R24,R26和R27定义同前),制备方法如下:
式中R1,R2,R3,R4,R6,R24,R26和R27定义同前。
亦即,该方法是通过还原在制备方法6中制备的式(ⅩⅤ)化合物来制备式(ⅩⅧ)化合物。
该还原反应可按普通方法进行,例如使用钯/碳或铂催化剂催化还原。
所用溶剂是对反应呈惰性的任何溶剂。
制备方法8
式(Ⅰ)所示化合物,其中R6代表下式基团:
(式中R19,R20,R21和r定义同前),制备方法如下:
其中R1,R2,R3,R4,R5,R19,R20,R21和r定义同前。
亦即,该方法是使式(ⅩⅨ)化合物还原来制备目标化合物(ⅩⅩ)。
该还原反应可按普通方法进行,例如使用钯/碳或铂催化剂的催化还原反应或使用铁或锡的还原反应。
溶剂可以是对反应呈惰性的任何溶剂。
制备方法9
式(Ⅰ)所示化合物,其中R5代表-O-R9基团(其中R91代表可被保护的羧基),制备方法如下:
式中R1,R2,R3,R4和R6定义同前;m为0或1-2的整数。
亦即,该步骤是通过对式(ⅩⅪ)化合物进行氧化来制备式(ⅩⅫ)化合物。
氧化剂为任何的普通催化剂,包括铬(Ⅵ),二甲基亚砜和草酰氯。
溶剂为对反应呈惰性的任何溶剂。
反应温度在0℃-溶剂回流温度范围。
式中R1,R2,R3,R4,R6和m定义同上;R28,R29和R30相同或不同,分别代表氢或低级烷基。
亦即,该步骤是使式(ⅩⅫ)化合物与Wittig试剂(ⅩⅩⅢ)或(ⅩⅩⅢ)′反应来制备式(ⅩⅩⅣ)化合物。
溶剂为对反应呈惰性的任何溶剂。
反应温度在0℃-溶剂回流温度范围。
式中R1,R2,R3,R4,R6,R29,R30和n定义同前。
亦即,该步骤是式(ⅩⅩⅣ)化合物还原来制备式(ⅩⅩⅤ)目标化合物。
还原反应可按普通方式进行,例如使用铂/碳或铂催化剂的催化还原法。
制备方法10
式(Ⅰ)所示化合物,其中R6代表下式基团:
(式中R19,R20,R21和r定义同前,R31代表酰基,低级烷磺酰基或低级烷氧羰基),制备方法如下:
式中R1,R2,R3,R4,R5,R19,R20,R21,R31和r定义同前。
亦即,该方法是使在制备方法8中制备的式(ⅩⅩ)化合物在碱存在下进行酰化,磺化或烷氧羰基化,来制备式(ⅩⅩⅥ)化合物。
酰化剂可以是普通酰化剂,例如羧酸的活化衍生物如酸氯化物,酸酐和混合酸酐;缩合剂如二环己基碳化二亚胺。
磺化剂可以是普通磺化剂,例如烷基磺酰氯和低级烷基磺酸酐。
烷氧羰化剂可以是普通的烷氧羰化剂,例如低级烷氧羰基氯化物和低级烷基焦碳酸酯。
碱包括有机碱如吡啶和三乙胺;无机碱如碳酸钠,碳酸钾,氢氧化钠和氢化钠。
以下通过实验例来说明本发明效果:
对cGMP-PDE(swine aeorta)的抑制活性:
1.实验方法
按照Thompso等人方法,*测定由swine aeorta制备的cGMP-PDE的酶催活性。在1mM EGTA存在下,使用1μM cGMP作为基质进行测定。将本发明化合物以溶在DMSO的形式分别加到反应系统中,并测定抑制活性。反应系统中的DMSO最终浓度调至4%或更低。
*Thompson,W.J.和Strada,S.J.Cyclic Nucleotide Phosphodiesterase(PDE),在Methods of Enzymatic Analysis,Vol4,P.127-234,1984。cGMP-PDE的制备。
将swine aeorta制成薄片,并加入10倍体积的缓冲剂A(包括Tris/HCl(20ml),乙酸镁(2mM),二硫苏糖醇(1mM),EDTA(5mM),aprotinin(1400 TIU/l),leupeptin(10mg/l),benzamidine和PMSF(0.2mM)PH为7.51〕。将所得混合物均匀化并离心100000xg1小时。所得上清液通过DEAE-Toyopearl 650S(Tosoh,Tokyo,Japan)柱。用缓冲剂B冲洗所得柱〔缓冲剂B包括Tris/HCl(50ml),EGTA(0.1mM),乙酸镁(2mM),二硫苏糖醇(1mM)PMSF(0.2mM),PH为7.5〕,用0.05-0.4M NaCl进行梯度洗脱,获得CaM独立cGMP-PDE馏分。
本发明化合物上述实验结果列于表1-6。
从上述结果可以看出,本发明化合物对cGMP-PDE具有抑制活性。因此,本发明的喹唑啉衍生物对预防和治疗cGMP-PDE抑制作用有效的疾病是有效的。这类疾病包括局部缺血心脏病如心绞痛,心肌梗塞;气喘病如小支气管喘病;高血压和心衰竭。
此外,本发明化合物毒性低,安全性极高,因此很有价值。
本发明化合物作为药物使用时,可以口服给药或胃肠外给药。化合物的剂量取决于症状,年龄,性别,患者体重和敏感性,给药方法,时间和间隔,制剂性能,分散性和种类,以及活性组分的种类、剂量无特别限制。
当本发明化合物口服给药时,成人用剂量每天约1-1000mg,优选约5-500mg,更好为10-100mg,通常每日给药三次。
当本发明化合物通过注射给药时,剂量通常为1-3000μg/Kg,优选约3-1000μg/Kg。
本发明的用于口服的固体制剂的制备如下:将填料,必要时粘合剂,崩解剂,润滑剂,颜色剂和/或矫正剂加到活性组分中,将所得混合物加工成片剂,涂片剂,粒剂,粉剂或胶囊剂。
填料例子有乳糖,玉米淀粉,葡萄糖,山梨糖醇,结晶纤维素和二氧化硅;粘合剂例子有聚乙烯醇,聚乙烯醚,乙基纤维素,甲基纤维素,金合欢,黄蓍胶,明胶,紫胶,羟丙基纤维素,羟丙基甲基纤维素,柠檬酸钙,糊精和果胶;润滑剂的例子有硬脂酸镁,滑石,聚乙烯醇,硅石和硬化植物油;颜色剂例子包括可作为药物添加剂的颜色剂;矫正剂例子有可可粉,薄荷草,芳香粉末,薄荷油,冰片和粉状肉桂皮。当然片剂和粒剂必要时还可以涂上糖,明胶等。
本发明注射剂制备如下:将PH改进剂,缓冲剂,悬浮剂,溶解剂,稳定剂,补剂和/或保存剂加到活性组分中,并将混合物加工成静脉内给药,皮下给药或肌内给药形式的注射剂。必要时,可用普通方法将注射剂冷冻干燥。
悬浮剂的例子包括甲基纤维素,多乙氧基醚,羟乙基纤维素,金合欢,黄蓍胶,羧甲基纤维素,一月桂酸钠和聚乙烯脱水山梨糖醇一月桂酸酯。
溶解剂的例子包括聚氧化乙烯硬化蓖麻油,多乙氧基醚,尼古丁酰胺,聚乙烯脱水山梨糖醇一月桂酸酯,大粒凝胶和蓖麻油脂肪酸乙酯。
以下叙述本发明实施例,应指出本发明并不限于此。在实施例之前,叙述了用于本发明化合物的原料制备。在实施例中,M代表甲基,Et代表乙基,Bzl代表苯基,Ac代表乙酰基。
制备例1
2-乙氧羰基-6-氯喹唑啉-4(3H)-酮
将2.50g(0.0147mol)2-氨基-5-氯苯甲酰胺溶解在15ml吡啶中,在室温搅拌下将2.0ml乙基草酰氯滴入所得溶液中。所得混合物搅拌几小时,减压蒸除溶剂。所得残余本身用于下步反应。
将残余物溶于50ml乙酸中,接着加入5ml乙酸酐。回流加热混合物24小时。减压蒸除溶剂,将乙醇加到所得结晶残余物中。过滤混合物,回收晶体。晶体用乙醇和乙醚洗涤,空气干燥得到2.789标题化合物,为浅黄色晶体。
·m.p.(℃);239-240
·Mass;253(M+H)+
·NMR δ(DMSO-d6);
1.36(3H,t,J=7.2Hz),4.39(2H,q,J=7.2Hz),7.86(1H,d,J=8.8Hz),7.92(1H,dd,J=8.8Hz,2.4Hz),8.11(1H,d,J=2.4Hz),12.85(1H,brs)
实施例1
4-氯-6-氰基喹唑啉
将294-羟基-6-氨基甲酰基喹唑啉,30ml亚硫酰氯和60ml氯氧化磷的混合物回流加热20小时。减压浓缩反应混合物,将所得残余物溶解于100ml乙酸乙酯中。用水(150ml)洗所得溶液,用硫酸镁干燥并减压浓缩。将残余物加入硅胶柱上,并用乙酸乙酯和丙酮洗脱,得到800mg标题化合物。
分子式:C3H4N3Cl(189.5)
产率:40%
·m.p.(℃);>290
·Mass;190(M+1)+
·NMR δ(DMSO-d6);
7.79(1H,d,J=8.8Hz),8.16(1H,dd,J=8.8Hz,2.0Hz),8.26(1H,s),8.49(1H,d,J=2.0Hz)
实施例2
2,4-二氯-6-氰基喹唑啉
将12g2,4-二羟基-6-氨基甲酰基喹唑啉和48.8g五氯化磷悬浮于200ml氯氧化磷和70ml亚硫酰氯的混合物中,所得悬浮液回流加热24小时。减压浓缩反应混合物,用100ml乙酸乙酯和100ml正己烷洗涤结晶残余物,得到6.8g标题化合物。
分子式:C3H3Cl2N3
产率:52%
·m.p.(℃);161-163
·Mass;224(M+1)+
·NMR δ(CDCl3);
7.94(1H,d,J=8.0Hz),8.00(1H,dd,J=8.0Hz,2.0Hz),8.49((1H,d,J=2.0Hz)
实施例3
2-乙氧羰基-4,6-二氯喹唑啉
将制备例1中所得的2.68g(0.0106mol)2-乙氧羰基-6-氯喹唑啉-4(3H)-酮悬浮于40ml氯氧化磷中,回流加热悬浮液1小时,减压蒸除溶剂。残余物溶于乙酸乙酯中,用饱和碳酸氢钠水溶液洗涤所得溶液。回收有机层,无水硫酸镁中干燥,减压蒸除溶剂,得到2.82g标题化合物,为浅色晶体。
产率:98%
·m.p.(℃);129-130
·Mass;271(M+1)+
·NMR δ(CDCl3);
1.50(3H,t,J=7.2Hz),4.60(2H,q,J=7.2Hz),7.99(1H,dd,J=8.8Hz,2.4Hz),8.25(1H,d,J=8.8Hz),8,34(1H,d,J=2.4Hz)
实施例4
4-(3,4-亚甲基二氧苄基)氨基-6,7,8-三甲氧-喹唑啉
21.2g(0.083mol)4-氯-6,7,8-三甲氧-喹唑啉,17.0g(0.112mol)胡椒胺和13.5g(0.127mol)碳酸钠与400ml异丙醇混合。回流加热混合物24小时,减压蒸除溶剂。借助硅胶柱色谱法(乙酸乙酯)纯化残余物,在乙酸乙酯中重结晶,得到21.3g标题化合物,为浅黄色针晶。
分子式:C19H19N3O5
产率:69%
·m.p.(℃);197-198
·Mass;370(M+H)+
·NMR δ(CDCl3);
3.94(3H,s),4.03(3H,s),4.12(3H,s),4.76(2H,d,J=8.0Hz),5.55(1H,brs),5.97(2H,s),6.64(1H,s),6.80(1H,d,J=8.0Hz),6.87(1H,d,J=8.0Hz),6.91(1H,s),8.66(1H,s)
实施例5-48
按实施例4所述的相同方法,制备下列化合物。
实施例5
4-(3,4-亚甲基二氧苯基)氨基-6,7,8-三甲氧基-喹唑啉
分子式:C18H17N3O5
产率:58%
·m.p.(℃);254~255(dec.)
·Mass;356(M+H)+
·NMR δ(CDCl3);
4.02(3H,s),4.05(3H,s),4.13(3H,s),5.99(2H,s),6.83(1H,d,J=7.6Hz),7.02(1H,d,J=7.6Hz),7.32(1H,s),7.33(1H,s),8.49(1H,brs),8.63(1H,s)
实施例6
4-苄氨基-6,7,8-三甲氧喹唑啉
分子式:C18H19N3O3
产率:91%
·m.p.(℃);180~181
·Mass;326(M+H)+
·NMR δ(CDCl3);
3.94(3H,s),4.03(3H,s),4.13(3H,s),4.87(2H,d,J=5.2Hz),5.62(1H,brs),6.65(1H,s),7.4(5H,m),8.67(1H,s)
实施例7
4-(4-甲氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H21N3O4
产率:97%
·m.p.(℃);174~175
·Mass;356(M+H)+
·NMR δ(CDCl3);
3.82(3H,s),3.93(3H,s),4.03(3H,s),4.13(3H,s),4.79(2H,d,J=4.8Hz),5.53(1H,brs),6.63(1H,s),6.92(2H,d,J=8.4Hz),7.35(2H,d,J=8.4Hz),8.67(1H,s)
实施例8
4-(3-甲氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H21N3O4
产率:89%
·m.p.(℃);142~143
·Mass;356(M+H)+
·NMR δ(CDCl3);
3.80(3H,s),3.96(3H,s),4.03(3H,s),4.12(3H,s),4.85(2H,d,J=4.8Hz),5.96(1H,brs),6.76(1H,s),6.86(1H,d,J=8.0Hz),6.99(1H,d,J=8.0Hz),7.02(1H,s),7.29(1H,t,J=8.0Hz),8.65(1H,s)
实施例9
4-(4-硝基苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C18H18N4O5
产率:28%
·m.p.(℃);210~212
·Mass;371(M+H)+
·NMR δ(CDCl3);
3.97(3H,s),4.05(3H,s),4.13(3H,s),5.01(2H,d,J=5.6Hz),5.96(1H,brs),6.76(1H,s),7.54(2H,d,J=8.8Hz),8.17(2H,d,J=8.8Hz),8.62(1H,s)
实施例10
4-(3-硝基苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C18H18N4O5
产率:30%
·m.p.(℃);159~160
·Mass;371(M+H)+
·NMR δ(CDCl3);
3.97(3H,s),4.04(3H,s),4.12(3H,s),4.99(2H,d,J=5.6Hz),6.06(1H,brs),6.79(1H,s),7.51(1H,t,J=8.0Hz),7.76(1H,d,J=8.0Hz),8.12(1H,d,J=8.0Hz),8.22(1H,s),8.63(1H,s)
实施例11
4-(4-氯苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C18H18N3O3Cl
产率:61%
·m.p.(℃);181~182
·Mass;360(M+H)+
·NMR δ(CDCl3);
3.94(3H,s),4.03(3H,s),4.12(3H,s),4.85(2H,d,J=5.6Hz),5.76(1H,brs),6.70(1H,s),7.32(4H,brs),8.64(1H,s)
实施例12
4-(3-氯苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C18H18N3O3Cl
产率:85%
·m.p.(℃);161~162
·Mass;360(M+H)+
·NMR δ(CDCl3);
3.97(3H,s),4.04(3H,s),4.13(3H,s),4.87(2H,d,J=5.2Hz),5.66(1H,brs),6.68(1H,s),7.29(3H,s),7.39(1H,s),8.65(1H,s)
实施例13
4-呋喃氨基-6,7,8-三甲氧喹唑啉
分子式:C16H17N3O4
产率:81%
·m.p.(℃);198~199
·Mass;316(M+H)+
·NMR δ(CDCl3);
3.97(3H,s),4.03(3H,s),4.12(3H,s),4.87(2H,d,J=5.2Hz),5.67(1H,brs),6.37(2H,m),6.68(1H,s),7.42(1H,s),8.67(1H,s)
实施例14
4-(4-吡啶甲基)氨基-6,7,8-三甲氧喹唑啉
分子式:C17H18N4O3
产率:76%
·m.p.(℃);166~168
·Mass;327(M+H)+
·NMR δ(CDCl3);
3.97(3H,s),4.05(3H,s),4.12(3H,s),4.92(2H,d,J=6.0Hz),6.06(1H,brs),6.80(1H,s),7.28(2H,d,J=6.0Hz),8.55(2H,d,J=6.0Hz),8.62(1H,s)
实施例15
4-(4-乙苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C20H23N3O3
产率:88%
·m.p.(℃);195~196
·Mass;354(M+H)+
·NMR δ(CDCl3);
1.25(3H,t,J=7.6Hz),2.67(2H,q,J=7.6Hz),3.94(3H,s),4.03(3H,s),4.13(3H,s),4.83(2H,d,J=4.8Hz),5.56(1H,brs),6.63(1H,s),7.23(2H,d,J=8.0Hz),7.35(2H,d,J=8.0Hz),8.67(1H,s)
实施例16
4-(阴丹-5-基甲基)氨基-6,7,8-三甲氧喹唑啉
分子式:C21H23N3O3
产率:61%
·m.p.(℃);198~199
·Mass;366(M+H)+
·NMR δ(CDCl3);
2.11(2H,quintet,J=7.2Hz),2.93(4H,t,J=7.2Hz),3.94(3H,s),4.04(3H,s),4.14(3H,s),4.83(2H,d,J=4.4Hz),5.55(1H,brs),6.64(1H,s),7.2~7.3(3H,m),8.68(1H,s)
实施例17
4-(4-羧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H19N3O5
产率:86%
·m.p.(℃);227~228(dec.)
·Mass;370(M+H)+
·NMR δ(DMSO-d6);
3.89(3H,s),3.92(3H,s),3.98(3H,s),4.86(2H,d,J=5.6Hz),7.46(2H,d,J=8.0Hz),7.54(1H,s),7.90(2H,d,J=8.0Hz),8.35(1H,s),8.67(1H,brs)
实施例18
4-(3-羟甲基苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H21N3O4
产率:86%
m.p.无定形
·Mass;356(M+H)+
·NMR δ(CDCl3);
3.93(3H,s),4.03(3H,s),4.12(3H,s),4.70(2H,s),4.86(2H,d,J=5.2Hz),5.82(1H,brs),6.72(1H,s),7.3~7.4(4H,m),8.63(1H,s)
实施例19
4-(3,4-二氯苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C18H17N3O3Cl2
产率:85%
·m.p.(℃);205~206
·Mass;394(M+H)+
·NMR δ(CDCl3);
3.97(3H,s),4.04(3H,s),4.12(3H,s),4.84(2H,d,J=5.6Hz),5.88(1H,brs),6.74(1H,s),7.24(1H,d,J=8.4Hz),7.40(1H,d,J=8.4Hz),7.47(1H,s),8.63(1H,s)
实施例20
4-(3-氯-4-甲氧苄基)氨基-6,7,8-三甲氧-喹唑啉
分子式:C19H20N3O4Cl
产率:83%
·m.p.(℃);164~165
·Mass;390(M+H)+
·NMR δ(CDCl3);
3.90(3H,s),3.97(3H,s),4.04(3H,s),4.13(3H,s),4.80(2H,d,J=5.2Hz),5.90(1H,brs),6.75(1H,s),6.91(1H,d,J=8.8Hz),7.30(1H,dd,J=8.8Hz,2.0Hz),7.43(1H,d,J=2.0Hz),8.65(1H,s)
实施例21
4-(3,4-二氟苄基)氨基-6,7,8-三甲氧-喹唑啉
分子式:C18H17N3O3F2
产率:96%
·m.p.(℃);175~177
·Mass;362(M+H)+
·NMR δ(CDCl3);
3.97(3H,s),4.04(3H,s),4.13(3H,s),4.85(2H,d,J=5.2Hz),5.73(1H,brs),6.69(1H,s),7.1~7.3(3H,m),8.64(1H,s)
实施例22
4-(3-氟-4-甲氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H20N3O4F
产率:82%
·m.p.(℃);171~172
·Mass;374(M+H)+
·NMR δ(CDCl3);
3.89(3H,s),3.98(3H,s),4.04(3H,s),4.12(3H,s),4.81(2H,d,J=5.6Hz),6.27(1H,brs),6.86(1H,s),6.94(1H,m),7.14~7.19(2H,m),8.64(1H,s)
实施例23
4-(3,4-二甲氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C20H23N3O5
产率:32%
·m.p.(℃);171~172
·Mass;386(M+H)+
·NMR δ(CDCl3);
3.87(3H,s),3.89(3H,s),3.94(3H,s),4.03(3H,s),4.13(3H,s),4.79(2H,d,J=5.2Hz),5.67(1H,brs),6.69(1H,s),6.86(1H,d,J=8.8Hz),6.96(1H,s),6.98(1H,d,J=8.8Hz),8.67(1H,s)
实施例24
4-(4-羟基-3-甲氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H21N3O5
产率:16%
·m.p.(℃);201~202(dec.)
·Mass;372(M+H)+
·NMR δ(CDCl3);
3.88(3H,s),3.96(3H,s),4.03(3H,s),4.12(3H,s),4.78(2H,d,J=5.2Hz),6.00(1H,brs),6.77(1H,s),6.91(1H,s),6.92(1H,s),6.97(1H,s),8.65(1H,s)
实施例25
4-(3,4-亚乙基二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C20H21N3O5
产率:92%
·yield(%);92
·m.p.(℃);217~219
·Mass;384(M+H)+
·NMR δ(CDCl3);
3.95(3H,s),4.03(3H,s),4.13(3H,s),4.26(4H,s),4.75(2H,d,J=5.2Hz),5.54(1H,brs),6.64(1H,s),6.87(1H,d,J=8.0Hz),6.90(1H,d,J=8.0Hz),6.94(1H,s),8.66(1H,s)
实施例26
4-(3-烯丙基-4-甲氧甲氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C23H27N3O5
产率:49%
·m.p.(℃);120~121
·Mass;426(M+H)+
·NMR δ(CDCl3);
3.41(2H,d,J=6.8Hz),3.48(3H,s),3.94(3H,s),4.03(3H,s),4.12(3H,s),4.77(2H,d,J=5.2Hz),5.06(2H,m),5.21(2H,s),5.78(1H,brs),5.98(1H,m),6.71(1H,s),7.07(1H,d,J=8.4Hz),7.23(1H,s),7.24(1H,d,J=8.4Hz),8.65(1H,s)
实施例27
4-(苯并咪唑-5-基甲基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H19N5O3
产率:52%
·m.p.(℃);235~240(dec.)
·Mass;366(M+H)+
·NMR δ(DMSO-d6);
3.93(3H,s),3.95(3H,s),3.98(3H,s),4.97(2H,d,J=6.0Hz),7.30(1H,dd,J=8.4Hz,1.6Hz),7.57(1H,d,J=8.4Hz),7.63(1H,d,J=1.6Hz),7.83(1H,s),8.31(1H,s),8.36(1H,brs),8.52(1H,s),9.76(1H,brs)
实施例28
4-(4-苄氧基-3-硝基苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C25H24N4O6
产率:81%
·m.p.(℃);181~182
·Mass;477(M+H)+
·NMR δ(CDCl3);
3.98(3H,s),4.03(3H,s),4.10(3H,s),4.85(2H,d,J=5.2Hz),5.21(2H,s),6.54(1H,brs),6.93(1H,s),7.06(1H,d,J=8.4Hz),7.30~7.45(5H,m),7.60(1H,dd,J=8.4Hz,2.4Hz),7.87(1H,d,J=2.4Hz),8.61(1H,s)
实施例29
4-(4-氯-3-硝基苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C18H17N4O5Cl
产率:88%
·m.p.(℃);218~219(dec.)
·Mass;405(M+H)+
·NMR δ(CDCl3);
3.98(3H,s),4.04(3H,s),4.13(3H,s),4.93(2H,d,J=6.0Hz),5.98(1H,brs),6.75(1H,s),7.50(1H,d,J=8.4Hz),7.58(1H,dd,J=8.4Hz,2.0Hz),7.87(1H,d,J=2.0Hz),8.61(1H,s)
实施例30
4-(2-丙氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C21H25N3O4
产率:80%
·m.p.(℃);139~140
·Mass;384(M+H)+
·NMR δ(CDCl3);
1.07(3H,t,J=7.4Hz),1.85(2H,m),3.95(3H,s),4.02(3H,s),4.02(2H,t,J=6.4Hz),4.10(3H,s),4.89(2H,d,J=5.6Hz),6.72(1H,s),6.9(2H,m),7.28(1H,m),7.38(1H,d,J=7.2Hz),8.64(1H,s)
实施例31
4-(2,4,6-三甲氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C21H25N3O6
产率:64%
·m.p.(℃);213~215
·Mass;416(M+H)+
·NMR δ(CDCl3);
3.85(9H,s),3.92(3H,s),4.01(3H,s),4.11(3H,s),4.79(2H,d,J=4.4Hz),5.65(1H,brs),6.20(2H,s),6.60(1H,s),8.68(1H,s)
实施例32
4-(3,4,5-三甲氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C21H25N3O6
产率:60%
·m.p.(℃);153~154
·NMR δ(CDCl3);
3.85(9H,s),3.97(3H,s),4.03(3H,s),4.13(3H,s),4.80(2H,d,J=5.6Hz),6.66(2H,s),6.80(1H,s),8.66(1H,s)
实施例33
4-(2-氯-4,5-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H18N3O5Cl
产率:76%
·m.p.(℃);220~221
·Mass;404(M+H)+
·NMR δ(CDCl3);
3.97(3H,s),4.02(3H,s),4.11(3H,s),4.86(2H,d,J=6.0Hz),5.95(2H,s),6.70(1H,brt,J=6.0Hz),6.86(1H,s),6.95(1H,s),6.98(1H,s),8.61(1H,s)
实施例34
4-(4,5-亚甲二氧基-2-硝基苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H18N4O7
产率:15%
·m.p.(℃);182~183
·Mass;415(M+H)+
·NMR δ(CDCl3);
3.99(3H,s),4.02(3H,s),4.10(3H,s),5.08(2H,d,J=6.4Hz),6.09(2H,s),6.82(2H,s & brs),7.27(1H,s),7.57(1H,s),8.61(1H,s)
实施例35
4-〔2-(4-硝基苯基)乙基〕氨基-6,7,8-三甲氧喹唑啉
分子式:C19H20N4O5
产率:58%
·m.p.(℃);152~153
·Mass;385(M+H)+
·NMR δ(CDCl3);
3.18(2H,t,J=7.2Hz),3.92(3H,s),3.96(3H,m),4.04(3H,s),4.13(3H,s),5.57(1H,brs),6.58(1H,s),7.41(2H,d,J=8.8Hz),8.17(2H,d,J=8.8Hz),8.66(1H,s)
实施例36
4-〔2-(3,4-亚甲二氧苄基)乙基〕氨基-6,7,8-三甲氧喹唑啉
分子式:C20H21N3O5
产率:68%
·m.p.(℃);193~194
·Mass;384(M+H)+
·NMR δ(CDCl3);
2.96(2H,t,J=6.8Hz),3.87(2H,m),3.93(3H,s),4.03(3H,s),4.12(3H,s),5.43(1H,brs),5.95(2H,s),6.52(1H,s),6.71(1H,d,J=8.0Hz),6.77(1H,s),6.78(1H,d,J=8.0Hz),8.65(1H,s)
实施例37
4-〔2-(咪唑-4-基)乙基〕氨基-6,7,8-三甲氨喹唑啉
分子式:C16H19N5O3
产率:77%
·m.p.(℃);164~166(dec.)
·Mass;330(M+H)+
·NMR δ(DMSO-d6);
3.00(2H,t,J=7.2Hz),3.81(2H,m),3.87(3H,s),3.92(3H,s),3.97(3H,s),7.25(1H,s),7.56(1H,s),8.39(1H,s),8.45(1H,s),8.50(1H,brs)
实施例38
4-(α-甲基-3,4-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C20H21N3O5
产率:67%
·m.p.(℃);200~201
·Mass;384(M+H)+
·NMR δ(CDCl);
1.67(2H,d,J=6.8Hz),3.99(3H,s),4.04(3H,s),4.13(3H,s),5.47(1H,brs),5.57(1H,t,J=6.8Hz),5.97(2H,s),6.65(1H,s),6.81(1H,d,J=7.6Hz),6.94(1H,d,J=7.6Hz),6.95(1H,s),8.63(1H,s)
实施例39
4-〔1-甲基-1-(3,4-亚甲二氧苯基)乙基〕氨基-6,7,8-三甲氧喹唑啉
分子式:C21H23N3O5
产率:4%
·m.p.(℃);191~192
·Mass;398(M+H)+
·NMR δ(CDCl3);
1.90(6H,s),4.03(3H,s),4.03(3H,s),4.09(3H,s),5.93(2H,s),6.74(1H,d,J=7.6Hz),6.82(1H,s),6.92(2H,m),8.46(1H,s)
实施例40
4-〔N-乙基-(3,4-亚甲二氧苄基)氨基〕-6,7,8-三甲氧喹唑啉
分子式:C21H23N3O5
产率:73%
·m.p.(℃);100~101
·Mass;398(M+H)+
·NMR δ(CDCl3);
1.37(3H,t,J=7.0Hz),3.56(3H,s),3.67(2H,q,J=7.0Hz),4.03(3H,s),4.11(3H,s),4.79(2H,s),5.98(2H,s),6.85(1H,d,J=7.2Hz),6.93(1H,s),6.93(1H,d,J=7.2Hz),6.97(1H,s),8.69(1H,s)
实施例41
4-〔N-(乙氧羰基甲基)-(3,4-亚甲二氧苄基)氨基〕-6,7,8-三甲氧喹唑啉
分子式:C23H25N3O7
产率:41%
熔点:油状物
·Mass;456(M+H)+
·NMR δ(CDCl3);
1.29(3H,t,J=7.2Hz),3.44(3H,s),4.02(3H,s),4.10(3H,s),4.20(2H,s),4.25(2H,q,J=7.2Hz),4.98(2H,s),6.00(2H,s),6.88(1H,d,J=8.0Hz),6.97(1H,s),7.01(1H,d,J=8.0Hz),8.64(1H,s)
实施例42
4-〔N-(2-甲氧乙基)-(3,4-亚甲二氧苄基)-氨基〕-6,7,8-三甲氧喹唑啉
分子式:C22H25N3O6
产率:21%
·m.p.(℃);87~88
·Mass;428(M+H)+
·NMR δ(CDCl3);
3.36(3H,s),3.58(3H,s),3.80~3.85(4H,m),4.02(3H,s),4.10(3H,s),4.92(2H,s),5.97(2H,s),6.83(1H,d,J=7.6Hz),6.92(1H,d,J=7.6Hz),6.94(1H,s),7.19(1H,s),8.67(1H,s)
实施例43
4-(6,7-二甲氧-1,2,3,4-四氢异喹啉-2-基)-6,7,8-三甲氧喹唑啉
分子式:C22H25N3O5
产率:79%
·m.p.(℃);157~158
·Mass;412(M+H)+
·NMR δ(CDCl3);
3.11(2H,t,J=5.8Hz),3.87(3H,s),3.89(3H,s),3.96(2H,t,J=5.8Hz),3.99(3H,s),4.07(3H,s),4.14(3H,s),4.80(2H,s),6.67(1H,s),6.71(1H,s),7.03(1H,s),8.74(1H,s)
实施例44
4-〔4-(1-羟乙基)苄基〕氨基-6-甲氧喹唑啉
分子式:C18H19N3O2
产率:46%
m.p.无定形
·Mass;310(M+H)+
·NMR δ(CDCl3);
1.47(2H,d,J=6.4Hz),3.91(3H,s),4.87(2H,d,J=5.2Hz),4.84~4.94(1H,m),7.34~7.42(6H,m),7.59(1H,brs),7.79(1H,d,J=8.8Hz),8.52(1H,s)
实施例45
4-(苯并咪唑-5-基甲基)氨基-6-甲氧喹唑啉
分子式:C17H15N5O
产率:18%
·m.p.(℃);254~255
·Mass;306(M+1)+
·NMR δ(DMSO-d6);
3.88(3H,s),4.91(2H,d,J=6.0Hz),7.24(1H,d,J=8.4Hz),7.40(1H,dd,J=9.2Hz,2.8Hz),7.54(1H,d,J=8.4Hz),7.56(1H,s),7.63(1H,d,J=9.2Hz),7.73(1H,d,J=2.8Hz),8.16(1H,s),8.37(1H,s),8.67(1H,t,J=6.0Hz),12.33(1H,brs)
实施例46
4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉
分子式:C17H15N3O5
产率:86%
·m.p.(℃);207~208
·Mass;310(M+H)+
·NMR δ(CDCl3);
3.89(3H,s),4.78(2H,d,J=5.2Hz),5.70(1H,brs),5.97(2H,s),6.80(1H,d,J=7.6Hz),6.9(3H,m),7.40(1H,d,J=9.2Hz),7.80(1H,d,J=9.2Hz),8.63(1H,s)
实施例47
4-〔2-(3,4-亚甲二氧苯基)吡咯烷基〕-6-甲氧基喹唑啉
分子式:C20H19N3O3
产率:85%
m.p.油状物
·Mass;350(M+1)+
·NMR δ(CDCl3);
1.95~2.10(3H,m),2.37(1H,m),3.58(3H,s),4.05~4.20(2H,m),5.58(1H,m),5.93(1H,s),5.94(1H,s),6.78(1H,d,J=8.4Hz),6.84(1H,s),6.85(1H,d,J=8.4Hz),7.30(1H,d,J=10.0Hz),7.35(1H,s),7.74(1H,d,J=10.0Hz),8.53(1H,s)
实施例48
4-(4-甲氧-3-硝基苄基)氨基-6-甲氧喹唑啉
分子式:C17H16N4O4
产率:22%
·m.p.(℃);205~206(dec.)
·Mass;341(M+1)+
·NMR δ(CDCl3);
3.93(3H,s),3.94(3H,s),4.91(2H,d,J=6.0Hz),7.07(1H,dd,J=8.4Hz,1.2Hz),7.21(1H,d,J=1.2Hz),7.39(1H,dd,J=9.2Hz,2.4Hz),7.53(1H,d,J=2.4Hz),7.75(1H,d,J=9.2Hz),7.82(1H,d,J=8.4Hz),8.03(1H,brs),8.51(1H,s)
实施例49
4-(3,4-亚甲二氧苄基)氨基-6-甲硫基喹唑啉
将4.12g(0.0196mol)4-氯-6-甲硫基-喹唑啉,3.70g(0.0245mol)胡椒胺和3.50g(0.0330mol)碳酸钠与100ml异丙醇混合。加热回流所得混合物24小时,减压蒸除溶剂,借助硅胶柱色谱法提纯所得残余物(乙酸乙酯/正己烷),在氯仿/正己烷中重结晶,得到5.32g标题化合物,为浅黄色晶体。
分子式:C17H15O2N3S
产率:83%
·m.p.(℃);174~175
·Mass;326(M+H)+
·NMR δ(CDCl3);
2.59(3H,s),4.79(2H,d,J=5.6Hz),5.93(2H,s),6.77(1H,d,J=8.0Hz),6.89(1H,d,J=8.0Hz),6.94(1H,s),7.62(1H,dd,J=8.8Hz,2.0Hz),7.75(1H,d,J=8.8Hz),7.97(1H,d,J=2.0Hz),8.10(1H,brs),8.56(1H,s)
实施例50-54所述化合物按实施例49所述相同方法制备。
实施例50
4-(3,4-二氯苄基)氨基-6-甲硫基喹唑啉
分子式:C16H13N3SCl2
产率:85%
·m.p.(℃);184~185
·Mass;350(M+H)+
·NMR δ(CDCl3);
2.61(3H,s),4.83(2H,d,J=5.6Hz),7.28(1H,dd,J=8.4Hz,2.0Hz),7.40(1H,d,J=8.4Hz),7.51(1H,d,J=2.0Hz),7.64(1H,dd,J=8.8Hz,2.0Hz),7.76(1H,d,J=8.8Hz),7.97(1H,d,J=2.0Hz),8.19(1H,brs),8.55(1H,s)
实施例51
4-(3-氟-4-甲氧苄基)氨基-6-甲硫基喹唑啉
分子式:C17H16N3OSF
产率:89%
·m.p.(℃);168~169
·Mass;330(M+H)+
·NMR δ(CDCl3);
2.58(3H,s),3.90(3H,s),4.82(2H,d,J=5.6Hz),6.29(1H,brs),6.95(1H,m),7.13~7.18(2H,m),7.54(1H,s),7.63(1H,d,J=8.8Hz),7.79(1H,d,J=8.8Hz),8.64(1H,s)
实施例52
4-(苯并咪唑-5-基甲基)氨基-6-甲硫基喹唑啉
分子式:C17H15N5S
产率:48%
·m.p.(℃);271~275(dec.)
·Mass;322(M+H)+
·NMR δ(DMSO-d6);
2.67(3H,s),5.06(2H,d,J=5.6Hz),7.47(1H,d,J=8.4Hz),7.68(1H,d,J=8.8Hz),7.77(2H,m),7.87(1H,d,J=8.8Hz),8.40(1H,s),8.77(1H,s),8.84(1H,s),10.68(1H,brs)
实施例53
4-〔N-(2-甲氧乙基)-(3,4-亚甲二氧苄基)-氨基〕-甲硫基喹唑啉
分子式:C20H21N3O3S
产率:27%
·m.p.(℃);92~93
·Mass;384(M+H)+
·NMR δ(CDCl3);
2.16(3H,s),3.35(3H,s),3.82(2H,t,J=5.0Hz),3.89(2H,t,J=5.0Hz),5.01(2H,s),5.98(2H,s),6.84(1H,d,J=8.4Hz),6.89(1H,d,J=8.4Hz),6.90(1H,s),7.56(1H,dd,J=8.8Hz,2.0Hz),7.66(1H,d,J=2.0Hz),7.82(1H,d,J=8.8Hz)
实施例54
4-〔N-(2-羟乙基)-(3,4-亚甲二氧苄基)-氨基〕-6-甲硫基喹唑啉
分子式:C19H19N3O3S
产率:21%
·m.p.(℃);146~147(dec.)
·Mass;370(M+H)+
·NMR δ(CDCl3);
2.00(3H,s),3.93(2H,t,J=4.2Hz),4.01(2H,t,J=4.2Hz),5.00(2H,s),6.01(2H,s),6.89(3H,m),7.57(2H,m),7.82(1H,d,J=9.2Hz),8.55(1H,s)
实施例55
4-(4-氯-3-硝基苄基)氨基-6-氯喹唑啉
3.00g(0.015mol)4,6-二氯喹唑啉和3.80g(0.0170mol)4-氯-3-硝基苄基胺盐酸盐溶解于100ml异丙醇和15ml三乙胺的混合物中。回流加热混合物24小时,减压蒸除溶剂。借助硅胶柱色谱法提纯残余物,在氯仿/正己烷中重结晶,得4.85g标题化合物,为浅黄色晶体。
分子式:C15H10N4O2Cl2
产率:92%
·m.p.(℃);199~200
·Mass;349(M+H)+
·NMR δ(CDCl3);
4.85(2H,d,J=6.0Hz),7.49(1H,d,J=8.4Hz),7.61(1H,dd J=8.4Hz,2.0Hz),7.66(1H,dd,J=8.8Hz,2.0Hz),7.76(1H,d,J=8.8Hz),7.96(1H,d,J=2.0Hz),8.20(1H,d,J=2.0Hz),8.23(1H,brt,J=6.0Hz),8.58(1H,s)
实施例56
4-(α-乙氧羰基-3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
30ml2-丙醇,1.07g三乙胺和1.01gα-乙氧羰基-3,4-亚甲二氧苄基胺加到704mg4,6-二氯喹唑啉中,回流加热混合物4小时,接着加水。用氯仿萃取混合物三次。合并氯仿层,硫酸镁干燥,减压蒸除溶剂,残余物重结晶(乙醇/乙酸乙酯/己烷)得到1.167g标题化合物。
分子式:C19H16N3O4Cl
产率:86%
·m.p.(℃);169~170
·Mass m/e;386(M+1)
·NMR δ(CDCl3);
1.28(3H,t,J=7.2Hz),4.27(2H,m),5.85(1H,d,J=6.4Hz),5.98(2H,s),6.70(1H,brs),6.81(1H,d,J=8.8Hz),6.99(2H,m),7.10(1H,dd,J=8.8Hz,2.4Hz),7.83(1H,d,J=2.4Hz),8.85(1H,d,J=8.8Hz),8.63(1H,s)
实施例57-64化合物按实施例56或57相同方法制备。
实施例57
4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C16H12N3O2Cl
产率:76%
·m.p.(℃);199~200
·Mass;314(M+H)+
·NMR δ(CDCl3);
4.76(2H,d,J=5.6Hz),5.82(1H,brs),5.98(2H,s),6.81(1H,d,J=8.0Hz),6.87(1H,d,J=8.0Hz),6.89(1H,s),7.67(1H,s),7.69(1H,d,J=8.0Hz),7.81(1H,d,J=8.0Hz),8.70(1H,s)
实施例58
4-(3,4-二氯苄基)氨基-6-氯喹唑啉
分子式:C15H10N3Cl3
产率:72%
·m.p.(℃);215~216
·Mass;338(M+H)+
·NMR δ(CDCl3);
4.85(2H,d,J=5.6Hz),5.94(1H,brs),7.24(1H,d,J=8.4Hz),7.43(1H,d,J=8.4Hz),7.70(1H,d,J=9.2Hz),7.72(1H,s),7.83(1H,d,J=9.2Hz),8.68(1H,s)
实施例59
4-(3,4-二甲氧苄基)氨基-6-氯喹唑啉
分子式:C17H16N3O2Cl
产率:73%
·m.p.(℃);174~175
·Mass;330(M+H)+
·NMR δ(CDCl3);
3.87(6H,s),4.78(2H,d,J=5.2Hz),6.85(1H,d,J=8.0Hz),6.96(1H,d,J=8.0Hz),6.98(1H,s),7.34(1H,brs),7.65(1H,dd,J=9.2Hz,2.0Hz),7.78(1H,d,J=9.2Hz),8.08(1H,d,J=2.0Hz),8.65(1H,s)
实施例60
4-(苯并咪唑-5-基甲基)氨基-6-氯-喹唑啉
分子式:C16H12N5Cl
产率:76%
·m.p.(℃);243~244(dec.)
·Mass;310(M+H)+
·NMR δ(DMSO-d6);
4.89(2H,d,J=5.6Hz),7.27(1H,d,J=8.4Hz)7.55(1H,d,J=8.4Hz),7.59(1H,s),7.72(1H,d,J=8.8Hz),7.80(1H,dd,J=8.8Hz,2.4Hz),8.25(1H,s),8.50(1H,s),8.53(1H,d,J=2.4Hz),9.07(1H,brt,J=5.6Hz)
实施例61
4-(2-甲氧-2,3-二氢苯并呋喃-5-基)甲氨基-6-氯喹唑啉
分子式:C18H16N3O2Cl(341.798)
产率:53%
·m.p.(℃);178~179
·Mass;342(MH)+
·NMR δ(DMSO-d6);
2.88(1H,dd,J=2.0Hz,17.0Hz),3.28~3.34(1H,m),4.68(1H,d,J=5.7Hz),5.68(1H,dd,J=2.0Hz,6.6Hz),6.79(1H,d,J=8.2Hz),7.14(1H,d,J=8.2Hz),7.24(1H,s),7.70(1H,d,J=9.0Hz),7.79(1H,dd,J=2.2Hz,9.0Hz),8.46(1H,d,J=2.2Hz),8.48(1H,s),8.82(1H,t,J=5.7Hz)
实施例62
4-(2-甲基苯并咪唑-5-基甲基)氨基-6-氯喹唑啉
分子式:C17H14N5Cl
产率:17%
·m.p.(℃);273~274(dec.)
·Mass;324(M+H)+
·NMR δ(DMSO-d6);
2.71(3H,s),4.94(2H,d,J=5.6Hz),7.48(1H,d,J=8.4Hz),7.63(1H,d,J=8.4Hz),7.70(1H,s),7.77(1H,d,J=8.8Hz),7.86(1H,dd,J=8.8Hz,2.0Hz),8.58(1H,s),8.65(1H,d,J=2.0Hz),9.65(1H,brs)
实施例63
4-〔1-甲基-1-(3,4-亚甲二氧苯基)乙基〕氨基-6-氯喹唑啉
分子式:C18H16N3O2Cl
产率:32%
·m.p.(℃);175~176
·Mass;342(M+H)+
·NMR δ(CDCl3);
1.92(6H,s),5.95(2H,s),6.14(1H,brs),6.76(1H,d,J=7.6Hz),6.92(1H,d,J=7.6Hz),6.93(1H,s),7.67(1H,dd,J=8.8Hz),7.77(1H,d,J=2.0Hz),7.86(1H,d,J=8.8Hz),8.50(1H,s)
实施例64
4-(3,4-亚甲二氧苄基)氨基-6-乙氧喹唑啉
分子式:C18H17N3O3
产率:44%
·m.p.(℃);190~191
·Mass;324(M+H)+
·NMR δ(CDCl3);
1.46(3H,t,J=6.8Hz),4.10(2H,q,J=6.8Hz),4.77(2H,d,J=5.2Hz),5.68(1H,brs),5.97(2H,s),6.80(1H,d,J=8.0Hz),6.87~6.92(3H,m),7.39(1H,dd,J=9.2Hz,2.8Hz),7.79(1H,d,J=9.2Hz),8.62(1H,s)
实施例65
4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
15ml异丙醇,75mg三乙胺和125ml胡椒胺加到140mg 4-氯-6-氰基喹唑啉中。回流加热混合物5小时,过滤回收沉淀,将该沉淀加到硅胶柱,并用乙酸乙酯洗脱得到200mg标题化合物。
分子式:C17H12N4O2
产率:89%
·m.p.(℃);243~244
·Mass;305(M+1)+
·NMR δ(DMSO-d6);
4.67(2H,d,J=5.6Hz),5.96(2H,s),6.84(2H,s),6.95(1H,s),7.77(1H,d,J=8.4Hz),8.56(1H,s),8.89(1H,s),9.04(1H,br)
实施例66-87化合物按实施例65所述相同方法制备。
实施例66
4-〔3-(1-咪唑基)丙基〕氨基-6-氰基喹唑啉
分子式:C15H14N6
产率:22%
·m.p.(℃);196~197
·Mass m/e;279(M+1)
·NMR δ(CDCl3);
2.27(2H,quintet,J=6.4Hz),3.66(2H,q,J=6.4Hz),4.17(2H,t,J=6.4Hz),7.07(1H,s),7.11(1H,s),7.82(1H,s),7.82(1H,s),8.09(1H,s),8.37(1H,brs),8.66(1H,s),8.84(1H,s)
实施例67
4-(苯并咪唑-5-基)甲氨基-6-氰基喹唑啉
分子式:C17H12N6
产率:68%
·m.p.(℃);274~277
·Mass;301(M+1)+
·NMR δ(DMSO-d6);
4.88(2H,d,J=5.6Hz),7.21~7.24(1H,m),7.35~7.76(2H,m),7.78(1H,d,J=8.8Hz),7.06(1H,dd,J=8.8Hz,1.6Hz),8.15(1H,s),8.57(1H,s),8.92(1H,s),9.14(1H,m),12.32(1H,m)
实施例68
4-(3,4-亚甲二氧苄基)氨基-6-乙氧羰基喹唑啉
分子式:C19H17N3O4
产率:48%
·m.p.(℃);156~157
·Mass;352(M+H)+
·NMR δ(CDCl3);
1.43(3H,t,J=7.2Hz),4.44(2H,q,J=7.2Hz),4.79(2H,d,J=5.2Hz),5.98(2H,s),6.14(1H,brs),6.82(1H,d,J=8.0Hz),6.89(1H,d,J=8.0Hz),6.90(1H,s),7.87(1H,d,J=8.8Hz),8.33(1H,d,J=8.8Hz),8.46(1H,s),8.74(1H,s)
实施例69
4-(3,4-亚甲二氧苄基)氨基-6-甲基喹唑啉
分子式:C17H15N3O2
产率:68%
·m.p.(℃);203~204
·Mass;294(M+H)+
·NMR δ(CDCl3);
2.49(3H,s),4.76(2H,d,J=5.6Hz),5.79(1H,brs),5.96(2H,s),6.81(1H,d,J=8.0Hz),6.88(1H,d,J=8.0Hz),6.91(1H,s),7.44(1H,s),7.57(1H,d,J=8.4Hz),7.76(1H,d,J=8.4Hz),8.66(1H,s)
实施例70
4-(3,4-亚甲二氧苄基)氨基-6,7-二甲氧喹唑啉
分子式:C18H17N3O4
产率:77%
·m.p.(℃);221~222
·Mass;340(M+H)+
·NMR δ(DMSO-d6);
3.88(3H,s),3.89(3H,s),4.68(2H,d,J=6.0Hz),5.97(2H,s),6.85(2H,s),6.94(1H,s),7.09(1H,s),7.64(1H,s),8.33(1H,s),8.37(1H,t,J=6.0Hz)
实施例71
4-(3,4-亚甲二氧苄基)氨基-6,8-二甲氧喹唑啉
分子式:C18H17N3O4
产率:88%
·m.p.(℃);217~218
·Mass;340(M+H)+
·NMR δ(CDCl3);
3.89(3H,s),4.01(3H,s),4.77(2H,d,J=5.2Hz),5.63(1H,brs),5.97(2H,s),6.42(1H,d,J=2.4Hz),6.77(1H,d,J=2.4Hz),6.80(1H,d,J=7.6Hz),6.88(1H,dd,J=7.6Hz,1.6Hz),6.92(1H,d,J=1.6Hz),8.65(1H,s)
实施例72
4-(3,4-亚甲二氧苄基)氨基-5,6-二甲氧-喹唑啉
分子式:C18H17N3O4
产率:74%
·m.p.(℃);122~123
·Mass;340(M+1)+
·NMR δ(CDCl3);
3.97(6H,s),4.77(2H,d,J=5.2Hz),5.97(2H,s),6.81(1H,d,J=8.0Hz),6.86(1H,dd,J=8.0Hz,1.6Hz),6.88(1H,d,J=1.6Hz),7.49(1H,d,J=8.8Hz),7.82(1H,d,J=8.8Hz),8.51(1H,s),8.64(1H,brs)
实施例73
4-(3,4-亚甲二氧苄基)氨基-6-乙酰氨基-7-甲氧喹唑啉
分子式:C19H18N4O4
产率:66%
·m.p.(℃);164~165
·Mass;367(M+H)+
·NMR δ(CDCl3);
2.26(3H,s),4.04(3H,s),4.76(2H,d,J=5.6Hz),5.95(2H,s),6.22(1H,brs),6.77(1H,d,J=8.0Hz),6.85(1H,d,J=8.0Hz),6.89(1H,s),7.31(1H,s),8.02(1H,brs),8.59(1H,s),8.81(1H,s)
实施例74
4-(3,4-亚甲二氧苄基)氨基-6-甲硫基-7-甲氧喹唑啉
分子式:C18H17N3O3S
产率:39%
·m.p.(℃);200~205(dec.)
·Mass;356(M+H)+
·NMR δ(CDCl3);
2.50(3H,s),4.01(3H,s),4.78(2H,d,J=5.6Hz),5.95(2H,s),6.13(1H,brs),6.79(1H,d,J=8.0Hz),6.88(1H,d,J=8.0Hz),6.91(1H,s),7.15(1H,s),7.33(1H,s),8.56(1H,s)
实施例75
4-(3,4-亚甲二氧苄基)氨基喹唑啉
分子式:C16H13N3O2
产率:69%
·m.p.(℃);197~198
·Mass;280(M+H)+
·NMR δ(CDCl3);
4.78(2H,d,J=5.2Hz),5.85(1H,brs),5.96(2H,s),6.80(1H,d,J=8.0Hz),6.88(1H,d,J=8.0Hz),6.91(1H,s),7.46(1H,t,J=8.0Hz),7.68(1H,d,J=8.0Hz),7.75(1H,t,J=8.0Hz),7.87(1H,d,J=8.0Hz),8.71(1H,s)
实施例76
4-(3,4-亚甲二氧苄基)氨基-8-甲氧喹唑啉
分子式:C17H15N3O3
产率:76%
·m.p.(℃);195~196
·Mass;310(M+H)+
·NMR δ(CDCl3);
4.03(3H,s),4.78(2H,d,J=5.6Hz),5.94(2H,s),6.77(1H,d,J=8.0Hz),6.89(1H,d,J=8.0Hz),6.92(1H,s),6.95(1H,brs),7.12(1H,d,J=8.0Hz),7.39(1H,t,J=8.0Hz),7.48(1H,d,J=8.0Hz),8.70(1H,s)
实施例77
4-(3,4-亚甲二氧苄基)氨基-7-氯喹唑啉
分子式:C21H22N3O2Cl
产率:62%
·m.p.(℃);209-210
·Mass;314(M+H)+
·NMR δ(CDCl3);
4.77(2H,d,J=5.6Hz),5.95(2H,s),6.78(1H,d,J=8.0Hz),6.88(1H,d,J=8.0Hz),6.92(1H,s),7.39(1H,dd,J=8.8Hz,2.0Hz),7.4(1H,brs),7.83(1H,d,J=2.0Hz),7.96(1H,d,J=8.8Hz),8.63(1H,s)
实施例78
4-(3,4-亚甲二氧苄基)氨基苯并〔g〕喹唑啉
分子式:C20H15N3O2(329)
产率:45%
·m.p.(℃);265(dec.)
·Mass;330(M+1)+
·NMR δ(DMSO-d6);
4.92(2H,d,J=6.0Hz),5.97(2H,s),6.88(1H,d,J=8.0Hz),6.94(1H,dd,J=8.0Hz,1.6Hz),7.06(1H,d,J=1.6Hz),7.68~7.81(2H,m),8.11(1H,d,J=8.4Hz),8.21(1H,d,J=8.4Hz),8.33(1H,s),8.90(1H,s),9.36(1H,s),11.09(1H,br)
实施例79
4-(3,4-亚甲二氧苄基)氨基-6,7亚甲二氧喹唑啉
分子式:C17H13N3O4(323)
产率:55%
·m.p.(℃);229~231
·Mass;324(M+1)+
·NMR δ(DMSO-d6);
4.62(2H,d,J=5.6Hz),5.94(2H,s),6.16(2H,s),6.79(1H,d,J=8.0Hz),6.82(1H,dd,J=8.0Hz,2.0Hz),6.89(1H,d,J=2.0Hz),7.06(1H,s),7.68(1H,s),8.26(1H,brt,J=5.6Hz),8.28(1H,s)
实施例80
4-(3,4,5-三甲氧苄基)氨基-6,7-亚甲二氧喹唑啉
分子式:C19H19N3O5(369)
产率:59%
·m.p.(℃);240~241
·Mass;370(M+1)+
·NMR δ(DMSO-d6);
3.61(3H,s),3.70(6H,s),4.65(2H,d,J=6.0Hz),6.16(2H,s),6.675(2H,s),7.06(1H,s),7.72(1H,s),8.23(1H,brt,J=6.0Hz),8.30(1H,s)
实施例81
2-甲基-4-(3,4-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C20H21N3O5
产率:58%
·m.p.(℃);190~191
·Mass;384(M+H)+
·NMR δ(CDCl3);
2.67(3H,s),3.93(3H,s),4.01(3H,s),4,11(3H,s),4.77(2H,d,J=5.2Hz),5.96(2H,s),6.70(1H,s),6.79(1H,d,J=7.6Hz),6.89(1H,d,J=7.6Hz),6.93(1H,s)
实施例82
2-异丙基-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉
分子式:C20H21N3O3
产率:84%
·m.p.(℃);157~158
·Mass;352(M+1)+
·NMR δ(CDCl3);
1.36(6H,d,J=6.8Hz),3.15(1H,septet,J=6.8Hz),3.88(3H,s),4.81(2H,d,J=5.6Hz),5.94(2H,s),6.78(1H,d,J=8.0Hz),6.91(1H,dd,J=8.0Hz,2.0Hz),6.96(1H,d,J=2.0Hz),6.99(1H,brd,J=2.4Hz),7.32(1H,dd,J=9.2Hz,2.4Hz),7.79(1H,d,J=9.2Hz)
实施例83
2-(2-丙氧苯基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C25H22N3O3Cl
产率:20%
·m.p.(℃);208~209
·Mass;446(M+1)+
·NMR δ(CDCl3);
0.97(3H,t,J=7.6Hz),1.71~1.81(2H,m),4.01(2H,t,J=6.4Hz),4.81(2H,brs),5.80(1H,br),5.96(2H,s),6.79~7.86(10H,m)
实施例84
2-(2-丙氧苯基)-4-(3,4-亚甲二氧苄基)氨基-喹唑啉
分子式:C25H23N3O3(413)
产率:15%
·m.p.(℃);130~131
·Mass;414(M+1)+
·NMR δ(CDCl3);
0.96(3H,t,J=7.2Hz),1.71~1.77(2H,m),4.00(2H,t,J=6.4Hz),4.83(2H,s),5.95(2H,s),6.77~7.93(12H,m)
实施例85
4-(3,4-亚甲二氧苯甲酰氨基)-6,7,8-三甲氧喹唑啉
分子式:C19H17N3O6
产率:13%
·m.p.(℃);190~192
·Mass;384(M+H)+
·NMR δ(CDCl3);
4.10(6H,s),4.12(3H,s),6.07(2H,s),6.91(1H,d,J=8.0Hz),7.86(1H,s),7.90(1H,s),8.06(1H,d,J=8.0Hz),8.18(1H,s)
实施例86
4-(3,4-亚甲二氧苄基)氧基-6,7,8-三甲氧喹唑啉
分子式:C19H18N2O6
产率:49%
·m.p.(℃);141~142
·Mass;371(M+H)+
·NMR δ(CDCl3);
3.97(3H,s),4.05(3H,s),4.13(3H,s),5.53(2H,s),5.99(2H,s),6.84(1H,d,J=8.0Hz),7.00(1H,dd,J=8.0Hz,2.0Hz),7.02(1H,d,J=2.0Hz),7.20(1H,s),8.74(1H,s)
实施例87
4-(3,4-亚甲二氧苄基)氧基-6-甲硫基喹唑啉
分子式:C17H14N2O3Cl
产率:69%
·m.p.(℃);104~105
·Mass;327(M+H)+
·NMR δ(CDCl3);
2.59(3H,s),5.56(2H,s),6.00(2H,s),6.85(1H,d,J=8.0Hz),7.01(1H,dd,J=8.0Hz,1.6Hz),7.03(1H,d,J=1.6Hz),7.72(1H,dd,J=8.8Hz,1.6Hz),7.88(1H,d,J=8.8Hz),7.89(1H,d,J=1.6Hz),8.78(1H,s)
实施例88
2,4,6-三甲氧喹唑啉
5.0g(0.022mol)2,4-二氯-6-甲氧喹唑啉悬浮于150ml甲醇中,逐渐加入3.5g氢化钠。加热回流所得混合物。几小时后,减压浓缩反应混合物,然后加水,过滤收集沉淀晶体,用水洗涤,空气中干燥得到4.8g标题化合物,为粗黄色晶体。
·m.p.;143~144
·Mass;221(M+1)+
·NMR δ(CDCl3);
3.90(3H,s),4.08(3H,s),4.18(3H,s),7.36(1H,d,J=2.8Hz),7.39(1H,dd,J=8.8Hz,2.8Hz),7.67(1H,d,J=2.8Hz)
实施例89
2,6-二甲氧-4-(3,4-亚甲二氧苄基)氨基-喹唑啉
3.75g(24.8mol)胡椒胺加到2.00g2,4,6-三甲氧喹唑啉于15ml二甲亚砜的溶液中。于150-160℃搅拌加热混合物。1小时后,借助硅胶柱色谱法提纯反应混合物,重结晶(乙酸乙酯/正己烷)得到0.50g标题化合物,为浅黄色晶体。
分子式:C18H17N3O4
产率:18%
·m.p.(℃);166~167
·Mass;340(M+1)+
·NMR δ(CDCl3);
3.89(3H,s),4.03(3H,s),4.77(2H,d,J=5.2Hz),5.94(2H,s),6.76(1H,d,J=8.0Hz),6.89(1H,dd,J=8.0Hz,1.2Hz),6.93(1H,d,J=1.2Hz),7.29(1H,dd,J=8.8Hz,2.8Hz),7.32(1H,brs),7.59(1H,d,J=8.8Hz)
实施例90
2,4-双苄氧基-6-甲氧喹唑啉
3ml苄基醇溶于50ml四氢呋喃中,接着加入1.0g氢化钠。所得混合物在40℃-50℃下搅拌30分钟,接着加入2.50g(0.0109mol)2,4-二氯-6-甲氧喹唑啉。回流加热所得混合物几小时,接着加水。用氯仿萃取混合物,在无水硫酸镁中干燥有机层并过滤。减压蒸除溶液中的溶剂。所得晶体残余物在氯仿/正己烷中重结晶,得到3.84g标题化合物,为黄色晶体。
产率:95%
·m.p.(℃);144~145
·Mass;373(M+1)+
·NMR δ(CDCl3);
3.87(3H,s),5.53(2H,s),5.62(2H,s),7.31~7.55(12H,m),7.70(1H,d,J=8.8Hz)
实施例91
2-苄氧基-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉
1.25g(8.27mmol)胡椒胺加入1.00g(2.69mmol)2,4-双苄氧基-6-甲氧喹唑啉在10ml二甲亚砜的溶液中,所得混合物在160-180℃下搅拌1小时。借助硅胶柱色谱法提纯反应混合物(乙酸乙酯/正己烷),在乙酸乙酯/正己烷中重结晶,得到0.20g标题化合物,无色针晶。
分子式:C24H21N3O4
产率:18%
·m.p.(℃);163~164
·Mass;416(M+H)+
·NMR δ(CDCl3);
3.86(3H,s),4.75(2H,d,J=5.2Hz),5.49(2H,s),5.68(1H,brs),5.96(2H,s),6.79(1H,d,J=8.0Hz),6.84~6.87(3H,m),7.28~7.36(4H,m),7.51~7.53(2H,m),7.63(1H,d,J=9.2Hz)
实施例92
2,6-二氯-4-(3,4-亚甲二氧苄基)氨基喹唑啉
3,6g2,4,6-三氯喹唑啉,2.4g胡椒胺,1.6g三乙胺和50ml异丙醇的混合物在回流下加热1.5小时,热过滤得到5.2g标题化合物。
分子式:C16H11N3O2Cl2
产率:98%
·m.p.(℃);215
·Mass;349(M+1)+
·NMR δ(DMSO-D6);
4.61(2H,s),5.97(2H,s),6.85(2H,s),6.95(1H,s),7.63(1H,d,J=8.8Hz),7.80(1H,dd,J=8.8Hz,2.4Hz),8.45(1H,d,J=2.4Hz),9.24(1H,br)
实施例93
2-氯-4-(3,4-亚甲二氧苄基)氨基-6-氰基-喹唑啉
35ml异丙醇,900mg三乙胺和1.35g胡椒胺加到2g2,4-二氯-6-氰基喹唑啉中。回流加热所得混合物1.5小时,热过滤回收沉淀。得到2.4g标题化合物。
分子式:C17H11N4O2Cl
产率:79%
·m.p.(℃);234~236(dec.)
·Mass;339(M+1)+
·NMR δ(DMSO-d6);
4.63(2H,d,J=5.6Hz),5.97(2H,s),6.86(2H,s),6.97(1H,s),7.72(1H,d,J=8.4Hz),8.10(1H,dd,J=8.4Hz,1.8Hz),8.90(1H,d,J=1.8Hz),9.50(1H,br)
实施例94
2-氯-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹唑啉
3.9g3-氯-4-甲氧苄基胺,3.97g三乙胺和200ml2-丙醇加到4g2,4-二氯-6-氰基喹唑啉。回流加热所得混合物30分钟,冷却至室温,过滤回收沉淀晶体,水洗和氯仿洗沉淀,得到5.563g标题化合物。
分子式:C17H12N4OCl2
产率:87%
·m.p.(℃);264~266
·Mass m/e;359(M+1)
·NMR δ(CDCl3);
3.90(3H,s),4.73(2H,d,J=5.2Hz),6.92(1H,d,J=8.4),7.33(1H,dd,J=8.4Hz,2.0Hz),7.45(1H,d,J=2.0Hz),7.74(1H,d,J=8.4Hz),7.83(1H,dd,J=8.4Hz,1.6Hz),8.78(1H,d,J=1.6Hz),8.85(1H,brs)
实施例95-105化合物按实施例88-94所述相同方法制备。
实施例95
2-氯-4-(3,4-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H18N3O5Cl
产率:50%
·m.p.(℃);193~194
·Mass;404(M+H)+
·NMR δ(CDCl3);
3.94(3H,s),4.03(3H,s),4.10(3H,s),4.75(2H,d,J=5.2Hz),5.65(1H,brs),5.98(2H,s),6.59(1H,s),6.81(1H,d,J=8.0Hz),6.89(1H,d,J=8.0Hz),6.91(1H,s)
实施例96
2-氯-4-(3-氯-4-甲氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H19Cl2N3O4
产率:45%
·m.p.(℃);199~200
·Mass;424(M+1)+
·NMR δ(CDCl3);
3.89(3H,s),3.95(3H,s),4.02(3H,s),4.08(3H,s),4.76(2H,d,J=5.6Hz),6.39(1H,brs),6.83(1H,s),6.89(1H,d,J=8.3Hz),7.31(1H,dd,J=8.4Hz,2.0Hz),7.40(1H,d,J=2.0Hz)
实施例97
2-氯-4-(3,4-亚甲二氧苄基)氨基-6,7-二甲氧喹唑啉
分子式:C18H16N3O4Cl
产率:97%
·m.p.(℃);177~178
·Mass;374(M+H)+
·NMR δ(CDCl3);
3.95(3H,s),3.97(3H,s),4.75(2H,d,J=5.2Hz),5.74(1H,brt,J=5.2Hz),5.97(2H,s),6.80(1H,d,J=8.0Hz),6.81(1H,s),6.88(1H,dd,J=8.0Hz,2.0Hz),6.91(1H,d,J=2.0Hz),7.14(1H,s)
实施例98
2-氯-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉
分子式:C17H14N3O3Cl
产率:80%
·m.p.(℃);202~203
·Mass;344(M+1)+
·NMR δ(CDCl3);
3.91(3H,s),4.77(2H,d,J=5.6Hz),5.94(2H,s),6.76(1H,d,J=8.0Hz),6.91(1H,dd,J=8.0Hz,1.6Hz),6.95(1H,d,J=1.6Hz),7.35(1H,dd,J=9.2Hz,2.8Hz),7.46(1H,brd,J=2.8Hz),7.69(1H,d,J=9.2Hz),7.90(1H,brs)
实施例99
2-氯-4-(3-氯-4-甲氧苄基)氨基-6-甲氧喹唑啉
分子式:C17H15N3O2Cl2
产率:88%
·m.p.(℃);171~172
·Mass;364(M+1)+
·NMR δ(DMSO);
3.83(3H,s),3.88(3H,s),4.68(2H,d,J=5.6Hz),7.13(1H,d,J=8.8Hz),7.33(1H,dd,J=2.4Hz,8.8Hz),7.44(1H,dd,J=2.8Hz,9.2Hz),7.46(1H,d,J=2.4Hz),7.58(1H,d,J=9.2Hz),7.72(1H,d,J=2.8Hz),9.05(1H,t,J=5.6Hz)
实施例100
2,6-二氯-4-苄氨基喹唑啉
分子式:C15H11N3Cl2
产率:77%
·m.p.(℃);227~228
·NMR δ(CDCl3);
4.85(2H,d,J=5.2Hz),5.97(1H,brs),7.33~7.43(5H,m),7.62(1H,d,J=2.0Hz),7.68(1H,dd,J=8.8Hz,2.0Hz),7.74(1H,d,J=8.8Hz)
实施例101
2,6-二氯-4-〔2-(3,4-甲亚二氧苯基)乙基〕-氨基喹唑啉
分子式:C17H13N3O2Cl2
产率:71%
·m.p.(℃);228~229
·NMR δ(DMSO-d6);
2.88(2H,t,J=7.4Hz),3.68(2H,m),5.96(2H,s),6.70(1H,dd,J=8.0Hz,1.6Hz),6.81(1H,d,J=8.0Hz),6.87(1H,d,J=1.6Hz),7.63(1H,d,J=8.8Hz),7.80(1H,dd,J=8.8Hz,2.0Hz),8.40(1H,d,J=2.0Hz),8.86(1H,d,J=5.2Hz)
实施例102
2,6-二氯-4-(3-氯-4-甲氧苄基)氨基-喹唑啉
分子式:C16H12N3OCl3
产率:93%
·m.p.(℃);207~208
·Mass m/e;368(M+1)
·NMR δ(CDCl3);
3.90(3H,s),4.73(2H,d,J=5.6Hz),6.91(1H,d,J=8.4Hz),7.32(1H,d,J=8.4Hz,2.0Hz),7.45(1H,d,J=2.0Hz),7.62(1H,dd,J=8.8Hz,2.0Hz),7.66(1H,d,J=8.8Hz),8.07(1H,brs),8.16(1H,d,J=2.0Hz)
实施例103
2,6-二氯-4-(苯并咪唑-5-基)甲氨基喹唑啉
分子式:C16H11N5Cl2(344.205)
产率:81%
·m.p.(℃);>290
·Mass;344(M+1)+
·NMR δ(DMSO);
4.85(2H,d,J=6.0Hz),7.25(1H,dd,J=1.6Hz,6.4Hz),7.57(1H,d,J=6.4Hz),7.60(1H,s),7.66(1H,d,J=8.8Hz),7.83(1H,dd,J=2.0Hz,8.8Hz),8.21(1H,s),8.44(1H,brs),8.52(1H,d,J=2.0Hz),9.37(1H,t,J=6.0Hz)
实施例104
2-氯-4-(苯并咪唑-5-基)甲氨基-6-氰基喹唑啉
分子式:C17H11N6Cl(334.5)
产率:58%
·m.p.(℃);>290
·Mass;335(M+1)+
·NMR δ(DMSO-d6);
4.81(2H,s),7.21~7.68(3H,m),7.73(1H,d,J=8.8Hz),8.10(1H,d,J=8.8Hz),8.17(1H,s),8.91(1H,s),9.55(1H,br)
实施例105
2-氯-4-〔N-(2-羟乙基)-(3,4-亚甲二氧苄基)氨基〕-6,7,8-三甲氧喹唑啉
分子式:C21H22N3O6Cl
产率:55%
·Mass;448(M+H)+
·NMR δ(CDCl3);
3.38(3H,s),3.88(2H,t,J=4.4Hz),4.01(2H,t,J=4.4Hz),4.03(3H,s),4.07(3H,s),4.92(2H,s),6.01(2H,s),6.88~6.91(3H,m),7.00(1H,s)
实施例106
2-甲酰基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
0.50g(0.0013mol)2-乙氧羰基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉溶解于20ml二氯甲烷和20ml四氢呋喃混合溶剂中。-78℃搅拌下,将2.6ml 1.0M的二异丁基氢化铝在甲苯的溶液滴入上述溶液中。所得混合物在-78℃搅拌几小时,接着加20ml甲醇。减压蒸除溶剂,借助硅胶柱色谱法提纯残余物,在乙酸乙酯/正己烷中重结晶,得到0.23g标题化合物,为浅黄色晶体。
产率:52%
·m.p.(℃);200~202(dec.)
·Mass;342(M+1)+
·NMR δ(CDCl3);
4.86(2H,d,J=5.2Hz),5.98(2H,s),6.81(1H,d,J=7.6Hz),6.90(1H,d,J=7.6Hz),6.92(1H,s),7.72(1H,d,J=2.0Hz),7.77(1H,dd,J=8.8Hz,2.0Hz),8.01(1H,d,J=8.8Hz),10.05(1H,s)
实施例107
2-乙氧羰基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
2.72g(0.0100mol)2-乙氧羰基-4,6-二氯喹唑啉,1.75g(0.0116mol)胡椒胺和1.60g(0.0151mol)碳酸钠与100ml异丙醇混合。加热回流所得混合物24小时,减压蒸除溶剂,借助硅胶柱色谱法提纯残余物,在氯仿/正己烷中重结晶,得到3.56g标题化合物,为无色针晶。
分子式:C19H16N3O4Cl
产率:92%
·m.p.(℃);212~213
·Mass;386(M+H)+
·NMR δ(CDCl3);
1.49(3H,t,J=7.2Hz),1.54(2H,q,J=7.2Hz),4.83(2H,d,J=5.6Hz),5.96(1H,brs),5.97(2H,s),6.80(1H,d,J=8.0Hz),6.91(1H,dd,J=8.0Hz,1.6Hz),6.97(1H,d,J=1.6Hz),7.70(1H,d,J=2.0Hz),7.72(1H,dd,J=8.8Hz,2.0Hz),8.00(1H,d,J=8.8Hz)
实施例108-111所述化合物按实施例106或107所述方法制备
实施例108
2-乙氧羰基-4-(3-氯-4-甲氧苄基)氨基-6-氯喹唑啉
分子式:C19H17N3O3Cl2
产率:88%
·m.p.(℃);185~186
·Mass;406(M+1)+
·NMR δ(CDCl3);
1.49(3H,t,J=7.2Hz),3.90(3H,s),4.54(2H,q,J=7.2Hz),4.84(2H,d,J=5.2Hz),6.09(1H,brs),6.90(1H,d,J=8.4Hz),7.33(1H,dd,J=8.4Hz,2.4Hz),7.48(1H,d,J=2.4Hz),7.72(1H,dd,J=8.8Hz,2.4Hz),7.74(1H,d,J=2.4Hz),7.99(1H,d,J=8.8Hz)
实施例109
2-乙氧羰基-4-(3,4-亚甲二氧苄基)氨基-6,7,8三甲氧喹唑啉
分子式:C22H23N3O7
产率:定量
·m.p.(℃);163~165(dec.)
·Mass;442(M+1)+
·NMR δ(CDCl3);
1.45(3H,t,J=7.2Hz),3.94(3H,s),4.02(3H,s),4.18(3H,s),4.46(2H,q,J=7.2Hz),4.80(2H,d,J=5.2Hz),5.89(1H,brt,J=5.2Hz),5.94(2H,s),6.74(1H,d,J=7.6Hz),6.76(1H,s),6.86(1H,dd,J=7.6Hz,1.6Hz),6.94(1H,d,J=1.6Hz)
实施例110
2-乙氧羰基-4-(3-氯-4-甲氧苄基)氨基-6-甲氧喹唑啉
分子式:C20H20N3O4Cl
产率:73%
·m.p.(℃);192~193
·Mass;402(M+1)+
·NMR δ(CDCl3);
1.49(3H,t,J=7.2Hz),3.90(3H,s),3.91(3H,s),4.53(2H,q,J=7.2Hz),4.86(2H,d,J=5.6Hz),5.90(1H,brt,J=5.6Hz),6.90(1H,d,J=8.4Hz),6.96(1H,d,J=2.4Hz),7.36(1H,dd,J=8.4Hz,2.4Hz),7.44(1H,dd,J=9.2Hz,2.4Hz),7.49(1H,d,J=2.4Hz),8.00(1H,d,J=9.2Hz)
实施例111
2-乙氧羰基-4-(苯并咪唑-5-基甲基)氨基-6-甲氧喹唑啉
分子式:C20H19N5O3
产率:48%
·m.p.(℃);244~245(dec.)
·Mass;378(M+1)+
·NMR δ(DMSO-d6);
1.35(3H,t,J=7.2Hz),3.90(3H,s),4.33(2H,q,J=7.2Hz),4.94(2H,d,J=6.0Hz),7.31(1H,d,J=8.0Hz),7.47(1H,dd,J=8.8Hz,2.8Hz),7.53(1H,d,J=8.0Hz),7.65(1H,brs),7.77(1H,d,J=8.8Hz),7.78(1H,s),8.17(1H,s),8.89(1H,brt,J=6.0Hz)
实施例112
(E)-2-(2-乙氧羰基-1-丙烯基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
0.52g(0.013mol)氢化钠加到4.00g(0.0117mol)2-甲酰基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉在250ml四氯呋喃溶液中。在搅拌冰浴下,将2.8ml(0.013mol)2-膦酰基丙酸三乙酯滴加到上述混合物中。在冰浴冷却下搅拌片刻,加热至室温,并再搅拌1小时,接着加入1.5ml8M盐酸/乙醇。所得混合物通过少量硅胶,减压蒸除溶剂。借助硅胶柱色谱法提纯残余物,在氯仿/正己烷中重结晶,得到2.00g标题化合物。
分子式:C22H20N3O4Cl
产率:40%
·m.p.(℃);179~180(dec.)
·Mass;426(M+1)+
·NMR δ(CDCl3);
1.35(3H,t,J=7.2Hz),2.50(3H,d,J=1.6Hz),4.29(2H,q,J=7.2Hz),4.78(2H,d,J=5.2Hz),5.77(1H,brt,J=5.2Hz),5.97(2H,s),6.81(1H,d,J=8.0Hz),6.87(1H,dd,J=8.0Hz,1.6Hz),6.89(1H,d,J=1.6Hz),7.62(1H,q,J=1.6Hz),7.64(1H,d,J=2.0Hz),7.68(1H,dd,J=8.8Hz,2.0Hz),7.81(1H,d,J=8.8Hz)
实施例113-119化合物按实施例112所述方法制备。
实施例113
(Z)-2-(2-乙氧羰基-1-丙烯基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C22H20N3O4Cl
产率:13%(0.64g)
·m.p.(℃);162~164(dec.)
·Mass;426(M+1)+
·NMR δ(CDCl3);
1.20(3H,t,J=7.2Hz),2.17(3H,d,J=1.6Hz),4.21(2H,q,J=7.2Hz),4.70(2H,d,J=4.8Hz),5.64(1H,brs),5.97(2H,s),6.53(1H,q,J=1.6Hz),6.81(1H,d,J=7.6Hz),6.85(1H,dd,J=7.6Hz,1.6Hz),6.87(1H,d,J=1.6Hz),7.58(1H,d,J=2.4Hz),7.62(1H,dd,J=8.8Hz,2.4Hz),7.71(1H,d,J=8.8Hz)
实施例113
(E)-2-(2-乙氧羰基乙烯基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C21H18N3O4Cl
产率:67%
·m.p.(℃);195~196
·Mass;412(M+1)+
·NMR δ(CDCl3);
1.35(3H,t,J=7.2Hz),4.29(2H,q,J=7.2Hz),4.80(2H,d,J=5.2Hz),5.77(1H,brs),5.97(2H,s),6.81(1H,d,J=7.6Hz),6.89(1H,d,J=7.6Hz),6.90(1H,s),7.21(1H,d,J=15.6Hz),7.64(1H,d,J=2.0Hz),7.66(1H,d,J=15.6Hz),7.68(1H,dd,J=9.2Hz,2.0Hz),7.82(1H,d,J=9.2Hz)
实施例115
(E)-2-(2-乙氧羰基乙烯基)-4-(3-氯-4-甲氧苄基)氨基-6-氯喹唑啉
分子式:C21H19N3O4Cl2
产率:74%
·m.p.(℃);211~212
·Mass;432(M+1)+
·NMR δ(CDCl3);
1.35(3H,t,J=7.2Hz),3.89(3H,s),4.28(2H,q,J=7.2Hz),4.79(2H,d,J=5.6Hz),6.91(1H,d,J=8.4Hz),7.16(1H,d,J=15.6Hz),7.33(1H,dd,J=8.4Hz,2.0Hz),7.46(1H,d,J=2.0Hz),7.62(1H,d,J=15.6Hz),7.64(1H,dd,J=8.8Hz,2.4Hz),7.75(1H,d,J=8.8Hz),7.77(1H,brs),8.16(1H,d,J=2.4Hz)
实施例116
(E)-2-(2-乙氧羰基-1-丙烯基)-4-(3-氯-4-甲氧苄基)氨基-6-氯喹唑啉
分子式:C22H21N3O3Cl2
产率:54%
·m.p.(℃);154~155
·Mass;446(M+1)+
·NMR δ(CDCl3);
1.35(3H,t,J=7.2Hz),2.48(3H,d,J=1.6Hz),3.91(3H,s),4.29(2H,q,J=7.2Hz),4.80(2H,d,J=5.2Hz),5.82(1H,brt,J=5.2Hz),6.92(1H,d,J=8.8Hz),7.27(1H,dd,J=8.8Hz,2.0Hz),7.42(1H,d,J=2.0Hz),7.62(1H,q,J=1.6Hz),7.67(1H,d,J=2.4Hz),7.69(1H,dd,J=8.8Hz,2.4Hz),7.82(1H,d,J=8.8Hz)
实施例117
(Z)-2-(2-乙氧羰基-1-丙烯基)-4-(3-氯-4-甲氧苄基)氨基-6-氯喹唑啉
分子式:C22H21N3O4Cl2
产率:11%
·m.p.(℃);141~142
·Mass;446(M+1)+
·NMR δ(CDCl3);
1.19(3H,t,J=7.2Hz),2.17(3H,d,J=1.6Hz),3.91(3H,s),4.19(2H,q,J=7.2Hz),4.73(2H,d,J=5.2Hz),5.69(1H,brt,J=5.2Hz),6.53(1H,q,J=1.6Hz),6.92(1H,d,J=8.4Hz),7.26(1H,dd,J=8.4Hz,2.0Hz),7.40(1H,d,J=2.0Hz),7.60(1H,d,J=2.0Hz),7.63(1H,dd,J=8.8Hz,2.0Hz),7.71(1H,d,J=8.8Hz)
实施例118
(E)-2-(2-乙氧羰基-1-丙烯基)-4-(3,4-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C25H27N3O7
产率:51%
·m.p.(℃);175~176
·Mass;482(M+1)+
·NMR δ(CDCl3);
1.35(3H,t,J=7.2Hz),2.52(3H,d,J=1.6Hz),3.95(3H,s),4.04(3H,s),4.14(3H,s),4.28(2H,q,J=7.2Hz),4.80(2H,d,J=5.2Hz),5.60(1H,brt,J=5.2Hz),5.96(2H,s),6.67(1H,s),6.80(1H,d,J=8.0Hz),6.87(1H,dd,J=8.0Hz,1.6Hz),6.90(1H,d,J=1.6Hz),7.69(1H,q,J=1.6Hz)
实施例119
(Z)-2-(2-乙氧羰基-1-丙烯基)-4-(3,4-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C25H27N3O7
产率:11%
·m.p.(℃);157~158(dec.)
·Mass;482(M+1)+
·NMR δ(CDCl3);
1.19(3H,t,J=7.2Hz),2.16(3H,s),3.92(3H,s),4.02(3H,s),4.09(3H,s),4.21(2H,q,J=7.2Hz),4.72(2H,d,J=5.2Hz),5.43(1H,brs),5.96(2H,s),6.59~6.61(2H,m),6.80(1H,d,J=8.0Hz),6.86~6.89(2H,m)
实施例120
(E)-2-(2-羧基-1-丙烯基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
1.00g(0.0023mol)(E)-2-(2-乙氧羰基丙烯基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉溶解于5ml四氢呋喃和20ml乙醇的混合物中,接着加入20ml 1N氢氧化钠水溶液,所得混合物在室温搅拌几小时,用20ml 1N盐酸中和,减压浓缩。过滤回收形成的晶体,水洗,空气干燥,得到0.85g标题化合物。
分子式:C20H16N3O4Cl
产率:91%
·m.p.(℃);145~146
·Mass;398(M+1)+
·NMR δ(DMSO-d6);
2.36(3H,d,J=1.6Hz),4.70(2H,d,J=5.6Hz),5.97(2H,s),6.85(2H,s),6.95(1H,s),7.34(1H,q,J=1.6Hz),7.72(1H,d,J=8.8Hz),7.79(1H,dd,J=8.8Hz,2.0Hz),8.46(1H,d,J=2.0Hz),8.86(1H,brt,J=5.6Hz)
实施例121-128所述化合物按实施例120所述方法制备。
实施例121
2-羧基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C17H12N3O4Cl
产率:定量
·m.p.(℃);240(dec.)
·Mass;402(M-1+2Na)+
·NMR δ(DMSO-d6);
4.71(2H,d,J=5.6Hz),5.96(2H,s),6.83(1H,d,J=8.0Hz),6.89(1H,dd,J=8.0Hz,1.2Hz),7.06(1H,d,J=1.2Hz),7.75(1H,dd,J=8.8Hz,2.4Hz),7.90(1H,d,J=8.8Hz),8.48(1H,d,J=2.4Hz),8.82(1H,brt,J=5.6Hz)
实施例122
(E)-2-(2-羧乙烯基)-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉
分子式:C19H14N3O4Cl
产率:43%
·m.p.(℃);114~115
·Mass;428(M-1+2Na)+
·NMR δ(DMSO-d6);
4.71(2H,d,J=5.6Hz),5.96(2H,s),6.84(1H,d,J=8.0Hz),6.90(1H,dd,J=8.0Hz,1.6Hz),6.99(1H,d,J=1.6Hz),7.02(1H,d,J=15.6Hz),7.23(1H,d,J=15.6Hz),7.73(1H,d,J=9.2Hz),7.78(1H,dd,J=9.2Hz,2.0Hz),8.44(1H,d,J=2.0Hz),8.89(1H,brt,J=5.6Hz)
实施例123
(Z)-2-(2-羧基-1-丙烯基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C20H16N3O4Cl
产率:定量
·m.p.(℃);195~196
·Mass;398(M+1)+
·NMR δ(DMSO-d6);
2.10(3H,d,J=1.6Hz),4.70(2H,d,J=5.6Hz),5.97(2H,s),6.56(1H,d,J=1.6Hz),6.86(1H,d,J=8.0Hz),6.91(1H,dd,J=8.0Hz,1.6Hz),7.00(1H,d,J=1.6Hz),7.65(1H,d,J=9.2Hz),7.81(1H,dd,J=9.2Hz,2.4Hz),8.46(1H,d,J=2.4Hz),8.96(1H,brt,J=5.6Hz)
实施例124
(E)-2-(2-羧乙烯基)-4-(3-氯-4-甲氧苄基)-氨基-6-氯喹唑啉
分子式:C19H15N3O3Cl2
产率:定量
·m.p.(℃);109~110
·Mass;448(M-1+2Na)+
·NMR δ(DMSO-d6);
3.81(3H,s),4.73(2H,d,J=5.6Hz),6.95(1H,d,J=15.6Hz),7.05(1H,d,J=15.6Hz),7.08(1H,d,J=8.4Hz),7.37(1H,dd,J=8.4Hz,2.0Hz),7.48(1H,d,J=2.0Hz),7.68(1H,d,J=8.8Hz),7.73(1H,dd,J=8.8Hz,2.0Hz),8.42(1H,d,J=2.0Hz),8.91(1H,brt,J=5.6Hz)
实施例125
(E)-2-(2-羧基-1-丙烯基)-4-(3-氯-4-甲氧苄基)氨基-6-氯喹唑啉
分子式:C20H17N3O3Cl2
产率:定量
·m.p.(℃);151~152
·Mass;462(M-1+2Na)
·NMR δ(DMSO-d6);
2.33(3H,d,J=1.2Hz),3.82(3H,s),4.72(2H,d,J=5.6Hz),7.09(1H,d,J=8.4Hz),7.20(1H,d,J=1.2Hz),7.32(1H,dd,J=8.4Hz,2.0Hz),7.44(1H,d,J=2.0Hz),7.67(1H,d,J=8.8Hz),7.74(1H,dd,J=8.8Hz,2.4Hz),8.43(1H,d,J=2.4Hz),8.87(1H,brt,J=5.6Hz)
实施例126
(Z)-2-(2-羧基-1-丙烯基)-4-(3-氯-4-甲氧苄基)氨基-6-氯喹唑啉
分子式:C20H17N3O3Cl2
产率:定量
·m.p.(℃);207~208(dec.)
·Mass;418(M+1)+
·NMR δ(DMSO-d6);
2.10(3H,d,J=1.4Hz),3.83(3H,s),4.72(2H,d,J=5.2Hz),6.54(1H,d,J=1.4Hz),7.10(1H,d,J=8.4Hz),7.38(1H,dd,J=8.4Hz,2.4Hz),7.49(1H,d,J=2.4Hz),7.65(1H,d,J=8.8Hz),7.81(1H,dd,J=8.8Hz,2.4Hz),8.44(1H,d,J=2.4Hz),8.95(1H,brt,J=5.2Hz)
实施例127
(E)-2-(2-羧基-1-丙烯基)-4-(3,4-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C23H23N3O7
产率:91%
·m.p.(℃);200~201(dec.)
·Mass;454(M+1)+
·NMR δ(DMSO-d6);
2.38(3H,s),3.89(3H,s),3.92(3H,s),4.01(3H,s),4.71(2H,d,J=5.6Hz),5.97(2H,s),6.85(2H,s),6.93(1H,s),7.37(1H,s),7.53(1H,s),8.53(2H,brt,J=5.6Hz),12.55(1H,brs)
实施例128
(Z)-2-(2-羧基-1-丙烯基)-4-(3,4-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C23H23N3O7
产率:90%
·m.p.(℃);237~238(dec.)
·Mass;454(M+1)+
·NMR δ(DMSO-d6);
2.11(3H,d,J=1.2Hz),3.92((3H,s),3.93(3H,s),3.94(3H,s),4.76(2H,d,J=5.6Hz),5.98(2H,s),6.8~6.9(3H,m),6.97(1H,s),7.61(1H,s),9.08(1H,brt,J=5.6Hz)
实施例129
4-(α-羧基-3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
10ml乙醇,5ml水和20mg氢氧化钠加到100mg4-(α-乙氧羰基-3,4-亚甲二氧苄基)氨基-6-氯喹唑啉中。所得混合物回流10分钟,减压浓缩,接着加20ml水。用1N盐酸中和所得混合物,过滤回收沉淀晶体,得到45mg标题化合物。
分子式:C17H12N3O4Cl
产率:49%
·m.p.(℃);235~236
·Mass m/e;358(M+1)
·NMR δ(DMSO-d6);
5.75(1H,d,J=6.4Hz),6.01(2H,s),6.89(1H,d,J=8.0Hz),7.00(1H,d,J=8.0Hz),7.08(1H,s),7.70(1H,d,J=8.8Hz),7.75(1H,dd,J=1.6Hz,8.8Hz),8.49(1H,s),8.59(1H,d,J=6.4Hz),8.70(1H,d,J=1.6Hz).
实施例130-131化合物按上例所述方法制备。
实施例130
4-〔N-(羧甲基)-(3,4-亚甲二氧苄基)氨基〕-6,7,8-三甲氧喹唑啉
分子式:C21H21N3O7
产率:90%
·m.p.(℃);134~136
·Mass;428(M+H)+
·NMR δ(CDCl3);
3.43(3H,s),4.06(3H,s),4.17(3H,s),4.62(2H,s),5.16(2H,s),6.03(2H,s),6.87(1H,s),6.91(2H,s),7.06(1H,s),8.87(1H,s)
实施例131
4-(3,4-亚甲二氧苄基)氨基-6-羧基喹唑啉
分子式:C17H13N3O4
产率:98%
·m.p.(℃);247~248(dec.)
·Mass;324(M+H)+
·NMR δ(DMSO-d6);
4.86(2H,d,J=5.6Hz),5.99(2H,s),6.89(1H,d,J=8.0Hz),6.92(1H,d,J=8.0Hz),7.02(1H,s),7.92(1H,d,J=8.8Hz),8.46(1H,d,J=8.8Hz),8.96(1H,s),9.20(1H,s),10.88(1H,brs)
实施例132
4-(α-氨基甲酰基-3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将20ml10%氨乙醇溶液加到200mg4-(α-乙氧羰基-3,4-亚甲二氧苄基)氨基-6-氯喹唑啉,所得混合物于室温搅拌3天,过滤回收沉淀晶体,得到60mg标题化合物。
分子式:C17H13N4O3Cl
产率:32
·m.p.(℃);230~231
·Mass m/e;357(M+1)
·NMR δ(CDCl3+DMSO-d6);
5.96(3H,m),6.42(1H,brs),6.79(1H,d,J=8.0Hz),7.09(1H,dd,J=8.0Hz,1.6Hz),7.14(1H,d,J=1.6Hz),7.15(1H,brs),7.67(1H,dd,J=8.8Hz,2.0Hz),7.75(1H,d,J=8.8Hz),8.28(1H,d,J=2.0Hz),8.57(1H,s)
实施例133-134化合物按上例所述方法制备。
实施例133
4-(3,4-亚甲二氧苄基)氨基-6-氨基甲酰基喹唑啉
分子式:C17H14N4O3
·Mass;323(M+H)+
·NMR δ(DMSO-d6);
4.68(2H,d,J=6.0Hz),5.97(2H,s),6.85(1H,d,J=8.0Hz),6.88(1H,d,J=8.0Hz),6.97(1H,s),7.55(1H,brs),7.70(1H,d,J=8.4Hz),7.97(1H,brs),8.18(1H,dd,J=8.4Hz,1.6Hz),8.50(1H,s),8.84(1H,d,J=1.6Hz),8.92(1H,brt,J=6.0Hz)
实施例134
2-氨基甲酰基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C17H13ClN4O3
产率:71%
·m.p.(℃);245~247(dec.)
·Mass;357(M+1)
·NMR δ(DMSO-d6);
4.77(2H,d,J=5.2Hz),5.97(2H,s),6.85(1H,d,J=8.0Hz),6.92(1H,d,J=8.0Hz),7.04(1H,s),7.66(1H,brs),7.83(2H,m),8.07(1H,brs),8.49(1H,s),8.99(1H,brs)
实施例135
4-(α-羟甲基-3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将10ml乙醇和197mg硼氢化钠加到200mg4-(α-乙氧羰基-3,4-亚甲二氧苄基)氨基-6-氯喹唑啉中,所得混合物回流30分钟,接着加5ml水,减压浓缩所得混合物,然后加10ml水。过滤回收沉淀晶体,得到30mg标题化合物。
分子式:C17H14N3O3Cl
产率:17%
·m.p.(℃);204~205
·Mass m/e;344(M+1)
·NMR δ(CDCl3(+DMSO-d6));
3.95(2H,m),5.43(1H,q,J=4.4Hz),5.92(1H,d,J=1.6Hz),5.93(1H,d,J=1.6Hz),6.76(1H,d,J=8.0Hz),6.90(1H,dd,J=8.0Hz,1.6Hz),6.95(1H,d,J=1.6Hz),7.60(1H,brs),7.65(1H,dd,J=8.4Hz,2.4Hz),7.74(1H,d,J=8.4Hz),8.31(1H,d,J=2.4Hz),8.53(1H,s)
实施例136
4-〔(3,4-亚甲二氧苄基)氨基-6-羟甲基-喹唑啉
制备方法与实施例135相同
分子式:C17H15N3O3
产率:34%
·m.p.(℃);176~177
·Mass m/e;310(M+1)
·NMR δ(DMSO-d6);
4.62(2H,d,J=5.6Hz),4.65(2H,d,J=5.6Hz),5.36(1H,t,J=5.6Hz),5.94(2H,s),6.82(1H,s),6.82(1H,s),6.92(1H,s),7.63(1H,d,J=8.4Hz),7.70(1H,d,J=8.4Hz),8.20(1H,s),8.41(1H,s),8.74(1H,t,J=5.6Hz)
实施例137
4-(3,4-亚甲二氧苄基)氨基-6-甲亚磺酰基喹唑啉
将1.20g(6.95mmol)间氯过苯甲酸于30ml氯仿的溶液于冰浴和搅拌下滴加到1.80g(5.53mmol)4-(3,4-亚二氧苄基)氨基-6-甲硫基喹唑啉在100ml氯仿的溶液中。所得混合物在冰浴下搅拌几小时,用饱和碳酸氢钠水溶液洗涤,无水硫酸镁干燥,过滤。借助硅胶柱色谱法提纯,在氯仿/正己烷中重结晶,得到1.51g标题化合物,为浅黄色晶体。
分子式:C17H15N3O3S
产率:80%
·m.p.(℃);154~155
·Mass;342(M+H)+
·NMR δ(CDCl3);
2.75(3H,s),4.80(2H,d,J=5.2Hz),5.96(2H,s),6.80(1H,d,J=8.0Hz),6.89(1H,d,J=8.0Hz),6.91(1H,s),7.06(1H,brs),7.64(1H,d,J=8.8Hz),7.98(1H,d,J=8.8Hz),8.43(1H,s),8.74(1H,s)
实施例138
4-(3,4-亚甲二氧苄基)氨基-6-甲磺酰基喹唑啉
将0.65g(3.8mmol)间氯过苯甲酸在20ml氯仿中的溶液于室温搅拌下滴加到1.00g(2.93mmol)4-(3,4-亚甲二氧苄基)氨基-6-甲亚磺酰基喹唑啉实施例137中。所得混合物于室温下搅拌几小时,用饱和碳酸氢钠洗涤,无水硫酸镁干燥,过滤。借助硅胶柱色谱(乙酸乙酯)提纯,在氯仿/正己烷中重结晶,得到0.85g标题化合物,为黄色晶体。
分子式:C17H15N3O4S
产率:81%
·m.p.(℃);192~193
·Mass;358(M+H)+
·NMR δ(CDCl3);
3.13(3H,s),4.80(2H,d,J=5.2Hz),5.95(2H,s),6.79(1H,d,J=8.0Hz),6.91(1H,d,J=8.0Hz),6.95(1H,s),8.05(1H,d,J=8.8Hz),8.17(1H,d,J=8.8Hz),8.72(1H,s),8.81(1H,brs),8.98(1H,s)
实施例139
2-羟甲基-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉
将1.5g10%的钯/碳粉加到1.26g(2.93mmol)2-苄氧甲基-4-(3,4-亚甲二氧苄基)氨基-6-甲氧基喹唑啉在乙酸乙酯/乙醇(20ml-20ml)中的混合物中。所得混合物于室温氢气流下搅拌24小时,并过滤,滤饼用热的乙酸乙酯/乙醇洗涤。减压蒸除滤液中的溶剂。得到0.89g标题化合物,为浅黄色晶体。
分子式:C18H17N3O4
产率:89%
·m.p.(℃);216~218
·Mass;340(M+H)+
·NMR δ(CDCl3);
3.91(3H,s),4.15(1H,brs),4.68(2H,brs),4.77(2H,d,J=5.6Hz),5.95(2H,s),6.79(1H,d,J=7.6Hz),6.85(1H,brs),6.88(1H,dd,J=7.6Hz,1.6Hz),6.92(1H,d,J=1.6Hz),7.21(1H,d,J=2.8Hz),7.37(1H,dd,J=9.2Hz,2.8Hz),7.72(1H,d,J=9.2Hz)
实施例140
2-羟基-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉
制备方法与实施例139所述相同。
分子式:C17H15N3O4
产率:16%
·m.p.(℃);215~217(dec.)
·Mass;326(M+H)+
·NMR δ(DMSO-d6);
3.79(3H,s),4.62(2H,d,J=5.6Hz),5.98(2H,s),6.84~6.87(2H,m),6.94(1H,s),7.09(1H,d,J=8.8Hz),7.22(1H,dd,J=8.8Hz,2.8Hz),7.60(1H,d,J=2.8Hz),8.65(1H,brt,J=5.6Hz),10.55(1H,s)
实施例141
2-甲酰基-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉
将1.5ml二甲亚砜在5ml二氯甲烷中的溶液于-78℃搅拌下滴加到1.0ml(11mmol)甲酰氯在10ml的二氯甲烷中。所得混合物于-78℃搅拌15分钟,然后滴加0.74g(2.2mmol)2-羟甲基-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉在7ml的二甲亚砜溶液中。所得混合物于-78℃搅拌20分钟,然后滴加5ml三乙胺,所得混合物搅拌30分钟并将温度升至室温。向反应混合物中加水,所得混合物用氯仿萃取,无水硫酸镁干燥并过滤,减压蒸除滤液中的溶剂,得到0.74g标题化合物,为粗棕色油。
分子式:C18H15N3O4
产率:定量
·NMR δ(CDCl3);
3.93(3H,s),4.86(2H,d,J=5.6Hz),5.95(2H,s),6.28(1H,brs),6.78(1H,d,J=8.0Hz),6.89(1H,dd,J=8.0Hz,1.6Hz),6.92(1H,d,J=1.6Hz),7.09(1H,d,J=2.8Hz),7.47(1H,dd,J=9.2Hz,2.8Hz),7.97(1H,d,J=9.2Hz),10.02(1H,s)
实施例142
2-羧基-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉
将1.00g银(Ⅰ)氧化物和15ml1N氢氧化钠水溶液加到0.59g(1.8mmol)2-甲酰基-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉(实施例141)在20ml1,4-二噁烷的溶液中,所得混合物于60℃搅拌,30分钟后,过滤反应混合物,用少量二噁烷和水洗涤滤饼。滤液用1N盐酸中和并用氯仿/乙醇萃取,有机层在硫酸镁中干燥并过滤,过滤收集晶体,用氯仿洗涤,得到0.34g标题化合物,为浅黄色晶体。
分子式:C18H15N3O5
产率:55%
·m.p.(℃);190~191(dec.)
·Mass;354(M+H)+
·NMR δ(DMSO-d6);
3.90(3H,s),4.77(2H,d,J=5.6Hz),5.97(2H,s),6.86(1H,d,J=8.0Hz),6.92(1H,d,J=8.0Hz),7.05(1H,s),7.49(1H,dd,J=9.2Hz,2.8Hz),7.76(1H,d,J=2.8Hz),7.79(1H,d,J=9.2Hz),8.91(1H,brt,J=5.6Hz)
实施例143-145化合物按实施例141或142所述方法制备。
实施例143
4-(3-甲酰苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H19N3O4
产率:定量
m.p.油状物
·NMR δ(CDCl3);
3.96(3H,s),4.04(3H,s),4.13(3H,s),4.97(2H,d,J=5.6Hz),5.97(1H,brt,J=5.6Hz),6.76(1H,s),7.53(1H,t,J=7.6Hz),7.70(1H,d,J=7.6Hz),7.81(1H,d,J=7.6Hz),7.91(1H,s),8.64(1H,s),10.00(1H,s)
实施例144
4-(3-羧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:
产率:45%
·m.p.(℃);245~246(dec.)
·Mass;370(M+H)+
·NMR δ(DMSO-d6);
3.89(3H,s),3.93(3H,s),3.98(3H,s),4.86(2H,d,J=5.6Hz),7.46(1H,d,J=7.6Hz),7.56(1H,s),7.62(1H,d,J=7.6Hz),7.83(1H,d,J=7.6Hz),7.95(1H,s),8.39(1H,s),8.83(1H,brs)
实施例145
4-(4-乙酰苄基)氨基-6-甲氧喹唑啉
分子式:C18H17N3O2
产率:41%
·m.p.(℃);204~206
·Mass;308(M+H)+
·NMR δ(CDCl3);
2.60(3H,s),3.91(3H,s),4.97(2H,d,J=5.6Hz),5.96(1H,brs),6.98(1H,s),7.42(1H,d,J=9.2Hz),7.50(2H,d,J=8.0Hz),7.82(1H,d,J=9.2Hz),7.94(2H,d,J=8.0Hz),8.61(1H,s)
实施例146
2-羟亚氨甲基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将0.60g羟基胺盐酸盐和3.0ml1N氢氧化钠水溶液加到1.00g(2.93mmol)2-甲酰-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉在30ml中的溶液,所得混合物于60℃搅拌30分钟,静置冷却,过滤收集沉淀晶体,用乙醇和正己烷洗涤,空气干燥,得到1.00g标题化合物,为白色晶体。
分子式:C17H13N4O3Cl
产率:96%
·m.p.(℃);245~246(dec.)
·Mass;357(M+1)
·NMR δ(DMSO-d6);
4.69(2H,d,J=6.0Hz),5.96(2H,s),6.84(1H,d,J=7.6Hz),6.91(1H,d,J=7.6Hz,1.6Hz),7.05(1H,d,J=1.6Hz),7.72(1H,d,J=8.8Hz),7.78(1H,dd,J=8.8Hz,2.0Hz),7.96(1H,s),8.45(1H,d,J=2.0Hz),8.91(1H,brt,J=6.0Hz),11.83(1H,s)
实施例147-149所述化合物按上例所述方法制备。
实施例147
2-羟亚氨甲基-4-(3,4-亚甲二氧苄基)-氨基-6-甲氧喹唑啉
分子式:C18H16N4O4
产率:46%
·m.p.(℃);229~230(dec.)
·Mass;353(M+H)+
·NMR δ(DMSO-d6);
3.88(3H,s),4.72(2H,d,J=5.6Hz),5.96(2H,s),6.85(1H,d,J=8.0Hz),6.91(1H,d,J=8.0Hz),7.05(1H,s),7.40(1H,dd,J=9.2Hz,2.8Hz),7.66(1H,d,J=9.2Hz),7.69(1H,d,J=2.8Hz),7.94(1H,s),8.62(1H,brt,J=5.6Hz),11.63(1H,s)
实施例148
4-(3-羟亚氨甲基苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H20N4O4
产率:56%
·m.p.(℃);231~232(dec.)
·Mass;369(M+H)+
·NMR δ(DMSO-d6);
3.88(3H,s),3.91(3H,s),3.98(3H,s),4.80(2H,d,J=6.0Hz),7.3~7.5(3H,m),7.52(1H,s),7.60(1H,s),8.11(1H,s),8.35(1H,s),8.60(1H,brs),11.17(1H,s)
实施例149
4-〔4-(1-羟亚氨乙基)苄基〕氨基-6-甲氧喹唑啉
分子式:C18H18N4O2
产率:定量
·m.p.(℃);245~246(dec.)
·Mass;323(M+H)+
·NMR δ(DMSO-d6);
2.13(3H,s),3.95(3H,s),4.97(2H,d,J=5.6Hz),7.44(2H,d,J=8.4Hz),7.63(2H,d,J=8.4Hz),7.68(1H,dd,J=9.2Hz,2.8Hz),7.83(1H,d,J=9.2Hz),8.14(1H,d,J=2.8Hz),8.84(1H,s),10.75(1H,brs),11.18(1H,s)
实施例150
2-乙氧羰基甲氧亚氨甲基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将0.10g(2.5mmol)氢化钠加到0.50g(1.4mmol)2-羟亚氨甲基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉在25ml二甲基甲酰胺中的溶液。搅拌所得混合物30分钟,滴加25ml(2.3mmol)溴化乙酸乙酯。所得混合物于室温搅拌2小时,然后加水。用乙酸乙酯萃取所得混合物。用无水硫酸镁干燥,过滤。减压蒸除滤液中的溶剂。借助硅胶柱色谱法提纯残余物得到0.52g标题化合物,为浅黄色晶体。
分子式:C21H19N4O5Cl
产率:84%
m.p.(℃);154~155
Mass;443(M+1)
NMR δ(CDCl3);
1.29(3H,t,J=7.2Hz),4.23(2H,q,J=7.2Hz),4.74(2H,d,J=5.2Hz),4.88(2H,s),5.96(2H,s),6.03(1H,brt,J=5.2Hz),6.78(1H,d,J=7.6Hz),6.87(1H,d,J=7.6Hz,1.6Hz),6.93(1H,d,J=1.6Hz),7.65(1H,dd,J=8.8Hz,2.0Hz),7.70(1H,d,J=2.0Hz),7.84(1H,d,J=8.8Hz),8.25(1H,s)
实施例151
4-(3-氨基-4-氯苄基)氨基-6-氯喹唑啉
1.00g(2.86mmol)4-(4-氯-3-硝基苄基)氨基-6-氯喹唑啉,0.85g铁粉,10ml乙酸和50ml乙醇的混合物回流加热2小时,减压蒸除溶剂。借助硅胶柱色谱法提纯残余物,得到0,91g标题化合物,为浅黄色晶体。
分子式:C15H12N4Cl2
产率:定量
m.p.(℃);226~229(dec.)
Mass;319(M+H)+
NMR δ(CDCl3);
4.19(2H,brs),4.73(2H,d,J=6.0Hz),6.71(1H,dd,J=8.0Hz,2.0Hz),6.83(1H,d,J=2.0Hz),7.18(1H,d,J=8.0Hz),7.64(1H,dd,J=8.8Hz,2.0Hz),7.72(1H,brs),7.74(1H,d,J=8.8Hz),8.19(1H,d,J=2.0Hz),8.60(1H,s)
实施例152
4-(4-氯-3-甲酰氨基苄基)氨基-6-氯喹唑啉
0.90g(2.82mmol)4-(3-氨基-4-氯苄基)氨基-6-氯喹唑啉(实施例151)溶解于15ml甲酸中,然后加入乙酐中。所得混合物于室温下搅拌2小时,减压蒸除溶剂。借助硅胶柱色谱法提纯残余物,在乙酸乙酯中重结晶得到0.64g标题化合物,为浅黄色晶体。
分子式:C16H12N4OCl2
产率:65%
m.p.(℃);229~230
Mass;347(M+H)+
NMR δ(DMSO-d6);
4.74(2H,d,J=5.6Hz),7.15(1H,dd,J=8.4Hz,2.0Hz),7.43(1H,d,J=8.4Hz),7.72(1H,d,J=8.8Hz),7.80(1H,dd,J=8.8Hz,2.0Hz),8.16(1H,d,J=2.0Hz),8.32(1H,d,J=2.0Hz),8.45(1H,s),8.46(1H,s),8.95(1H,brs),9.83(1H,brs)
实施例153
4-(3-甲酰氨基-4-甲氨苄基)氨基-6-氯喹唑啉
将1g铁粉分批加到1g4-(3-硝基-4-甲氧苄基)氨基-6-氯喹唑啉,4ml乙酸,4ml水和40ml乙醇的混合物中,并加热和缓和回流2小时,滤除不溶物。分批将浓酸盐加到深色滤液中得到黄色透明溶液。冰冷却该溶液得到沉淀晶体。过滤回收晶体,干燥得到1.1g4-(3-氨基-4-甲氧苄基)氨基-6-氯喹唑啉盐酸盐。将该盐酸盐溶解于乙醇/水中,加15%氢氧化钠水溶液使所得溶液呈碱性。分批加入水,沉淀出晶体,过滤回收晶体,水洗干燥,得到770mg4-(3-氨基-4-甲氧苄基)氨基-6-氯喹唑啉苯胺衍生物。将1ml甲酸冰冷下滴加到2ml乙酐中,所得混合物在50℃加热15分钟,并立即冰冷却,然后加入上述苯胺衍生物)。所得混合物在该温度下反应1小时在室温下反应1小时。加水,过滤回收晶体,水洗干燥得到130mg标题化合物。
分子式:C17H15N4O2Cl(342.786)
产率:50%
m.p.(℃);208~209
Mass;343(MH)+
NMR δ(DMSO-d6);
3.82(3H,s),4.68(2H,d,J=5.7Hz),6.98(1H,d,J=8.2Hz),7.09(1H,dd,J=2.0Hz,8.2Hz),7.71(1H,d,J=9.0Hz),7.79(1H,dd,J=2.4Hz,9.0Hz),8.23(1H,d,J=2.0Hz),8.27(1H,d,J=2.4Hz),8.47(2H,s),8.88(1H,t,J=5.7Hz),9.62(1H,brs)
实施例154
4-(3-甲磺酰氨基-4-氯苄基)氨基-6-氯喹唑啉
将75μl甲磺酰氯加到100mg4-(3-氨基-4-氯苄基)氨基-6-氯喹唑啉和3ml吡啶的溶液中。所得混合物于室温下搅拌1.5小时。分批加入20ml水,晶体沉淀。过滤回收晶体,水洗干燥得到109mg标题化合物。
分子式:C16H14N4O2SCl2(397.284)
产率:88%
m.p.(℃);209~210
Mass;397(MH)+
NMR δ(DMSO-d6);
3.01(3H,s),4.75(2H,d,J=5.7Hz),7.23(1H,dd,J=2.2Hz,8.2Hz),7.45(1H,d,J=8.2Hz),7.46(1H,d,J=2.2Hz),7.73(1H,d,J=9.0Hz),7.81(1H,dd,J=2.4Hz,9.0Hz),8.45(1H,d,J=2.4Hz),8.47(1H,s),8.97(1H,brt,J=5.7Hz),9.4(1H,brs)
实施例155-161化合物按实施例151-154所述方法制备。
实施例155
4-(3-氨基-4-羟苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C18H20N4O4
产率:定量
m.p:无定形
Mass;357(M+H)+
NMR δ(CDCl3);
3.68(1H,brs),3.82(1H,brs),3.95(3H,s),4.02(3H,s),4.11(3H,s),4.68(2H,d,J=4.4Hz),6.61(1H,brs),6.64(1H,d,J=7.6Hz),6.77(1H,d,J=7.6Hz),7.01(1H,s),8.50(1H,brs),8.60(1H,s)
实施例156
4-(3-乙氧羰氨基-4-乙氧羰氧苄基)-氨基-6,7,8-三甲氧喹唑啉
分子式:C24H28N4O8
产率:54%
m.p.(℃);229~230(dec.)
Mass;501(M+H)+
NMR δ(CDCl3);
1.31(3H,t,J=7.2Hz),1.40(3H,t,J=7.2Hz),3.95(3H,s),4.03(3H,s),4.11(3H,s),4.21(2H,q,J=7.2Hz),4.35(2H,q,J=7.2Hz),4.81(1H,d,J=5.2Hz),5.80(1H,brt,J=5.2Hz),6.74(1H,s),6.87(1H,s),7.13(1H,d,J=8.0Hz),7.20(1H,d,J=8.0Hz),8.18(1H,brs),8.64(1H,s)
实施例157
4-〔苯并噁唑-2(3H)-酮-5-基甲基〕氨基-6,7,8-三甲氧喹唑啉
分子式:C19H18N4O5
产率:62%
m.p.(℃);232~233(dec.)
Mass;383(M+H)+
NMR δ(DMSO-d6);
3.87(3H,s),3.90(3H,s),3.96(3H,s),4.78(2H,d,J=5.6Hz),7.06(1H,s),7.07(1H,d,J=8.0Hz),7.20(1H,d,J=8.0Hz),7.50(1H,s),8.35(1H,s),8.58(1H,brt,J=5.6Hz),11.48(1H,brs)
实施例158
4-(4-羟基-3-甲磺酰氨基苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H22N4O6S
产率:56%
m.p.(℃);215~216(dec.)
Mass;435(M+H)+
NMR δ(DMSO-d6);
2.91(3H,s),3.86(3H,s),3.89(3H,s),3.96(3H,s),4.65(2H,d,J=5.6Hz),6.83(1H,d,J=8.0Hz),7.04(1H,dd,J=8.0Hz,2.0Hz),7.22(1H,d,J=2.0Hz),7.50(1H,s),8.34(1H,s),8.52(1H,brt,J=5.6Hz),8.66(1H,brs),9.75(1H,brs)
实施例159
4-(3-氨基-4-氯苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C18H19N4O3Cl
产率:86%
m.p.(℃);181~182(dec.)
Mass;375(M+H)+
NMR δ(CDCl3);
3.95(3H,s),4.03(3H,s),4.08(2H,brs),4.13(3H,s),4.75(2H,d,J=5.6Hz),5.65(1H,brs),6.67(1H,s),6.72(1H,dd,J=8.0Hz,2.0Hz),6.81(1H,d,J=2.0Hz),7.23(1H,d,J=8.0Hz),8.65(1H,s)
实施例160
4-(4-氯-3-甲酰氨基苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H19N4O4Cl
产率:68%
m.p.(℃);202~204(dec.)
Mass;403(M+H)+
NMR δ(DMSO-d6);
3.88(3H,s),3.91(3H,s),3.98(3H,s),4.75(2H,d,J=5.6Hz),7.14(1H,dd,J=8.4Hz,2.0Hz),7.42(2H,d,J=8.4Hz),7.52(1H,s),8.15(1H,d,J=2.0Hz),8.32(1H,s),8.35(1H,s),8.67(1H,brs),9.83(1H,brs)
实施例161
4-(3-乙酰氨基-4-氯苄基)氨基-6-氯喹唑啉
分子式:C17H14N4OCl2(361.232)
产率:77%
m.p.(℃);267~268
Mass;361(MH)+
NMR δ(DMSO-d6);
2.06(3H,s),4.74(2H,d,J=5.7Hz),7.17(1H,dd,J=2.0Hz,8.2Hz),7.42(1H,d,J=8.2Hz),7.69(1H,brs),7.72(1H,d,J=9.0Hz),7.81(1H,dd,J=2.4Hz,9.0Hz),8.45(1H,d,J=2.4Hz),8.46(1H,s),8.96(1H,brt,J=5.7Hz),9.48(1H,brs)
实施例162
4-(3,4-二羟苄基)氨基-6,7,8-三甲氧喹唑啉盐酸盐
将30ml1.0M的三氯化硼在二氯甲烷中的溶液于室温搅拌下滴入2.00g(5.41mmol)4-(3,4-亚甲二乙氧苄基)氨基-6,7,8-三甲氧喹唑啉在150ml氯仿的溶液中。所得混合物在室温下搅拌2天,然后加入甲醇,减压蒸除混合物中的溶剂,重复上述过程三次,残余物借助硅胶柱色谱法(氯仿正己烷)提纯。将盐酸/乙醇加入洗脱液中,减压蒸除所得混合物中的溶剂,接着加乙醇。过滤回收如此形成的晶体,得到0.59g标题化合物,为无色针晶。
分子式:C18H19N3O5·HCl
产率:28%
m.p.(℃);204~205(dec.)
Mass;358(M+H)+
NMR δ(DMSO-d6);
3.98(3H,s),3.99(3H,s),3.99(3H,s),4.78(2H,d,J=5.6Hz),6.65~7.71(2H,m),6.79(1H,s),7.94(1H,s),8.71(1H,s),8.90(2H,brs),10.54(1H,brs),14.06(1H,brs)
实施例163
4-(3,4-二羟苄基)氨基-6-氯喹唑啉盐酸盐
将40ml1.0M的三氯化硼在二氯甲烷中的溶液于室温搅拌下滴加到2.00g(6.37mmol)4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉在150ml的氯仿溶液中。所得混合物于室温下搅拌2天,然后加入甲醇,减压蒸除所得混合物中的溶剂。重复上述过程两次。用甲醇洗涤如此沉淀的晶体,在乙醇中重结晶,得到1.53g标题化合物,为黄色晶体。
分子式:C15H12N3O2Cl·HCl
产率:71%
m.p.(℃);154~155(dec.)
Mass;302(M+H)+
NMR δ(DMSO-d6);
4.74(2H,d,J=5.6Hz),7.67(1H,dd,J=8.0Hz,2.0Hz),6.70(1H,d,J=8.0Hz),6.81(1H,d,J=2.0Hz),7.87(1H,d,J=8.8Hz),8.02(1H,dd,J=8.8Hz,2.0Hz),8.76(1H,d,J=2.0Hz),8.85(1H,s),8.90(2H,brs),10.42(1H,brs)
实施例164
2-(2-甲氧乙氧基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
20ml乙二醇单甲基醚和70mg55%氢化钠的混合物加热至100℃,然后加入500mg2,6-二氯-4-(3,4-亚甲二氧苄基)氨基喹唑啉和5ml乙二醇单甲基醚的混合物。加热回流所得混合物2小时,并将其倾入50ml水中。所得混合物用50ml乙酸乙酯萃取两次。有机层用70ml氯化钠水溶液洗两次,硫酸镁干燥,减压浓缩,得到结晶残余物,在乙酸乙酯/正己烷中重结晶得到420mg标题化合物。
分子式:C19H18N3O4Cl
产率:75%
m.p.(℃);138~139
Mass;388(M+1)+
NMR δ(CDCl3);
3.43(3H,s),3.78~3.81(2H,m),4.57~4.61(2H,m),4.73(2H,d,J=5.2Hz),5.72(1H,br),5.96(2H,s),6.79~6.87(3H,m),7.52~7.58(3H,m)
实施例165-177中化合物按实施例162-164所述方法制备。
实施例165
2-甲氧基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C17H14N3O3Cl
产率:15%
m.p.(℃);187~189
Mass;344(M+1)+
NMR δ(CDCl3);
4.03(3H,s),4.50(2H,d,J=5.6Hz),5.91(1H,br),5.96(2H,s),6.78(1H,d,J=7.6Hz),6.81(1H,dd,J=7.6Hz,1.6Hz),6.82(1H,d,J=1.6Hz),7.58~7.60(3H,m)
实施例166
2-甲氧基-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
分子式:C18H14N4O3(334)
产率:23%
m.p.(℃);224(dec.)
Mass;335(M+1)+
NMR δ(DMSO-d6);
3.87(3H,s),4.60(2H,brs),5.95(2H,s),6.84(2H,s),6.95(1H,s),7.55(1H,d,J=8.8Hz),7.94(1H,dd,J=8.8Hz,1.6Hz),8.83(1H,d,J=1.6Hz),9.18(1H,br)
实施例167
2,6,7,8-四甲氧基-4-(3,4-亚甲二氧苄基)-氨基喹唑啉
分子式:C20H21N3O6
产率:28%
m.p.(℃);128~129
Mass;400(M+H)+
NMR δ(CDCl3);
3.91(3H,s),4.04(3H,s),4.07(3H,s),4.14(3H,s),4.75(2H,d,J=5.2Hz),5.51(1H,brs),5.97(2H,s),6.60(1H,s),6.80(1H,d,J=8.0Hz),6.87(1H,dd,J=8.0Hz,2.0Hz),6.90(1H,d,J=2.0Hz)
实施例168
2-(2-羟乙氧基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C18H16N3O4Cl(373.5)
产率:97%
m.p.(℃);191~193
Mass;374(M+1)+
NMR δ(DMSO-d6);
3.65~3.69(2H,m),4.27(2H,dd,J=8.8Hz,5.6Hz),4.60(2H,d,J=5.2Hz),4.82(1H,t,J=5.6Hz),5.95(2H,s),6.81~6.84(2H,m),6.92(1H,s),7.47(1H,d,J=8.8Hz),7.65(1H,dd,J=8.8Hz,2.2Hz),8.34(1H,d,J=2.2Hz),8.82(1H,br)
实施例169
2-(2-羟乙氧基)-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
分子式:C19H16N4O4(364)
产率:94%
m.p.(℃);227~229
Mass;365(M+1)+
NMR δ(DMSO-d6);
3.68(2H,t,J=5.2Hz),4.30(2H,t,J=5.2Hz),4.44(1H,brs),5.97(2H,s),6.82(2H,s),6.95(1H,s),7.54(1H,d,J=8.4Hz),7.95(1H,dd,J=8.4Hz,1.6Hz),8.78(1H,d,J=1.6Hz),9.04(1H,br)
实施例170
2-(2-甲氧乙氧)-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉
分子式:C20H21N3O5(383)
产率:68%
m.p.(℃);118~119
Mass;384(M+1)+
NMR δ(DMSO-d6);
3.26(3H,s),3.60(2H,t,J=4.8Hz),3.61(3H,s),4.33(2H,t,J=4.8Hz),4.63(2H,d,J=6.0Hz),5.95(2H,s),6.81(1H,d,J=7.6Hz),6.84(1H,dd,J=7.6Hz,0.4Hz),6.91(1H,d,J=0.4Hz),7.29(1H,dd,J=8.8Hz,2.8Hz),7.40(1H,d,J=8.8Hz),7.63(1H,d,J=2.8Hz),8.62(1H,br)
实施例171
2-(2-甲氧乙氧)-4-(苯并咪唑-5-基)甲氨基-6-氰基喹唑啉
分子式:C20H18N6O2(374)
产率:68%
m.p.(℃);267(dec.)
Mass;375(M+1)+
NMR δ(DMSO-d6);
3.21(3H,s),3.60(2H,s),4.40(2H,s),4.82(2H,s),7.17~7.66(4H,m),7.94(1H,d,J=9.6Hz),8.16(1H,s),8.81(1H,s),9.15(1H,br)
实施例172
2-丙氧基-4-(3,4-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C22H25N3O6
产率:6%
m.p.(℃);122~123
Mass;428(M+H)+
NMR δ(CDCl3);
1.05(3H,t,J=7.4Hz),1.89(2H,m),3.90(3H,s),4.03(3H,s),4.13(3H,s),4.41(2H,t,J=7.0Hz),4.76(2H,d,J=5.2Hz),5.49(1H,brs),5.97(2H,s),6.60(1H,s),6.80(1H,d,J=8.0Hz),6.87(1H,d,J=8.0Hz),6.90(1H,s)
实施例173
2-(3-羟丙基)-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉
分子式:C19H18N3O4Cl(387.5)
产率:60%
m.p.(℃);118~120
Mass;388(M+1)+
NMR δ(CDCl3);
2.02(2H,tt,J=5.6Hz,5.6Hz),3.70(2H,t,J=5.6Hz),3.95(1H,br),4.66(2H,t,J=5.6Hz),4.71(2H,d,J=5.2Hz),5.95(2H,s),6.08(1H,br),6.77(1H,d,J=8.0Hz),6.83(1H,d,J=8.0Hz),6.85(1H,s),7.51(1H,d,J=8.8Hz),7.56(1H,dd,J=8.8Hz,2.0Hz),7.61(1H,d,J=2.0Hz)
实施例174
2-(4-羟丁氧基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C20H20N3O4Cl(401.5)
产率:23%
m.p.(℃);121~124
Mass;402(M+1)+
NMR δ(CDCl3);
1.47~1.73(4H,m),3.40~3.47(2H,m),4.20(2H,t,J=6.7Hz),4.55(2H,d,J=5.2Hz),5.72(2H,s),6.56(1H,d,J=8.0Hz),6.66(1H,dd,J=8.0Hz,1.6Hz),6.71(1H,d,J=1.6Hz),7.30(2H,s),7.88(1H,brt,J=5.2Hz),7.99(1H,s)
实施例175
2-(4-甲氧丁氧基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C21H22N3O4Cl(415.5)
产率:26%
m.p.(℃);120~123
Mass;416(M+1)+
NMR δ(CDCl3);
1.77(2H,tt,J=8.8Hz,6.8Hz),1.90(2H,tt,J=8.8Hz,6.8Hz),3.34(3H,s),3.44(2H,t,J=6.8Hz),4.44(2H,t,J=6.8Hz),4.72(2H,d,J=5.2Hz),5.71(1H,br),5.96(2H,s),6.79(1H,d,J=8.0Hz),6.84(1H,dd,J=8.0Hz,1.8Hz),6.87(1H,d,J=1.8Hz),7.53~7.59(3H,m)
实施例176
2-(6-羟苄氧基)-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉
分子式:C22H24N3O4Cl(429.5)
产率:66%
m.p.(℃);144~146
Mass;430(M+1)+
NMR δ(CDCl3);
1.14~1.40(6H,m),1.58~1.64(2H,m),3.06(1H,br),3.38(2H,br),4.17(2H,t,J=6.8Hz),4.52(2H,d,J=5.6Hz),5.73(2H,s),6.56(1H,d,J=8.0Hz),6.66(1H,dd,J=8.0Hz,1.6Hz),6.71(1H,d,J=1.6Hz),7.30(2H,s),7.85(1H,br),7.96(1H,s)
实施例177
2-羟氧-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C16H12N3O3Cl(329.5)
m.p.(℃);257(dec.)
NMR δ(DMSO-d6);
4.668(2H,d,J=5.6Hz),5.967(2H,s),6.846~6.905(2H,m),6.995(1H,s),7.821~7.859(2H,m),8.508(1H,s),10.103(1H,br),11.916(1H,s)
实施例178
2-(2,3-羟丙基)氧基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将100mg氢化钠加到300mg5-羟基-2-苯基-1,3-二噁烷和5ml二甲基甲酰胺混合物中,所得混合物加热至80℃。停止鼓泡后,加入300mg2,6-二氯-4-(3,4-亚甲二氧苄基)氨基喹唑啉晶体。所得混合物于140℃加热2小时并冷却,然后加水,混合物用乙酸乙酯萃取。萃取液用硅胶柱色谱法提纯(乙酸乙酯/苯),得到118mg2-(2-苯基-1,3-二噁-5-基)氧基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉。按普通方法用浓盐酸/乙醇水解100mg该化合物,经过重整得到60mg标题化合物。
分子式:C19H18ClN3O5
产率:73%
m.p.(℃);106~107
Mass;404(MH+)
NMR δ(DMSO-d6);
3.42(2H,t,J=5.7Hz),3.79(1H,sextet,J=5Hz),4.17(1H,dd,J=6.6Hz,11.0Hz),4.31(1H,dd,J=4.2Hz,11.0Hz),4.63(2H,d,J=5.7Hz),4.66(1H,t,J=6.0Hz),4.94(1H,d,J=5.3Hz),5.98(2H,s),6.85(2H,s),6.95(1H,s),7.49(1H,d,J=9.0Hz),7.68(1H,dd,J=2.4Hz,9.0Hz),8.37(1H,d,J=2.4Hz),8.83(1H,t,J=5.7Hz)
实施例179
2-(3-羧丙基)氧基-4-(3,4-亚甲二氧苄基)-氨基-6-氰基喹唑啉
将250μl二甲亚砜缓慢滴入事先用冰/丙醇浴冷却的150μl草酰氯和15ml二氯甲烷的混合物中。10分钟后,在相同温度下,滴入500mg2-(2-羟乙基)氧基-4-(3,4-亚甲二氧苄基)氨基-6-氰喹唑啉在1ml二甲亚砜的溶液中,10分钟后,在相同温度下滴入1.4mlN,N-二异丙基乙胺。所得混合物在同一温度下搅拌10分钟,并升至室温。20分钟后,将600mg乙氧羰基亚甲基三苯基正膦晶体加入混合物中进行反应30分钟,接着加水,所得混合物用乙酸乙酯萃取,萃取液借助硅胶柱色谱法(乙酸乙酯/苯)提纯,得到400mg2-(3-乙氧基-羰基-2-丙烯基)氧基-4-(3,4-亚甲二氧苄基)-氨基-6-氰基-喹唑啉(顺/反异构体)。
将上述化合物全部溶解在30ml乙酸乙酯中,常压下催化还原(10%钯/碳)。所得混合物借助硅胶柱色谱(乙酸乙酯/苯)提纯,得到250mg2-(3-乙氧羰基丙基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉(饱和酯)。
将250mg上述饱和酯溶解在50ml乙醇中,然后加入1.7ml1N的氢氧化钠水溶液。所得混合物在室温下加热10小时然后在40℃下加热2小时,冷却,加1.7ml1N的盐酸中和,然后加水,过滤回收形成的晶体,在乙醇/水中重结晶,得到200mg标题化合物。
分子式:C21H18N4O5(406.398)
产率:86%
·m.p.(℃);>290
·Mass;407(MH+)
·NMR δ(DMSO);
1.93(2H,quintet,J=7Hz),2.35(2H,t,J=7.3Hz),4.32(2H,t,J=6.6Hz),4.64(2H,d,J=5.7Hz),5.98(2H,s),6.87(2H,s),6.97(1H,s),7.56(1H,d,J=8.8Hz),7.96(1H,dd,J=1.8Hz,8.8Hz),8.80(1H,d,J=1.8Hz),9.05(1H,t,J=5.7Hz)
实施例180
2-甲硫基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将20mlN,N-二甲基甲酰胺和221mg硫代甲醇钠加到1g2,6-二氯-4-(3,4-亚甲二氧苄基)氨基喹唑啉中,所得混合物在110℃下搅拌1小时,用1N盐酸中和,在室温下搅拌1小时,接着加水。过滤回收沉淀晶体,得到780mg标题化合物。
分子式:C17H14ClN3O2S
产率:76%
·m.p.(℃);214~216
·Mass m/e;360(M+1)
·NMR δ(CDCl3);
2.66(3H,s),4.85(2H,d,J=5.6Hz),5.93(2H,s),6.73(1H,d,J=8.0Hz),6.89(1H,d,J=8.0Hz),6.93(1H,s),7.64(1H,dd,J=8.8Hz,2.0Hz),8.16(1H,d,J=8.8Hz),8.77(1H,d,J=2.0Hz)
实施例181
2-吗啉代-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
将338mg2-氯-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉,435mg吗啉和20ml异丙醇的混合物回流加热3小时,然后加热下加水30ml,过滤回收形成的沉淀,用30ml水和30ml乙酸乙酯洗涤,得到310mg标题化合物。
分子式:C21H19N5O3(389)
产率:80%
·m.p.(℃);270~272(dec.)
·Mass;390(M+1)+
·NMR δ(DMSO-d6);
3.57~3.61(4H,m),3.73~3.79(4H,m),4.57(2H,d,J=5.6Hz),5.95(2H,s),6.82(1H,d,J=8.0Hz),6.85(1H,d,J=8.0Hz),6.93(1H,s),7.27(1H,d,J=8.8Hz),7.74(1H,dd,J=8.8Hz,1.6Hz),8.56(1H,d,J=1.6Hz),8.75(1H,brt,J=5.6Hz)
实施例182-183化合物按上例所述方法制备。
实施例182
2-吗啉代-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C20H19N4O3Cl(398.850)
产率:96%
·m.p.(℃);208~209
·Mass;399(MH)+
·NMR δ(DMSO-d6);
3.61(4H,t,J=5Hz),3.72(4H,t,J=5Hz),4.58(2H,d,J=5.7Hz),5.97(2H,s),6.85(2H,s),6.95(1H,s),7.28(1H,d,J=9.0Hz),7.51(1H,dd,J=2.4Hz,9.0Hz),8.18(1H,d,J=2.4Hz),8.60(1H,t,J=5.7Hz)
实施例183
2-吗啉代-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹唑啉
分子式:C21H20N5O2Cl(407.5)
产率:51%
·m.p.(℃);222~223
·Mass;410(M+1)+
·NMR δ(DMSO-d6);
3.56~3.61(4H,m),3.74~3.80(4H,m),3.80(3H,s),4.58(2H,d,J=5.2Hz),7.27~7.32(2H,m),7.44(1H,d,J=1.6Hz),7.75(1H,dd,J=8.8Hz,1.6Hz),8.55(1H,d,J=1.6Hz),8.80(1H,brt,J=5.2Hz)
实施例184
2-(4-羟哌啶子基)-4-(3,4-亚甲二氧苄基)-氨基-6-氰基喹唑啉
将339mg2-氯-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉,500mg4-羟基哌啶和20mlN,N-二甲基甲酰胺的混合物加热回流5小时,倾入50ml水中,然后加入50ml乙酸乙酯。滤除混合物中的不溶物。滤液中的有机层用硫酸镁干燥,减压浓缩得到结晶残余物。残余物用氯仿洗涤,得到145mg标题化合物。
分子式:C22H21N5O3(403)
产率:36%
·m.p.(℃);229
·Mass;404(M+1)+
·NMR δ(DMSO-d6);
1.19~1.30(2H,m),1.64~1.77(2H,m),3.21~3.30(2H,m),3.63~3.75(1H,m),4.34~4.38(2H,m),4.55(2H,d,J=5.6Hz),4.66(1H,d,J=4.0Hz),5.94(2H,s),6.80~6.86(2H,m),6.93(1H,d,J=0.8Hz),7.24(1H,d,J=8.4Hz),7.70(1H,dd,J=8.4Hz,1.6Hz),8.52(1H,d,J=1.6Hz),8.70(1H,br)
实施例185-191中的化合物按上例所述方法制备。
实施例185
2-(4-羟哌啶子基)-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉
分子式:C21H21N4O3Cl(412.877)
产率:56%
·m.p.(℃);157~158
·Mass;413(MH+)
·NMR δ(DMSO-d6);
1.2~1.3(2H,m),1.6~1.8(2H,m),3.1~3.2(2H,m),3.6~3.7(1H,m),4.3~4.4(2H,m),4.55(2H,d,J=5.7Hz),4.65(1H,d,J=4.4Hz),5.96(2H,s),6.84(2H,s),6.95(1H,s),7.24(1H,d,J=9.0Hz),7.47(1H,dd,J=2.4Hz,9.0Hz),8.13(1H,d,J=2.4Hz),8.53(1H,t,J=5.7Hz)
实施例186
2-(4-羟哌啶子基)-4-(3-氯-4-甲氧苄基)-氨基-6-氰基喹唑啉
分子式:C22H22N5O2Cl(423.5)
产率:80%
·m.p.(℃);207~208
·Mass;424(M+1)+
·NMR δ(DMSO-d6);
1.18~1.30(2H,m),1.65~1.76(2H,m),3.21~3.33(2H,m),3.30(3H,s),3.64~3.72(1H,m),4.29~4.37(2H,m),4.57(2H,d,J=5.6Hz),4.66(1H,d,J=1.8Hz),7.07(1H,d,J=8.4Hz),7.24(1H,d,J=8.8Hz),7.29(1H,dd,J=8.4Hz,2.0Hz),7.43(1H,d,J=2.0Hz),7.71(1H,dd,J=8.8Hz,2.0Hz),8.51(1H,d,J=2.0Hz),8.74(1H,brt,J=1.8Hz)
实施例187
2-(2-羟乙基)氨基-4-(3,4-亚甲二氧苄基)-氨基-6,7,8-三甲氧喹唑啉
分子式:C21H24N4O6
产率:38%
m.p.无定形
·m.p.(℃);amorphous
·Mass;429(M+H)+
·NMR δ(CDCl3);
3.60(2H,m),3.88(3H,s & 1H,m),3.99(3H,s),4.01(3H,s),4.67(2H,d,J=5.6Hz),5.32(1H,brs),5.53(1H,brs),5.97(2H,s),6.55(1H,s),6.80(1H,d,J=8.0Hz),6.85(1H,d,J=8.0Hz),6.89(1H,s)
实施例188
2-(2-羟乙基)氨基-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉
分子式:C18H17N4O3Cl
产率:47%
·m.p.(℃);138~139
·Mass m/e;373(M+1)
·NMR δ(CDCl3(+DMSO-d6));
3.60(2H,m),3.79(2H,t,J=4.8Hz),4.65(2H,d,J=5.2Hz),5.94(2H,s),6.76(1H,d,J=8.0Hz),6.85(1H,dd,J=8.0Hz,2.0Hz),6.90(1H,d,J=2.0Hz),7.34(1H,d,J=8.8Hz),7.44(1H,dd,J=8.8Hz,2.4Hz),8.02(2H,brs)
实施例189
2-〔N-(2-羟乙基)-N-甲氨基〕-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C19H19N4O3Cl
产率:48%
·m.p.(℃);146~148
·Mass m/e;387(M+1)
·NMR δ(CDCl3(+DMSO-d6));
3.27(3H,s),3.82(2H,t,J=4.8Hz),3.89(2H,t,J=4.8Hz),4.67(2H,d,J=5.6Hz),5.95(2H,s),6.77(1H,d,J=8.0Hz),6.86(1H,dd,J=8.0Hz,1.6Hz),6.90(1H,d,J=1.6Hz),7.43(2H,m),7.76(1H,brs)
实施例190
2-(2-羟甲基吡咯烷-1-基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C21H21N4O3Cl(412.877)
产率:70%
·m.p.(℃);182~183
·Mass;413(MH+)
·NMR δ(DMSO-d6);
1.8~2.0(4H,br 2 peaks),3.4~3.7(3H,br 2 peaks),4.1~4.2(1H,brs),4.58(2H,d,J=5.8Hz),5.96(2H,s),6.84(1H,d,J=8.0Hz),6.88(1H,dd,J=1.3Hz,8.0Hz),6.96(1H,d,J=1.3Hz),7.23(1H,d,J=8.8Hz),7.47(1H,dd,J=2.4Hz,8.8Hz),8.15(1H,d,J=2.4Hz),8.4~8.6(1H,brs)
实施例191
2-双(2-羟乙基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C20H21N4O4Cl(416.865)
产率:56%
·m.p.(℃);167~168
·Mass;417(MH+)
·NMR δ(DMSO-d6);
3.5~3.7(8H,br 2 peaks),4.56(2H,d,J=5.7Hz),5.96(2H,s),6.85(2H,s),6.93(1H,s),7.22(1H,d,J=9.0Hz),7.47(1H,dd,J=2.4Hz,9.0Hz),8.15(1H,d,J=2.4Hz),8.55(1H,brt,J=5.7Hz)
实施例192
2-(1-咪唑基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将103mg咪唑于0℃加到66mg氢化钠在二甲基甲酰胺的悬浮液中。所得混合物搅拌10分钟。于室温将500mg2,6-二氯-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉加到所得混合物。混合物于100℃搅拌20分钟,然后加水。过滤回收沉淀的晶体,分别用水和乙醇/丙酮洗涤,得到325mg标题化合物。
分子式:C19H14N5O2Cl
产率:59%
·m.p.(℃);275~276(dec.)
·Mass m/e;380(M+1)
·NMR δ(DMSO-d6);
4.74(2H,d,J=5.6Hz),5.96(2H,s),6.85(1H,d,J=8.0Hz),6.95(1H,dd,J=8.0Hz,1.6Hz),7.03(1H,d,J=1.6Hz),7.08(1H,d,J=1.2Hz),7.68(1H,d,J=8.8Hz),7.78(1H,dd,J=8.8Hz,2.4Hz),7.94(1H,d,J=1.2Hz),8.47(1H,d,J=2.4Hz),8.58(1H,t,J=2.4Hz),9.28(1H,t,J=5.6Hz)
实施例193-197化合物按上例所述方法制备。
实施例193
2-(咪唑-1-基)-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
分子式:C20H14N6O2(370)
产率:81%
·m.p.(℃);>290
·Mass;371(M+1)+
·NMR δ(DMSO-d6);
4.74(2H,d,J=6.0Hz),5.95(2H,s),6.86(1H,d,J=8.0Hz),6.95(1H,dd,J=8.0Hz,1.6Hz),7.04(1H,d,J=1.6Hz),7.09(1H,d,J=1.6Hz),7.73(1H,d,J=8.4Hz),7.95(1H,d,J=1.6Hz),8.06(1H,dd,J=8.4Hz,1.6Hz),8.61(1H,d,J=1.6Hz),8.87(1H,d,J=1.6Hz),9.47(1H,brt,J=6.0Hz)
实施例194
2-戊氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C21H23N4O2Cl
产率:97%
·m.p.(℃);194~195
·Mass m/e;399(M+1)
·NMR δ(CDCl3);
0.86(3H,t,J=7.2Hz),1.29(4H,m),1.58(2H,quintet,J=6.8Hz),3.47(2H,q,J=6.8Hz),4.78(2H,d,J=5.6Hz),5.87(2H,s),6.66(1H,d,J=8.0Hz),6.89(1H,d,J=8.0Hz),6.94(1H,s),7.26(1H,d,J=8.8Hz),7.41(1H,d,J=8.8Hz),7.90(1H,t,J=5.6Hz),8.55(1H,s),9.53(1H,brs)
实施例195
2-(2-氨乙基)氨基-4-(3,4-亚甲二氧苄基)-氨基-6,7,8-三甲氧喹唑啉
分子式:C21H25N5O5
产率:87%
m.p.无定形
·Mass;428(M+H)+
·NMR δ(CDCl3);
1.44(2H,s),2.93(2H,t,J=6.0Hz),3.57(2H,brs),3.88(3H,s),4.00(3H,s),4.07(3H,s),4.70(2H,d,J=4.8Hz),5.16(1H,brs),5.51(1H,brs),5.96(2H,s),6.56(1H,s),6.80(1H,d,J=8.0Hz),6.86(1H,d,J=8.0Hz),6.90(1H,s)
实施例196
2-肼基-4-(3,4-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉
分子式:C19H21N5O5
产率:12%
m.p.油状物
·m.p.(℃);oily substance
·Mass;400(M+H)+
·NMR δ(CDCl3);
3.88(3H,s),3.99(3H,s),4.05(3H,s),4.66(2H,d,J=3.6Hz),5.92(2H,s),6.75(1H,d,J=8.0Hz),6.83(1H,d,J=8.0Hz),6.87(1H,s),7.04(2H,brs)
实施例197
2-(氨基甲酰甲基)氨基-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉
分子式:C18H16N5O3Cl
产率:63%
·m.p.(℃);259~260(dec.)
·Mass m/e;386(M+1)
·NMR δ(DMSO-d6);
4.02(2H,d,J=4.8Hz),4.66(2H,d,J=5.6Hz),5.97(2H,s),6.86(1H,d,J=8.0Hz),6.91(1H,d,J=8.0Hz),6.99(1H,s),7.19(1H,s),7.50(1H,d,J=8.8Hz),7.61(1H,s),7.83(1H,d,J=8.8Hz),8.09(1H,brs),8.49(1H,brs),10.03(1H,brs)
实施例198
2-(3,4-亚甲二氧苄基)氨基-4,6,7,8-四甲氧喹唑啉
将1.00g(3.51mmol)2-氯-4,6,7,8-四甲氧喹唑啉,0.60g(3.97mmol)胡椒胺和0.60g碳酸钠与30ml异丙醇混合。所得混合物回流加热24小时,减压蒸除溶剂,残余物借助硅胶柱色谱法(乙酸乙酯/正己烷)提纯,得到0.12g标题化合物,为油状物。
分子式:C20H21N3O6
产率:9%
m.p.油状物
·NMR δ(CDCl3);
3.91(3H,s),4.02(3H,s),4.04(6H,s),4.63(2H,d,J=6.0Hz),5.30(1H,brs),5.93(2H,s),6.75(1H,d,J=8.0Hz),6.86(1H,dd,J=8.0Hz,1.6Hz),6.92(1H,d,J=1.6Hz),7.06(1H,s)
实施例199
2-氯-4,6,7,8-四甲氧喹唑啉
将5.00g(17.3mmol)2,4-二氯-6,7,8-三甲氧喹唑啉悬浮于100ml甲醇中,然后逐渐加入1.5g氢化钠,加热回流所得混合物。几小时后,减压浓缩反应混合物,接着加水。过滤回收沉淀的晶体,水洗,空气干燥,得到4.80g标题化合物,为浅红晶体。
产率:97%
·m.p.(℃);119~120
·Mass;285(M+1)+
·NMR δ(CDCl3);
3.98(3H,s),4.06(3H,s),4.12(3H,s),4.19(3H,s),7.17(1H,s)
实施例200
2-氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将2.0g2,6-二氯-4-(3,4-亚甲二氧苄基)氨基喹啉于50ml乙醇氨中的溶液在压力釜中加热至120℃18小时,冷却,减压浓缩。借助硅胶柱色谱法(氯仿/甲醇(9∶1))提纯混合物,得到830mg标题化合物。
分子式:C16H13N4O2Cl
产率:44%
·m.p.(℃);285(dec.)
·Mass;329(M+1)+
·NMR δ(CDCl3);
4.67(2H,d,J=5.6Hz),4.98(2H,br),5.74(1H,br),5.96(2H,s),6.78(1H,d,J=7.6Hz),6.83(1H,dd,J=7.6Hz,1.6Hz),6.86(1H,d,J=1.6Hz),7.38(1H,d,J=9.6Hz),7.46~7.49(2H,m)
实施例201
2-氨基-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
按实施例199和200所述方法制备标题化合物。
分子式:C17H13N5O2(319)
产率:60%
·m.p.(℃);284(dec.)
·Mass;320(M+1)+
·NMR δ(CDCl3);
4.31(2H,d,J=5.6Hz),5.25(2H,brs),5.58(2H,s),6.40(1H,d,J=7.6Hz),6.51(1H,dd,J=7.6Hz,1.2Hz),6.57(1H,d,J=1.2Hz),6.95(1H,d,J=8.4Hz),7.25(1H,dd,J=8.4Hz,1.6Hz),8.00(1H,br),8.20(1H,d,J=1.6Hz)
实施例202
2-(甲基氨基甲酰基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将4ml二甲亚砜和260mg异氰酸甲酯加到500mg2-氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉中。所得混合物于50℃搅拌3小时,减压蒸除过量的异氰酸甲酯,接着加氯仿和水,过滤混合物,滤液用氯仿洗两次。合并有机层,水洗两次,硫酸干燥,减压蒸除溶剂,残余物借助硅胶柱色谱法提纯(苯/丙酮)在苯/氯仿/乙醇中重结晶,得到72mg标题化合物。
分子式:C18H16N5O3Cl
产率:12%
·m.p.(℃);245~247
·Mass m/e;386(M+1)
·NMR δ(DMSO-d6);
2.75(3H,d,J=4.4Hz),4.56(2H,d,J=6.0Hz),5.95(2H,s),6.82(1H,d,J=8.4Hz),6.92(1H,d,J=8.4Hz),7.11(1H,s),7.56(1H,d,J=8.8Hz),7.67(1H,dd,J=8.8Hz,1.6Hz),8.27(1H,d,J=1.6Hz),8.90(1H,t,J=6.0Hz),9.20(1H,s),9.38(1H,d,J=4.4Hz)
实施例203和204中的化合物按上例所述方法制备。
实施例203
2-双(甲基氨基甲酰基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C20H19N6O4Cl
产率:8%(45mg)
·m.p.(℃);243~245
·Mass m/e;443(M+1)
·NMR δ(DMSO-d6);
2.71(6H,d,J=4.8Hz),4.53(2H,d,J=6.0Hz),5.94(2H,s),6.80(1H,d,J=8.0Hz),6.85(1H,d,J=8.0Hz),6.95(1H,s),7.66(1H,d,J=8.8Hz),7.72(1H,dd,J=8.8Hz,2.0Hz),8.32(1H,dd,J=2.0Hz),8.85(1H,dd,J=4.8Hz),9.01(1H,t,J=6.0Hz)
实施例204
2-(正丁基氨基甲酰基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C21H22N5O3Cl
产率:40%
·m.p.(℃);209~210
·Mass m/e;428(M+1)
·NMR δ(DMSO-d6);
0.89(3H,t,J=7.2Hz),1.33(2H,sextet,J=7.2Hz),1.45(2H,quintet,J=7.2Hz),3.18(2H,t,J=7.2Hz),4.56(2H,d,J=6.0Hz),5.95(2H,s),6.83(1H,d,J=8.0Hz),6.91(1H,d,J=8.0Hz),7.09(1H,s),7.46(1H,d,J=8.8Hz),7.66(1H,dd,J=8.8Hz,2.0Hz),8.27(1H,d,J=2.0Hz),8.90(1H,t,J=6.0Hz),9.17(1H,s),9.58(1H,t,J=7.2Hz)
实施例205
2-(4-乙氧羰基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
3.61g异哌啶酸甲酯,2.32g三乙胺和5ml2-丙醇加到1g2,6-二氯-4-(3,4-亚甲二氧苄基)-氨基喹唑啉(实施例92)中。所得混合物回流100分钟,所得混合物用氯仿萃取两次,合并有机层,水洗,硫酸镁干燥,蒸除溶剂,残余物重结晶(乙醇/水),得到1.31g标题化合物。
分子式:C24H25ClN4O4
产率:97%
·m.p.(℃);118~119
·Mass;469(M+1)
·NMR δ(DMSO-d6);
1.18(3H,t,J=7.2Hz),1.42(2H,m),2.58(1H,m),2.98(2H,m),4.06(2H,q,J=7.2Hz),4.56(2H,m,J=5.6Hz),4.62(2H,m),5.96(2H,s),6.82(1H,d,J=8.0Hz),6.86(1H,dd,J=8.0Hz,1.6Hz),6.94(1H,d,J=1.6Hz),7.26(1H,d,J=9.2Hz),7.48(1H,dd,J=9.2Hz,2.4Hz),8.15(1H,d,J=2.4Hz),8.56(1H,brt,J=5.6Hz)
实施例206
2-(4-乙氧羰基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉盐酸盐
从实施例205制备的2-(4-乙氧羰基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉和乙醇-盐酸-乙醇中,制备标题化合物。
分子式:C24H25ClN4O4·HCl
产率:97%
·m.p.(℃);174~175
·NMR δ(DMSO-d6);
1.20(3H,t,J=7.2Hz),1.59(2H,m),1.97(2H,m),2.75(1H,m),3.31(2H,m),4.09(2H,q,J=7.2Hz),4.53(2H,m),4.67(2H,d,J=5.6Hz),5.98(2H,s),6.86(1H,d,J=8.0Hz),6.90(1H,dd,J=8.0Hz,1.6Hz).7.01(1H,d,J=1.6Hz),7.83(1H,dd,J=8.8Hz,2.0Hz),7.91(1H,d,J=8.8Hz),8.52(1H,d,J=2.0Hz),10.15(1H,brs),12.28(1H,brs)
实施例207
2-(4-乙氧羰基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
3.71g异哌啶酸甲酯,2.38g三乙胺和10ml2-丙醇加入1g2-氯-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉中。将所得混合物回流1小时,冷却至室温,过滤回收沉淀的晶体,水洗和乙醚洗涤,得到1.126g标题化合物。
分子式:C25H25N5O4
产率:83%
·m.p.(℃);192~193
·Mass;460(M+1)
·NMR δ(CDCl3);
1.26(3H,t,J=7.2Hz),1.71(2H,m),1.99(2H,m),2.59(1H,m),3.12(2H,brt,J=12.0Hz),4.15(2H,q,J=7.2Hz),4.67(2H,d,J=5.2Hz),4.82(2H,dt,J=13.2Hz,3.6Hz),5.96(2H,s),6.79(1H,d,J=8.0Hz),6.85(1H,dd,J=8.0Hz,1.6Hz),6.88(1H,d,J=1.6Hz),7.42(1H,brs),7.61(1H,dd,J=8.8Hz,1.6Hz),7.84(1H,brs)
实施例208
2-(4-乙氧羰基哌啶子基)-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹唑啉
3.5g异哌啶酸乙酯,2.25g三乙胺和30ml2-丙醇加到1g2-氯-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹唑啉中。所得混合物回流30分钟,冷却至室温,过滤回收沉淀的晶体,用水和乙醚分别洗涤,得到1.13g标题化合物。
分子式:C25H26N5O3Cl
产率:85%
m.p.(℃);202~203
Mass;480(M+1)
NMR δ(CDCl3);
1.26(3H,t,J=7.2Hz),1.72(2H,m),1.99(2H,m),2.59(1H,m),3.13(2H,brt,J=11.2Hz),3.90(3H,s),4.15(2H,q,J=7.2Hz),4.69(2H,d,J=5.6Hz),4.80(2H,m),6.91(1H,d,J=8.4Hz),7.25(1H,dd,J=8.4Hz,2.4Hz),7.42(1H,d,J=2.4Hz),7.43(1H,brs),7.61(1H,dd,J=8.8Hz,1.6Hz),7.87(1H,brs)
实施例209
2-(N-(3-乙氧羰基丙基)-N-甲氨基〕-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
858mgN-甲基-4-氨基丁酸乙酯盐酸盐,238mg三乙胺,4ml2-丙醇和2mlN,N-二甲基甲酰胺加到400mg2-氯-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉中,所得混合物回流1小时,冷却至室温,过滤。减压蒸除滤液中的溶剂,残余物重结晶(乙醇/水),得到410mg标题化合物。
分子式:C24H25N5O4
产率:78%
m.p.(℃);152~153
Mass;448(M+1)
NMR δ(CDCl3);
1.22(3H,t,J=6.8Hz),1.97(2H,brs),2.30(2H,brs),3.24(3H,s),3.75(2H,brs),4.10(2H,q,J=6.8Hz),4.68(2H,d,J=5.2Hz),5.96(2H,s),6.79(1H,d,J=8.0Hz),6.84(1H,d,J=8.0Hz),6.87(1H,s),7.42(1H,brs),7.60(1H,d,J=8.8Hz),7.81(1H,brs)
实施例210-221中的化合物按实施例205-209所述方法制备。
实施例210
2-(4-乙氧羰基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6,7,8-三甲氧喹唑啉盐酸盐
分子式:C27H32N4O7·HCl
产率:65%
m.p.(℃);148~150
Mass;525(M+1)
NMR δ(CDCl3);
1.275(3H,t,J=7.2Hz),1.76(2H,m),2.03(2H,m),2.63(1H,m),3.38(2H,m),3.99(3H,s),4.08(3H,s),4.12(3H,s),4.17(2H,q,J=7.2Hz),4.28(2H,m),4.63(2H,d,J=6.0Hz),5.88(2H,s),6.68(1H,d,J=8.0Hz),6.92(1H,dd,J=8.0Hz,1.6Hz),6.97(1H,d,J=1.6Hz),8.23(1H,s),9.38(1H,brs),11.1(1H,s)
实施例211
2-(4-乙氧羰基哌啶子基)-4-(3-氯-4-甲氧基苄基)氨基-6,7,8-三甲氧基喹唑啉
分子式:C27H33N4O6Cl·HCl
产率:93%
m.p.(℃);177~178
Mass;545(M+1)
NMR δ(CDCl3);
1.27(3H,t,J=7.2Hz),1.80(2H,m),2.06(2H,m),2.67(1H,m),3.40(2H,m),3.82(3H,s),3.98(3H,s),4.07(3H,s),4.11(3H,s),4.17(2H,q,J=7.2Hz),4.27(2H,m),4.65(2H,d,J=6.0Hz),6.84(1H,d,J=8.8Hz),7.40(1H,d,J=2.0Hz),7.48(1H,dd,J=8.8Hz,2.0Hz),8.23(1H,s),9.26(1H,s),11.27(1H,brs)
实施例212
2-(4-乙氧羰基哌啶子基)-4-(3-氯-4-甲氧苄基)氨基-6-氯喹唑啉盐酸盐
分子式:C24H26N4O3Cl2·HCl
产率:97%
m.p.(℃);201~204
Mass;489(M+1)
NMR δ(DMSO-d6);
1.17(3H,t,J=7.2Hz),1.56(2H,m),1.93(2H,m),2.71(1H,m),3.30(2H,m),3.80(3H,s),4.06(2H,q,J=7.2Hz),4.48(2H,m),4.66(2H,d,J=5.2Hz),7.09(1H,d,J=8.4Hz),7.34(1H,dd,J=8.4Hz,2.0Hz),7.49(1H,d,J=2.0Hz),7.83(2H,brs),8.48(1H,brs),10.8(1H,brs)
实施例213
2-(乙氧羰基甲基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C20H19N4O4Cl
产率:55%
m.p.(℃);218~219(dec.)
Mass m/e;415(M+1)
NMR δ(DMSO-d6);
1.13(3H,t,J=7.2Hz),4.07(2H,q,J=7.2Hz),4.18(2H,brs),4.63(2H,brd,J=4.0Hz),5.97(2H,s),6.85~6.92(3H,m),7.53(1H,brs),7.84(1H,brd,J=8.0Hz),8.35(1H,brs),8.50(2H,m)
实施例214
2-(3-乙氧羰基丙基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C22H23N4O4Cl
产率:44%
m.p.(℃);96~98
Mass m/e;443(M+1)
NMR δ(CDCl3);
1.24(3H,t,J=6.8Hz),1.96(2H,quintent,J=7.2Hz),2.41(2H,t,J=7.2Hz),3.54(2H,q,J=7.2Hz),4.12(2H,q,J=6.8Hz),4.66(2H,q,J=5.2Hz),5.97(2H,s),6.79(1H,d,J=8.0Hz),6.84(1H,d,J=8.0Hz),6.87(1H,s),7.30(1H,d,J=8.0Hz),7.44(1H,s),7.47(1H,d,J=8.0Hz)
实施例215
2-〔N-(3-乙氧羰基丙基)-N-甲氨基〕-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉盐酸盐
分子式:C23H25N4O4Cl·HCl
产率:67%
m.p.(℃);182~183
Mass;457(M+1)
NMR δ(CDCl3+DMSO-d6);
1.23(3H,t,J=7.2Hz),1.90(2H,brs),2.25(2H,brs),2.84(3H,brs),3.56(2H,brs),4.10(2H,q,J=7.2Hz),4.70(2H,d,J=5.6Hz),5.94(2H,s),6.76(1H,d,J=7.6Hz),6.87(2H,m),7.54(1H,dd,J=9.2Hz,2.0Hz),8.40(1H,d,J=2.0Hz),8.66(1H,d,J=9.2Hz),9.69(1H,brs)
实施例216
2-(5-乙氧羰基戊基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C24H27N4O4Cl
产率:46%
m.p.(℃);109~110
Mass m/e;471(M+1)
NMR δ(CDCl3);
1.25(3H,t,J=7.2Hz),1.43(2H,quintet,J=7.6Hz),1.66(4H,m),2.31(2H,t,J=7.6Hz),3.49(2H,q,J=7.6Hz),4.12(2H,q,J=7.2Hz),4.68(2H,d,J=5.2Hz),5.97(2H,s),6.79(1H,d,J=8.0Hz),6.84(1H,d,J=8.0Hz),6.87(1H,s),7.43(3H,m)
实施例217
(S)-2-(N-2-乙氧羰基吡咯烷-1-基)-4-(3,4-亚甲二氧苄基)-6-氯喹唑啉盐酸盐
分子式:C23H23N4O4Cl·HCl
产率:52%
m.p.(℃);206~208
Mass;455(M+1)
NMR δ(CDCl3);
1.19(3H,t,J=7.2Hz),2.17(3H,m),2.32(1H,m),4.12(2H,m),4.24(2H,m),4.62(2H,m),4.67(1H,m),5.93(2H,s),6.77(1H,d,J=8.0Hz),6.86(1H,dd,J=8.0Hz,1.6Hz),6.89(1H,d,J=1.6Hz),7.54(1H,d,J=8.8Hz),8.38(1H,s),8.64(1H,d,J=8.8Hz),9.67(1H,brs),13.38(1H,brs)
实施例218
2-(N-乙氧羰甲基-N-甲氨基)-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
分子式:C22H21N5O4
产率:75%
m.p.(℃);171~172
Mass;420(M+1)
NMR δ(DMSO-d6);
1.12(3H,m),3.18(3H,s),4.03(2H,m),4.38(2H,m),4.51(2H,m),5.95(2H,s),6.84(3H,m),7.30(1H,m),7.76(1H,m),8.58(1H,s),8.79(1H,m)
实施例219
2-〔N-乙基-N-(3-乙氧羰基丙基)氨基〕-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
分子式:C25H27N5O4(461.522)
产率:61%
·m.p.(℃);142~143
·Mass;462(M+1)
·NMR δ(DMSO-d6);
1.0~1.15(3H,br 2 peaks),1.13(3H,t,J=7.1Hz),1.65~1.9(2H,br 2 peaks),2.15~2.35(2H,br 2 peaks),3.58(4H,brs),4.01(2H,q,J=7.1Hz),4.58(2H,d,J=5.7Hz),5.96(2H,s),6.84(2H,s),6.93(1H,s),7.25(1H,brs),7.72(1H,dd,J=1.8Hz,8.8Hz),8.56(1H,d,J=1.8Hz),8.72(1H,t.J=5.7Hz)
实施例220
2-〔N-(3-乙氧羰基丙基)-N-甲氨基〕-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹唑啉
分子式:C24H26N5O3Cl
产率:72%
m.p.(℃);127~128
·Mass;468(M+1)
·NMR δ(DMSO-d6);
1.11(3H,t,J=7.2Hz),1.74(2H,brs),2.14(2H,brs),3.09(3H,s),3.62(2H,brs),3.81(3H,s),3.98(2H,q,J=7.2Hz),4.61(2H,d,J=6.0Hz),7.07(1H,d,J=8.8Hz),7.20~7.36(2H,m),7.42(1H,s),7.72(1H,d,J=8.8Hz),8.55(1H,s),8.75(1H,t,J=6.0Hz)
实施例221
(S)-2-(N-2-乙氧羰基吡咯烷-1-基)-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉盐酸盐
分子式:C24H23N5O4·HCl
产率:44%
·m.p.(℃)231~232
·Mass;446(M+1)
·NMR δ(CDCl3);
1.21(3H,t,J=7.2Hz),2.19(3H,m),2.36(1H,m),4.15(2H,m),4.28(2H,m),4.62(2H,m),4.76(1H,m),5.95(2H,s),6.79(1H,d,J=8.0Hz),6.86(1H,d,J=8.0Hz),6.88(1H,s),7.80(1H,dd,J=8.8Hz,1.6Hz),8.82(1H,d,J=1.6Hz),8.87(1H,d,J=8.8Hz),9.85(1H,brs),13.81(1H,s)
实施例222
2-(4-羧哌啶子基)-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉
10ml乙醇,5ml水和820mg氢氧化钠加到1g2-(4-乙氧羰基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉中。所得混合物回流20分钟,减压浓缩,用1N盐酸中和,过滤回收沉淀的晶体,得到920mg标题化合物。
分子式:C22H21N4O4Cl
产率:98%
·m.p.(℃);221~222
·Mass m/e;441(M+1)
·NMR δ(DMSO-d6);
1.38(2H,m),1.80(2H,dd,J=13.2Hz,2.4Hz),2.48(1H,m),2.96(2H,t,J=12.0Hz),4.54(2H,d,J=5.6Hz),4.56(2H,dt,J=12.0Hz,3.2Hz),5.94(2H,s),6.81(1H,d,J=8.0Hz),6.84(1H,d,J=8.0Hz),6.93(1H,s),7.24(1H,d,J=9.2Hz),7.46(1H,dd,J=9.2Hz,2.0Hz),8.13(1H,d,J=2.0Hz),8.55(1H,t,J=5.6Hz)
实施例223
2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉钠
12ml1N的氢氧化钠水溶液和40ml水加到5.00g(11.3mmol)2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉(实施例222)中。加热溶解所得混合物,静置冷却。过滤回收沉淀的晶体,用少量水洗涤,在五氧化磷存在下真空干燥,得到4.34g标题化合物。
分子式:C22H20ClN4O4Na
产率:98%
·NMR δ(DMSO-d6);
1.42(2H,m),1.73(2H,m),2.06(1H,m),2.95(2H,m),4.52(2H,m),4.56(2H,d,J=5.6Hz),5.95(2H,s),6.81(1H,d,J=8.0Hz),6.86(1H,dd,J=8.0Hz,1.6Hz),6.95(1H,d,J=1.6Hz),7.22(1H,d,J=9.2Hz),7.44(1H,dd,J=9.2Hz,2.4Hz),8.13(1H,d,J=2.4Hz),8.58(1H,brt,J=5.6Hz)
实施例224
2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉钾
12.5ml1N的氢氧化钾水溶液和40ml水加到5.50g(12.5mmol)2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基氨基)-6-氯喹唑啉(实施例222)加入溶解所得混合物,过滤,真空浓缩滤液。将乙醇和乙醚加到残余物中得到沉淀晶体,过滤回收晶体,乙醚洗涤,在五氧化磷存在下真空干燥,得到4.69g标题化合物。
分子式:C22H20ClN4O4K
产率:78%
m.p.(℃);230~234(dec.)
NMR δ(DMSO-d6);
1.39(2H,m),1.69(2H,m),1.96(1H,m),2.94(2H,m),4.48(2H,m),4.55(2H,d,J=5.6Hz),5.96(2H,s),6.81(1H,d,J=8.0Hz),6.86(1H,dd,J=8.0Hz,1,6Hz),6.94(1H,d,J=1.6Hz),7.22(1H,d,J=8.8Hz),7.43(1H,dd,J=8.8Hz,2,4Hz),8.11(1H,d,J=2.4Hz),8.50(1H,brt,J=5.6Hz)
实施例225
2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉盐酸盐
将2.00g(4.54mmol)2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)-6-氯喹唑啉(实施例222)通过加热溶解在25ml四氢呋喃和25ml乙醇中,接着滴加1.0ml 8M的盐酸乙醇溶液。所得混合物静置冷却以沉淀出晶体。过滤回收晶体,四氢呋喃洗涤,空气干燥,得到1.87g标题化合物。
分子式:C22H21N4O4Cl·HCl
产率:86%
m.p.(℃);284~286
·NMR δ(DMSO-d6);
1.58(2H,m),1.96(2H,m),2.65(1H,m),3.3(2H,m),4.47(2H,m),4.67(2H,d,J=5.6Hz),5.98(2H,s),6.87(1H,d,J=8.0Hz),6.90(1H,dd,J=8.0Hz,1,6Hz),7.00(1H,d,J=1.6Hz),7.83(2H,brs),8.49(1H,brs),10.09(1H,brs),12.11(1H,brs),12.40(1H,brs)
实施例226
2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉甲磺酸盐
2.00g(4.54mmol)2-(4-羧基哌啶子基)-4-(3,4-亚甲苄基氨基)-6-氯喹唑啉(实施例222)通过加热溶解在25ml四氢呋喃和25ml乙醇混合物中,接着滴加0.31ml(4.78mmol)甲磺酸。所得混合物静置冷却以沉淀出晶体。过滤回收晶体,四氢呋喃洗涤,空气干燥,得到2.21g标题化合物。
分子式:
产率:91%
m.p.(℃);265~266
NMR δ(DMSO-d6);
1.59(2H,m),1.97(2H,m),2.32(3H,s),2.65(1H,m),3.3(2H,m),4.40(2H,m),4.68(2H,d,J=5.6Hz),5.98(2H,s),6.87(1H,d,J=8.0Hz),6.90(1H,dd,J=8.0Hz,1,6Hz),6.98(1H,d,J=1.6Hz),7.67(1H,d,J=8.8Hz),7.84(1H,dd,J=8.0Hz,2.0Hz),8.42(1H,d,J=2.0Hz),9.95(1H,brs),11.76(1H,brs),12.37(1H,brs)
实施例227
2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
将20ml乙醇和2.0ml1N的氢氧化钠溶液加到318mg2-(4-乙氧羰基哌啶子基)-4-(3,4-亚甲二氨苄基)氨基-6-氰基喹唑啉中。所得混合物于50℃搅拌30分钟,并用1N盐酸中和。过滤回收形成的晶体,借硅胶柱色谱(氯仿/甲醇)提纯,得到116mg标题化合物。
分子式:C23H21N5O4
产率:39%
m.p.(℃);269~271
Mass m/e;432(M+1)
NMR δ(DMSO-d6);
1.40(2H,m),1.79(2H,m),2.41(1H,m),3.04(1H,dt,J=11.2Hz,1.2Hz),4.55(2H,d,J=5.6Hz),4.57(2H,m),5.95(2H,s),6.82(1H,d,J=8.0Hz),6.84(1H,d,J=8.0Hz),6.94(1H,s),7.25(1H,d,J=8.8Hz),7.71(1H,d,J=8.8Hz),8.53(1H,s),8.72(1H,t,J=5.6Hz)
实施例228
2-(4-羧基哌啶子基)-4-(3-氯-4-甲氧苄基)-氨基-6-氰基喹唑啉
将30ml四氢呋喃,30ml乙醇和14ml1N的氢氧化钠溶液加到1.0g2-(4-乙氧羰基哌啶子基)-4-(3-氯-4-甲氨苄基)氨基-6-氰基喹唑啉。所得混合物在室温下搅拌16小时,用1N的盐酸中和,接着加100ml水。过滤回收沉淀的晶体,在四氢呋喃/乙醇/水中重结晶,得到860mg标题化合物。
分子式:C23H22N5O3Cl
产率:91%
m.p.(℃);277~278(dec.)
Mass m/e;452(M+1)
NMR δ(DMSO-d6);
1.40(2H,m),1.84(2H,m),2.51(1H,m),3.05(2H,dt,J=12Hz,2.4Hz),3.82(3H,s),4.59(2H,d,J=5.6Hz),4.63(2H,m),7.08(1H,d,J=8.4Hz),7.28(1H,d,J=8.8Hz),7.32(1H,dd,J=8.4Hz,2.0Hz),7.45(1H,d,J=2.0Hz),7.74(1H,dd,J=8.8Hz,2.0Hz),8.54(1H,d,J=2.0Hz),8.79(1H,t,J=5.6Hz)
实施例229
2-(4-羧基哌啶子基)-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹唑啉钠
1.00g(2.21mmol)2-(4-羧基哌啶子基)-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹唑啉(实施例228)通过加热溶解在30ml四氢呋喃和40ml乙醇的混合物中,接着加入2.3ml1N氢氧化钠的水溶液和100ml水。真空浓缩所得混合物,过滤回收所得晶体,水洗,空气干燥,得0.45g标题化合物。
分子式:C23H21N5O3ClNa
产率:43%
NMR δ(DMSO-d6);
1.45(2H,m),1.75(2H,m),2.12(1H,m),3.06(2H,m),3.81(3H,s),4.52(2H,m),4.58(2H,d,J=5.6Hz),7.07(1H,d,J=8.8Hz),7.24(1H,d,J=8.4Hz),7.32(1H,dd,J=8.4Hz,2.0Hz),7.45(1H,d,J=2.0Hz),7.69(1H,dd,J=8.8Hz,2.0Hz),8.54(1H,d,J=2.0Hz),8.86(1H,brt,J=5.6Hz)
实施例230
2-〔N-(3-羧丙基)-N-甲氨基〕-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
20ml乙醇和2.61ml1N的氢氧化钠的水溶液加入到389mg2-〔N-(3-乙氧羰丙基)-N-甲氧氨基〕-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉中。所得混合物于室温下搅拌4小时,于50℃下搅拌10分钟,用1N盐酸中和。过滤回收沉淀出的晶体,借助硅胶柱色谱法(氯仿/甲醇)提纯,并在乙醇/丙酮/水中重结晶,得到305mg标题化合物。
分子式:C22H21N5O4
产率:84%
m.p.(℃);138~140
Mass m/e;420(M+1)
NMR δ(CDCl3(+DMSO-d6));
1.96(2H,brs),2.31(brs),3.24(3H,s),3.76(2H,brs),4.67(2H,d,J=5.6Hz),5.94(2H,s),6.77(1H,d,J=8.0Hz),6.86(1H,d,J=8.0Hz),6.91(1H,s),7.58(1H,brs),7.61(1H,d,J=8.4Hz),8.48(2H,m)
实施例231-245中的化合物按实施例222-230所述方法制备。
实施例231
2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)-氨基-6,7,8-三甲氧喹唑啉
分子式:C25H28N4O7
产率:73%
m.p.(℃);216~217
Mass m/e;297(M+1)
NMR δ(CDCl3);
1.80(2H,m),2.05(2H,m),2.65(1H,m),3.39(2H,dt,J=10.8Hz,2.8Hz),3.98(3H,s),4.07(3H,s),4.13(3H,s),4.26(2H,m),4.70(2H,d,J=6.0Hz),5.88(2H,s),6.69(1H,d,J=7.6Hz),6.95(1H,dd,J=7.6Hz,1.6Hz),7.02(1H,d,J=1.6Hz),8.38(1H,s),9.36(1H,s),11.24(1H,t,J=6.0Hz)
实施例232
2-(4-羧基哌啶子基)-4-(3-氯-4-甲氧苄基)-氨基-6,7,8-三甲氧喹唑啉
分子式:C25H29N4O6Cl
产率:90%
m.p.(℃);197~198
Mass m/e;517(M+1)
NMR δ(DMSO-d6);
1.45(2H,brs),1.90(2H,brs),2.59(1H,brs),3.22(2H,brs),3.80(3H,s),3.90(6H,s),3.92(3H,s),4.39(2H,brs),4.65(2H,d,J=5.2Hz),7.05(1H,d,J=8.4Hz),7.33(1H,d,J=8.4Hz),7.45(1H,s),7.76(1H,brs),10.70(1H,brs)
实施例233
2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)-氨基-6-甲氧喹唑啉
分子式:C23H24N4O5(436)
产率:79%
m.p.(℃);263(dec.)
Mass;437(M+1)+
NMR δ(DMSO-d6);
1.51~1.59(2H,m),1.86~1.95(2H,m),2.59~2.64(1H,m),3.21~3.28(2H,m),4.39~4.44(2H,m),4.67(2H,d,J=5.6Hz),5.78(2H,s),6.85(1H,d,J=7.6Hz),6.89(1H,d,J=7.6Hz),6.99(1H,s),7.42(1H,dd,J=9.2Hz,1.6Hz),7.72(1H,d,J=9.2Hz),7.86(1H,d,J=1.6Hz),10.02(1H,br),11.89(1H,s)
实施例234
2-(4-羧基哌啶子基)-4-(3-氯-4-甲氧苄基)-氨基-6-甲氧喹唑啉
分子式:C23H25N4O4Cl(456.930)
产率:81%
m.p.(℃);245(dec.)
Mass;457(MH+)
NMR;
1.3~1.5(2H,m),1.79(2H,d,J=10Hz),2.4~2.5(1H,m),2.91(2H,t,J=11Hz),3.81(3H,s),4.56(2H,d,J=13Hz),4.60(2H,d,J=5.7Hz),7.09(1H,d,J=8.6Hz),7.18(1H,dd,J=2.7Hz,9.2Hz),7.24(1H,d,J=9.2Hz),7.32(1H,dd,J=2.2Hz,8.6Hz),7.45(1H,d,J=2.2Hz),7.49(1H,d,J=2.7Hz),8.42(1H,t,J=5.7Hz),12.15(1H,brs)
实施例235
2-(4-羧基哌啶子基)-4-(3-氯-4-甲氧苄基)-氨基-6-氯喹唑啉
分子式:C22H22N4O3Cl2
产率:92%
m.p.(℃);280~281
Mass m/e;461(M+1)
NMR δ(DMSO-d6);
1.59(2H,m),1.94(2H,brd,J=11.6Hz),2.62(1H,brs),3.32(2H,m),3.79(3H,s),4.52(2H,d,J=13.6Hz),4.64(2H,d,J=4.8Hz),6.99(1H,d,J=8.4Hz),7.30(1H,d,J=8.4Hz),7.42(1H,s),7.69(1H,d,J=8.8Hz),8.00(1H,d,J=8.8Hz),8.51(1H,s),10.24(1H,s),12.42(1H,s)
实施例236
2-(4-羧基哌啶子基)-4-(苯并咪唑-5-基)甲基-氨基-6-氯喹唑啉
分子式:C22H21N6O2Cl(436.903)
产率:99%
m.p.(℃);230(dec.)
Mass;437(MH)+
NMR δ(DMSO-d6);
1.3~1.5(2H,m),1.82(2H,d,J=10Hz),2.4~2.5(1H,m),2.98(2H,t,J=11Hz),4.60(2H,d,J=13Hz),4.77(2H,d,J=5.7Hz),7.2~7.3(2H,m),7.45~7.6(3H,m),8.16(1H,s),8.19(1H,d,J=2.4Hz),8.68(1H,t,J=5.7Hz),12.17(1H,brs),12.33(1H,brs)
实施例237
2-(羧甲基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C18H15N4O4Cl
产率:64%
m.p.(℃);260~261(dec.)
Mass m/e;387(M+1)
NMR δ(DMSO-d6);
4.00(2H,brs),4.57(2H,d,J=5.6Hz),5.93(2H,s),6.79(1H,d,J=8.0Hz),6.86(1H,d,J=8.0Hz),6.95(1H,s),7.35(1H,brs),7.50(1H,brs),8.30~8.50(2H,m)
实施例238
2-(3-羧丙基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C20H19N4O4Cl
产率:88%
m.p.(℃);170~172
Mass m/e;415(M+1)
NMR δ(DMSO-d6);
1.71(2H,brs),2.23(2H,brs),3.27(2H,brs),4.56(2H,d,J=5.6Hz),5.95(2H,s),6.82(3H,m),6.95(1H,s),7.20(1h,brs),7.46(1H,dd,J=8.8Hz,1.6Hz),8.12(1H,d,J=1.6Hz)
实施例239
2-(5-羧戊基)氨基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C22H23N4O4Cl
产率:80%
m.p.(℃);190~192
Mass m/e;443(M+1)
NMR δ(DMSO-d6);
1.25(2H,brs),1.47(4H,brs),2.16(2H,brs),3.31(2H,brs),4.60(2H,brs),5.94(2H,s),6.84(2H,s),6.96(1H,s),7.33(1H,brs),7.60(1H,brs),8.25(1H,brs)
实施例240
2-〔N-(3-羧丙基)-N-甲氨基〕-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C21H21N4O4Cl
产率:92%
m.p.(℃);143~144
Mass m/e;429(M+1)
NMR δ(DMSO-d6(+CD3OD));
1.79(2H,brs),2.20(2H,brs),3.21(3H,s),3.71(2H,t,J=7.2Hz),4.65(2H,s),5.95(2H,s),6.81(1H,d,J=8.0Hz),6.86(1H,d,J=8.0Hz),6.95(1H,s),7.79(1H,d,J=8.8Hz),7.85(1H,d,J=8.8Hz),8.49(1H,s)
实施例241
2-N-羧甲基-N-甲氨基)-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
分子式:C20H17N5O4
产率:68%
m.p.(℃);268~270
Mass m/e;392(M+1)
NMR δ(DMSO-d6);
3.11(3H,s),4.13(2H,brs),4.56(2H,m),5.94(2H,s),6.83(2H,m),6.93(1H,d,J=14.4Hz),7.20(1H,m),7.66(1H,m),8.51(1H,s),8.62(1H,m)
实施例242
2-〔N-乙基-N-(3-羧丙基)氨基〕-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
分子式:C23H23N5O4(433.468)
产率:96%
m.p.(℃);186~187
Mass;434(M+1)
NMR δ(DMSO-d6);
1.0~1.15(3H,br 2 peaks),1.65~1.85(2H,br 2 peaks),2.1~2.25(2H,br 2 peaks),3.57(4H,brs),4.58(2H,d,J=5.7Hz),5.96(2H,s),6.84(2H,s),6.93(1H,s),7.26(1H,d,J=8.8Hz),7.72(1H,dd,J=1.8Hz,8.8Hz),8.56(1H,d,J=1.8Hz),8.71(1H,brs)
实施例243
2-〔N-(3-羧丙基)-N-甲氨基〕-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹唑啉
分子式:C22H22N5O3Cl
产率:88%
m.p.(℃);108~109
Mass;440(M+1)
NMR δ(DMSO-d6);
1.73(2H,brs),2.13(2H,brs),3.11(3H,s),3.63(2H,brs),3.82(3H,s),4.61(2H,d,J=5.6Hz),7.07(1H,d,J=8.4Hz),7.27(1H,d,J=8.8Hz),7.31(1H,d,J=8.4Hz),7.43(1H,s),7.72(1H,s),8.55(1H,s),8.74(1H,brt,J=5.6Hz),12.02(1H,brs)
实施例244
2-(4-羧基哌啶子基)-4-(苯并咪唑-5-基)甲基-氨基-6-氰基喹唑啉
分子式:C23H21N7O2(427)
产率:50%
m.p.(℃);>290
Mass;428(M++1)
NMR δ(DMSO-d6);
1.29~1.42(2H,m),1.76~2.20(2H,m),2.39~2.51(2H,m),2.99~3.07(3H,m),4.60~4.64(2H,m),4.76(2H,d,J=5.6Hz),7.23(1H,d,J=8.4Hz),7.25(1H,d,J=8.8Hz),7.51(1H,d,J=8.4Hz),7.56(1H,s),7.71(1H,dd,J=8.4Hz,1.6Hz),8.14(1H,s),8.57(1H,d,J=1.6Hz),8.82(1H,brt,J=5.6Hz)
实施例245
2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)-氨基-6-氨基甲酰基喹唑啉
分子式:C23H23N5O5(449)
产率:6%
m.p.(℃);180~182(dec.)
Mass;450(M+1)
NMR δ(DMSO-d6);
1.39(2H,m),1.81(2H,m),2.48(1H,m),2.99(2H,m),4.55(2H,d,J=5.6Hz),4.62(2H,m),5.93(2H,s),6.81(1H,d,J=7.6Hz),6.85(1H,dd,J=7.6Hz,1.6Hz),6.95(1H,d,J=1.6Hz),7.20(1H,d,J=8.8Hz),7.27(1H,br),7.71(1H,br),7.92(1H,dd,J=8.8Hz,2.0Hz),8.57(1H,d,J=2.0Hz),8.59(1H,brt,J=5.6Hz),12.09(1H,br)
实施例246
2-苄氧甲基-4-氯-6-甲氧喹唑啉
将30ml氧氯化磷加到1.50g(5.06mmol)2-苄氧甲基-6-甲氧喹唑啉-4-(3H)-酮在75ml乙腈的悬浮液中。将所得混合物加热回流。1小时后,减压蒸除反应混合物中的溶剂并将残余物溶解在氯仿中。所得溶液用饱和碳酸氢钠水溶液洗涤。有机层在无水硫酸镁中干燥并过滤。减压蒸除滤液中的溶剂。借助硅胶柱色谱提纯残余物(乙酸乙酯/正己烷)得到1.10标题化合物,为浅色晶体。
产率:69%
m.p.(℃);49~50
Mass;315(M+1)+
NMR δ(CDCl3);
3.98(3H,s),4.79(2H,s),4.84(2H,s),7.42(1H,d,J=2.8Hz),7.26~7.46(5H,m),7.57(1H,dd,J=9.2Hz,2.8Hz),8.01(1H,d,J=9.2Hz)
实施例247
2-苄氧甲基-4-(3,4-亚甲二氧苄基)氨基-6-甲氧喹唑啉
将0.74g(2.4mmol)2-苄氧甲基-4-氯-6-甲氧喹唑啉(实施例246),0.55g(3.6mmol)胡椒胺和0.50g碳酸钠与20ml异丙醇混合物。加热回流所得混合物。6小时后,减压蒸除反应混合物中的溶剂,借助硅胶柱色谱提纯残余物(乙酸乙酯/正己烷),在氯仿/正己烷中重结晶,得到1.01g标题化合物,为黄色晶体。
分子式:C25H23N3O4
产率:定量
m.p.(℃);158~159
NMR δ(CDCl3);
3.91(3H,s),4.69(2H,s),4.77(2H,s),4.79(2H,d,J=5.6Hz),5.94(2H,s),6.77(1H,d,J=7.6Hz),6.90(1H,dd,J=7.6Hz,1.6Hz),6.94(1H,d,J=1.6Hz),7.10(1H,brs),7.25~7.35(5H,m),7.41~7.44(2H,m),7.81(1H,d,J=9.2Hz)
实施例248
2,6-二氯-4-(3,4-亚甲二氧苄基)氧基喹唑啉
分子式:C16H10Cl2N2O3
产率:55%
m.p.(℃);141~142
Mass m/e;349(M+1)
·NMR δ(CDCl3);
5.54(2H,s),6.01(2H,s),6.86(1H,d,J=8.8Hz),7.01(1H,d,J=8.8Hz),7.02(1H,s),7.76(1H,dd,J=8.0Hz,2.4Hz),7.81(1H,dd,J=8.0Hz,0.8Hz),8.09(1H,dd,J=2.4Hz,0.8Hz)
实施例249
2-(4-羧哌啶子基)-4-(3,4-亚甲二氧苄基)氧基-6-氯喹唑啉
分子式:C22H20ClN3O5
产率:84%
m.p.(℃);145~147
Mass m/e;442(M+1)
·NMR δ(DMSO-d6);
1.47(2H,m),1.88(2H,m),2.49(1H,m),3.10(2H,brt,J=13.2Hz),4.60(2H,brd,J=13.2Hz),5.43(2H,s),6.01(2H,s),6.91(1H,d,J=8.0Hz),7.02(1H,d,J=8.0Hz),7.11(1H,s),7.39(1H,d,J=8.8Hz),7.61(1H,dd,J=8.8Hz,2.4Hz),7.77(1H,d,J=2.4Hz)
实施例250
2,6-二氯-4-(3,4-亚甲二氧苄基)硫喹唑啉
分子式:C16H10Cl2N2O2S
产率:92%
m.p.(℃);180~182
Mass m/e;365(M+1)
NMR δ(CDCl3);
4.55(2H,s),5.96(2H,s),6.77(1H,d,J=8.4Hz),6.96(1H,s),6.96(1H,d,J=8.4Hz),7.77(1H,dd,J=8.8Hz,2.0Hz),7.82(1H,d,J=8.8Hz),7.99(1H,dd,J=2.0Hz)
实施例251
2-(4-羧基哌啶子基)-4-(3,4-亚甲二氧苄基)硫基-6-氯喹唑啉
分子式:C22H20ClN3O4S
产率:98%
m.p.(℃);153~154
Mass m/e;458(M+1)
NMR δ(DMSO-d6);
1.50(2H,m),1.82(2H,m),2.39(1H,brs),3.18(2H,m),4.48(2H,s),4.55(2H,brs),5.96(2H,s),6.82(1H,d,J=8.0Hz),6.92(1H,d,J=8.0Hz),6.99(1H,s),7.41(1H,brd,J=8.8Hz),7.62(1H,brd,J=8.8Hz),7.69(1H,brs)
实施例252
2-(4-硝基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
分子式:C21H20ClN5O5
产率:11%
m.p:油状物
Mass m/e;458(MH+)
NMR δ(CDCl3);
1.71~1.82(2H,m),2.02~2.10(2H,m),3.56~3.63(2H,m),4.39~4.44(2H,m),4.66(2H,d,J=5.2Hz),5.18~5.22(1H,m),5.61(1H,brt,J=5.2Hz),5.96(2H,s),6.79(1H,d,J=7.6Hz),6.84(1H,dd,J=7.6Hz,1.2Hz),6.87(1H,d,J=1.2Hz),7.39(1H,d,J=8.8Hz),7.43~7.47(2H,m)
实施例253
2,6-二氯-4-(3,4-亚甲二氧苄基)氨基喹啉
(a)2,4,6-三氯喹啉
按J.Amer.Chem.Soc.68,1285(1946)所述方法,从5-氯氨茴酸甲酯制备标题化合物。
·NMR δ(CDCl3);
7.55(1H,s),7.74(1H,dd,J=9.0Hz,2.2Hz),7.98(1H,d,J=9.0Hz),8.19(1H,d,J=2.2Hz)
(b)2,6-二氯-4-(3,4-亚甲二氧苄基)氨基喹啉
将500mg步骤(a)所述化合物,350mg3,4-亚甲二氧苄基胺,1mlN,N-二异丙基乙胺和4mlN-甲基-2-吡咯烷的混合物置于油浴中于130℃中反应10小时。将水加到反应混合物中,所得混合物用乙酸乙酯萃取。有机层用水和饱和氯化钠水溶液洗涤,无水硫酸镁干燥并浓缩。残余物借助硅胶柱色谱提纯(5-20%乙酸乙酯/己烷),得到430mg标题化合物,为高极性化合物。
分子式:C17H12Cl2N2O3
m.p.(℃);198~199
Mass m/e;347(M+1)
·NMR δ(CDCl3);
4.39(2H,d,J=4.9Hz),5.21(1H,t,J=4.9Hz),6.00(2H,s),6.47(1H,s),6.82~6.87(3H,m),7.58(1H,dd,J=9.0Hz,2.2Hz),7.65(1H,d,J=2.2Hz),7.84(1H,d,J=9.0Hz)
同时也得到190mg4,6-二氯-2-(3,4-亚甲二氧苄基)氨基喹啉,为低极性化合物。
·NMR δ(CDCl3);
4.58(2H,d,J=5.7Hz),5.00(1H,brt,J=5.7Hz),5.94(2H,s),6.74(1H,s),6.77(1H,d,J=7.9Hz),6.84(1H,dd,J=7.9Hz,1.6Hz),6.88(1H,d,J=1.6Hz),7.50(1H,dd,J=9.0Hz,2.4Hz),7.62(1H,d,J=9.0Hz),7.96(1H,d,J=2.4Hz)
实施例254
2,6-二氯-4-(3-氯-4-甲氧苄基氨基)喹啉
按实施例253所述方法,制备标题化合物,
分子式:C17H13Cl3N2O
产率:59%
m.p.(℃);204~205
·NMR δ(CDCl3);
3.91(3H,s),3.40(3H,s),4.38(2H,d,J=5.1Hz),4.97(1H,t,J=5.1Hz),5.93(1H,s),6.93(1H,d,J=8.4Hz),7.24(1H,dd,J=8.4Hz,2.2Hz),7.40(1H,d,J=2.2Hz),7.50(1H,dd,J=8.8Hz,2.2Hz),7.59(1H,d,J=2.2Hz),7.71(1H,d,J=8.8Hz)
实施例255
2-(4-羧哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹啉
(a)2-(4-乙氧羰基哌啶子基)-4-(3,4-亚甲氧苄基)氨基-6-氯喹啉
将130mg2,6-二氯-4-(3,4-亚甲二氧苄基)氨基-喹啉,500μl异哌啶甲乙酯和1mlN-甲基-2-吡咯酮的混合物置于油浴中于150℃反应3小时。冷却反应混合物,然后加水。所得混合物用乙酸乙酯萃取,有机层用水和饱和氯化钠水溶液洗涤,在无水硫酸镁中干燥并浓缩,残余物借助硅胶柱色谱提纯(20-50%乙酸乙酯/己烷),得到150mg标题化合物。
·NMR δ(CDCl3);
1.26(3H,t,J=7.1Hz),1.70~1.81(2H,m),1.95~2.02(2H,m),2.54(1H,tt,J=11.2Hz,3.8Hz),2.97~3.06(2H,m),4.14(2H,q,J=7.1Hz),4.32~4.39(4H,m),4.86(1H,t,J=5.5Hz),5.98(3H,s),6.81(1H,d,J=7.7Hz),6.84~6.89(2H,m),7.39(1H,dd,J=9.0Hz,2.4Hz),7.47(1H,d,J=2.4Hz),7.55(1H,d,J=9.0Hz)
(b)2-(4-羧哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹啉
将150mg步骤(a)所述化合物,1ml1N的氢氧化钠水溶液和10ml乙醇的混合物置于油溶中于60℃反应2小时。浓缩反应混合物。接着加水,所得混合物用1ml1N的盐酸中和,得到沉淀晶体。过滤回收晶体,得到130mg标题化合物。
分子式:C23H22ClN3O4
产率:92%
m.p.(℃);235~237
Mass m/e;440(M+1)
·NMR δ(DMSO-d6);
1.37~1.50(2H,m),1.77~1.86(2H,m),2.89~3.00(2H,br,3 peak),4.20~4.28(2H,br,2 peak),4.42(2H,d,J=5.7Hz),5.96(2H,s),5.97(1H,s),6.85(1H,d,J=7.9Hz),6.92(1H,dd,J=7.9Hz,1.5Hz),6.98(1H,d,J=1.5Hz),7.42(2H,brs),7.58(1H,brs),8.15(1H,brs)
实施例256
2-(4-羧哌啶子基)-4-(3-氯-4-甲氧苄基)氨基-6-氯喹啉
按实施例255所述方法制备标题化合物。
分子式:C23H23Cl2N3O3
m.p.(℃);282~283
Mass m/e;460(M+1)
·NMR δ(DMSO-d6);
1.36~1.48(2H,m),1.76~1.84(2H,m),2.43~2.53(1H,m),2.91(2H,t,J=11.2Hz),4.26(2H,brd,J=13.2Hz),4.44(2H,d,J=5.9Hz),5.97(1H,s),7.10(1H,d,J=8.6Hz),7.36(1H,dd,J=8.6Hz,2.2Hz),7.38(2H,s),7.50(2H,brs and d,J=2.2Hz),8.11(1H,s)
实施例257
2-甲氧-4-(3-氯-4-甲氧苄基)氨基-6-氯喹啉
将200mg2,6-二氯-4-(3-氯-4-甲氧苄基)氨基喹啉,0.5ml甲醇,200mg叔丁醇钾和3ml1,4-二噁烷混合物加热回流1小时,冷却,加水。所得混合物用乙酸乙酯萃取,有机层用饱和氯化钠水溶液洗涤,无水硫酸镁干燥,浓缩,残余物借助硅胶柱色谱提纯(10-30%乙酸乙酯/己烷,在乙酸乙酯/己烷中重结晶,得到150mg标题化合物。
分子式:C18H16Cl2N2O2
产率:76%
m.p.(℃);170~171
·NMR δ(CDCl3);
3.93(3H,s),4.42(2H,d,J=5.2Hz),5.22(1H,t,J=5.2Hz),6.46(1H,s),6.96(1H,d,J=8.4Hz),7.25(1H,dd,J=8.4Hz,2.2Hz),7.41(1H,d,J=2.2Hz),7.59(1H,dd,J=9.0Hz,2.2Hz),7.66(1H,d,J=2.2Hz),7.85(1H,d,J=9.0Hz)
实施例258
2-(3,4-亚甲二氧苄基氨基)-4-(4-羧基哌啶子基)-6-氯喹啉
按实施例255所述方法,从实施例253步骤(b)所述化合物4,6-二氯-2-(3,4-亚甲二氧苄基)氨基喹啉(140mg)出发,制备130mg标题化合物。
分子式:C23H22ClN3O4
产率:99%
m.p.(℃);270~272
Mass m/e;440(M+1)
·NMR δ(DMSO-d6);
1.78~1.89(2H,m),1.96~2.04(2H,m),2.70~2.79(2H,m),3.26~3.36(2H,m),4.49(2H,d,J=5.7Hz),5.96(2H,s),6.37(1H,s),6.85(2H,s),6.94(1H,s),7.37(1H,t,J=5.7Hz),7.41(1H,dd,J=8.8Hz,2.4Hz),7.46(1H,d,J=8.8Hz),7.60(1H,d,J=2.4Hz)
实施例259
2-氯-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹啉
(a)4-羟喹啉-2-酮-6-羟酸
按J.Amer.Chem.Soc.68.1285(1946)所述方法,从4-氨基苯-1,4-二羧酸二甲酯制备标题化合物。
·NMR δ(DMSO-d6);
5.79(1H,s),7.31(1H,d,J=8.6Hz),8.02(1H,dd,J=8.6Hz,2.0Hz),8.39(1H,d,J=2.0Hz),11.51(1H,s),11.63(1H,brs),12.86(1H,brs)
(b)2,4-二氯喹啉-6-羧酰胺
将9g步骤(b)所述化合物和50ml氧氯化磷混合物加热回流1小时。浓缩反应混合物,将乙酸乙酯/丙酮加到残余物中得到均匀悬浮物。在搅拌下将该悬浮物逐渐倾入冰冷的浓氨水中。30分钟,回收沉淀出的晶体,用水和乙酸乙酯洗涤,干燥,得到8.96g标题化合物。
NMR δ(DMSO-d6);
7.72(1H,brs),8.06(1H,s),8.10(1H,d,J=8.8Hz),8.34(1H,dd,J=8.8Hz,2.0Hz),8.43(1H,brs),8.73(1H,d,J=2.0Hz)
(c)2,4-二氯-6-氰基喹啉
将3g步骤(b)所述化合物,300mg氯化锂和30ml氧氯化磷的混合物加热回流2小时。浓缩反应混合物,接着加120ml苯,所得混合物用饱和碳酸氢钠洗涤。有机层用饱和氯化钠水溶液洗涤,在无水硫酸镁中干燥,借助硅胶板过滤,用苯洗涤硅胶,合并苯液,浓缩,残余物在乙酸乙酯/己烷中重结晶,得到2.15g标题化合物。
·NMR δ(CDCl3);
7.65(1H,s),7.95(1H,dd,J=8.8Hz,1.8Hz),8.14(1H,d,J=8.8Hz),8.60(1H,d,J=1.8Hz)
(d)2-氯-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹啉
将1g步骤(c)所述化合物,1g3-氯-4-甲氧苄胺盐酸盐,2.4mlN,N-二异丙基乙胺和10mlN-甲基-2-吡咯酮的混合物置于油浴中于130℃反应1小时,冷却反应混合物,加水和乙酸乙酯。过滤回收沉淀出的晶体,用水和乙酸乙酯洗涤,干燥,得610mg标题化合物。
分子式:C18H13Cl2N3O
产率:38%
m.p.(℃);254~255
NMR δ(CDCl3);
3.94(3H,s),4.45(2H,d,J=4.9Hz),5.41(1H,d,J=4.9Hz),6.54(1H,s),6.98(1H,d,J=8.4Hz),7.26(1H,dd,J=8.4Hz,2.2Hz),7.41(1H,d,J=2.2Hz),7.80(1H,dd,J=8.8Hz,1.6Hz),7.97(1H,d,J=8.8Hz),8.08(1H,d,J=1.6Hz)
实施例260
2-(4-羧哌啶子基)-4-(3-氯-4-甲氧苄基)-氨基-6-氰基喹啉
(a)2-(4-乙氧羰基哌啶子基)-4-(3-氯-4-甲氧苄胺基)-6-氰基喹啉
将750mg2-氯-4-(3-氯-4-甲氧苄基)氨基-6-氰基喹啉,1.6ml异哌啶甲酸和5mlN-甲基-2-吡咯烷的混合物置于油浴于130℃搅拌3小时,冷却然后加水。所得混合物用乙酸乙酯洗涤,有机层用水和饱和氯化钠水溶液洗涤,无水硫酸镁干燥并浓缩。残余物借助硅胶柱色谱法(20-40%乙酸乙酯/己烷)提纯,在乙酸乙酯/己烷中重结晶,得到860mg标题化合物。
NMR δ(CDCl3);
1.26(3H,t,J=7.1Hz),1.68~1.79(2H,m),1.95~2.03(2H,m),2.58(1H,tt,J=11.0Hz,4.0Hz),3.03~3.12(2H,m),3.92(3H,s),4.15(2H,q,J=7.1Hz),4.36~4.43(4H,m),5.08(1H,t,J=5.1Hz),5.94(1H,s),6.95(1H,d,J=8.4Hz),7.26(1H,dd,J=8.4Hz,2.2Hz),7.42(1H,d,J=2.2Hz),7.55~7.61(2H,m),7.88(1H,s)
(b)2-(4-羧哌啶子基)-4-(3-氯-4-甲氧苄氨基)-6-氰基喹啉
将500mg步骤(a)所述化合物,2ml1N的氢氧化钠水溶液,20ml四氢呋喃和25ml乙醇的混合物于50℃反应2小时,接着加2ml盐酸。蒸除20ml溶剂以沉淀晶体。过滤回收晶体,用水和乙酸乙酯洗涤,干燥得到460mg标题化合物。
分子式:C24H23ClN4O3
产率:98%
m.p.(℃);274~276(dec.)
NMR δ(DMSO-d6);
1.35~1.47(2H,m),1.78~1.87(2H,m),2.47~2.56(1H,m),2.95~3.04(2H,m),3.81(3H,s),4.30~4.39(2H,m),4.46(2H,d,J=5.7Hz),6.01(1H,s),7.11(1H,d,J=8.6Hz),7.37(1H,dd,J=8.6Hz,2.2Hz),7.40(1H,d,J=8.8Hz),7.52(1H,d,J=2.2Hz),7.65(1H,dd,J=8.8Hz,1.6Hz),7.68(1H,t,J=5.7Hz),8.55(1H,d,J=1.6Hz),12.20(1H,brs)
实施例261
2-氯-8-(3,4-亚甲二氧苄基)氨基吡啶比〔2,3-d〕-嘧啶
66mg三乙胺和89mg胡椒胺加到118mg2,8-二氯吡咯并〔2,3-d〕嘧啶在20ml四氢呋喃的溶液中。所得混合物在室温下搅拌16小时,接着加水,过滤回收形成的晶体,得到166mg标题化合物。
分子式:C15H11ClN4O2
产率:89%
m.p.(℃);200~202
Mass m/e;315(M+1)
·NMR δ(DMSO-d6);
4.64(1H,d,J=5.6Hz),5.97(2H,s),6.85(1H,d,J=8.0Hz),6.87(1H,d,J=8.0Hz),6.96(1H,s),7.55(1H,dd,J=8.0Hz,4.4Hz),8.73(1H,dd,J=8.0Hz,1.6Hz),8.96(1H,dd,J=4.4Hz,1.6Hz),9.46(1H,t,J=5.6Hz)
实施例262
2-(4-羧哌啶子基)-8-(3,4-亚甲二氧苄基)-氨基吡啶并〔2,3-d〕嘧啶
(a)2-(4-乙氧羰基哌啶子基)-8-(3,4-亚甲二氨苄氨基)吡啶并〔2,3-d〕嘧啶
41mg三乙胺和190mg异哌啶甲酸乙酯加到127mg2-氯-8-(3,4-亚甲二氧苄基)氨基吡啶并〔2,3-d〕嘧啶在8ml四氢呋喃中的溶液。所得混合物回流2小时,接着加水,所得混合物用氯仿萃取两次,合并有机层,用硫酸镁干燥,蒸除溶剂,残余物借助硅胶柱色谱(乙酸乙酯)洗涤,得到175mg标题化合物(100%)。
(b)2-(4-羧哌啶子基)-8-(3,4-亚甲二氧苄基)氨基吡啶并〔2,3-d〕嘧啶
将1.56ml1N氢氧化钠加到170mg2-(4-乙氧羰基哌啶子基)-8-(3,4-亚甲二氧苄基)氨基吡啶并〔2,3-d〕嘧啶在10ml乙醇的溶液中。所得混合物在室温下搅拌6小时,用1N盐酸和水中和。过滤回收沉淀的晶体,得到121标题化合物。
分子式:C21H21N5O4
产率:76%
m.p.(℃);255~256
Mass m/e;408(M+1)
·NMR δ(DMSO-d6);
1.39(2H,m),1.80(2H,m),2.51(1H,m),3.01(2H,brt,J=11.2Hz),4.56(2H,d,J=5.6Hz),4.61(2H,brd,J=12.8Hz),5.94(2H,s),6.82(1H,d,J=8.0Hz),6.84(1H,d,J=8.0Hz),6.93(1H,s),7.03(1H,dd,J=8.0Hz,4.4Hz),8.38(1H,dd,J=8.0Hz,1.6Hz),8.61(1H,dd,J=4.4Hz,1.6Hz),8.70(1H,t,J=5.6Hz),12.16(1H,brs)
实施例263
5-氯-2-甲磺酰基-1-(3,4-亚甲二氧苄基)苯并咪唑
8.89g6-氯-2-巯基苯并咪唑溶解于150ml二甲基甲酰胺中,然后在冰冷却下加入6.65g碳酸钾和6.15g甲基碘,在该温度下搅拌该混合物50分钟,接着加水。用乙酸乙酯萃取所得混合物,干燥有机层,真空浓缩,得到粗6-氯-2-甲硫基苯并咪唑。
将粗产物溶解在100ml二氯甲烷中,接着在冰冷却下加入17.3g 80% m-CPBA。所得混合物在室温下搅拌过夜,接着加入7g硫代硫酸钠。所得混合物在室温搅拌30分钟,接着加水。回收有机层,干燥,借助硅胶柱色谱提纯,得到10g6-氯-2-甲磺酰基苯并咪唑。
将2.3g6-氯-2-甲磺酰基-苯并咪唑溶解在30ml二甲基甲酰胺中,接着在冰冷却下加入480mg60%的氢化钠和2.04g胡椒氯化物,所得混合物在80℃加热4小时,静置过夜,滤除不溶物,真空浓缩滤液,硅胶柱色谱提纯,得到标题化合物。
分子式:C16H13ClN2O4S
产率:25%
m.p.(℃);129~131
Mass m/e;365(MH+)
·NMR δ(CDCl3);
3.48(3H,s),5.64(2H,s),5.91(2H,s),6.73~6.76(3H,m),7.27(1H,d,J=8.8Hz),7.31(1H,dd,J=8.8Hz,2.0Hz),7.80(1H,d,J=2.0Hz)
实施例264
6-氯-2-甲磺酰基-1-(3,4-亚甲二氧苄基)苯并咪
接上例,在5-氯-2-甲磺酰基-1-(3,4-亚甲二氧苄基)苯并咪唑洗脱出后继续洗脱,得到标题化合物
分子式:C16H13ClN2O4S
产率:22%
m.p.(℃);140~142
Mass m/e;365(MH+)
·NMR δ(CDCl3);
3.48(3H,s),5.62(2H,s),5.93(2H,s),6.73~6.77(3H,m),7.32(1H,d,J=8.4Hz),7.33(1H,d,J=1.2Hz),7.74(1H,dd,J=8.4Hz,1.2Hz)
实施例265
5-氯-2-甲氧-1-(3,4-亚甲二氧苄基)-苯并咪唑
将448mg包括5-氯-2-磺酰甲基-1-(3,4-亚甲二氧苄基)苯并咪唑和6-氯-2-磺酰甲基-1-(3,4-亚甲二氧苄基)苯并咪唑的混合物溶解在20ml甲醇中,接着加入10ml 28%的甲醇钠。所得混合物回流加热1.5小时,冰冷却用10%的盐酸水溶液中和,用乙酸乙酯萃取。干燥有机层,真空浓缩。残余物借助硅胶柱色谱法提纯得到标题化合物。
分子式:C16H13ClN2O3
产率:31%
m.p.(℃);117~118
Mass m/e;317(MH+)
NMR δ(CDCl3);
4.21(3H,s),5.01(2H,s),5.92(2H,s),6.65(1H,d,J=1.6Hz),6.68(1H,dd,J=8.0Hz,1.6Hz),6.73(1H,d,J=8.0Hz),6.96(1H,d,J=8.4Hz),7.05(1H,dd,J=8.4Hz,2.0Hz),7.51(1H,d,J=2.0Hz)
实施例266
6-氯-2-甲氧基-1-(3,4-亚甲二氧苄基)苯并咪唑
接着上例,在5-氯-2-甲氧基-1-(3,4-亚甲二氧苄)基苯并咪唑洗脱出后继续洗脱,得到标题化合物。
分子式:C16H13ClN2O3
产率:26%
m.p.(℃);133~134
Mass m/e;317(MH+)
NMR δ(CDCl3):
4.21(3H,s),4.99(2H,s),5.92(2H,s),6.65(1H,d,J=1.6Hz),6.68(1H,dd,J=8.0Hz,1.6Hz),6.74(1H,d,J=8.0Hz),7.05(1H,d,J=1.6Hz),7.10(1H,dd,J=8.8Hz,1.6Hz),7.43(1H,d,J=8.8Hz)
实施例267-280所述化合物按实施例263-266所述方法制备
实施例267
1-(3,4-亚甲二氧苄基)苯并咪唑
分子式:C15H12N2O2
产率:34%
m.p.(℃);107~108
Mass m/e;253(MH+)
·NMR δ(CDCl3);
5.23(2H,s),5.92(2H,s),6.63(1H,d,J=1.6Hz),6.70(1H,dd,J=8.0Hz,1.6Hz),6.76(1H,d,J=8.0Hz),7.23~7.32(3H,m),7.80~7.83(1H,m),7.92(1H,s)
实施例268
1-(2-丙氧苄基)苯并咪唑
分子式:C17H18N2O
产率:89%
m.p.(℃);85~86
Mass m/e;267(MH+)
·NMR δ(CDCl3);
1.02(3H,t,J=7.4Hz),1.78~1.86(2H,m),3.95(2H,t,J=6.6Hz),5.35(2H,s),6.86~6.90(2H,m),7.06~7.09(1H,m),7.23~7.28(3H,m),7.40~7.43(1H,m),7.79~7.82(1H,m),7.99(1H,s)
实施例269
2-(3,4-亚甲二氧苄基)苯并咪唑
分子式:C15H12N2O2
产率:62%
m.p.(℃);143~146
Mass m/e;253(MH+)
NMR δ(DMSO-d6);
4.43(2H,s),5.99(2H,s),6.89~6.94(2H,m),7.09(1H,s),7.48~7.52(2H,m),7.72~7.76(2H,m)
实施例270
1-(3,4-亚甲二氧苄基)-6-甲氧苯并咪唑
分子式:C16H14N2O3
产率:70%
m.p.(℃);134~135
Mass m/e;283(M+1)+
·NMR δ(CDCl3);
3.82(3H,s),5.21(2H,s),5.95(2H,s),6.64(1H,d,J=1.8Hz),6.71(1H,dd,J=7.6Hz,1.8Hz),6.75(1H,d,J=2.4Hz),6.78(1H,d,J=7.6Hz),6.93(1H,dd,J=8.8Hz,2.4Hz),7.70(1H,d,J=8.8Hz),7.90(1H,s)
实施例271
1-(2-氯-4,5-亚甲二氧苄基)-6-甲氧基苯并咪唑
分子式:C16H13ClN2O3
产率:81%
m.p.(℃);108~109
Mass m/e;317(M+1)+
·NMR δ(CDCl3);
3.84(3H,s),5.322(2H,s),5.97(2H,s),6.40(1H,s),6.80(1H,s),6.91(1H,s),6.95(1H,d,J=8.8Hz),7.72(1H,d,J=8.8Hz),7.96(1H,s)
实施例272
1-〔2-(3,4-亚甲二氧苯基)乙基〕-6-甲氧苯并咪唑
分子式:C17H16N2O3
产率:69%
m.p,油状物
Mass m/e;297(M+1)+
NMR δ(CDCl3);
3.04(2H,t,J=6.8Hz),3.87(3H,s),4.31(2H,t,J=6.8Hz),5.93(2H,s),6.43(1H,dd,J=8.0Hz,2.0Hz),6.52(1H,d,J=2.0Hz),6.68(1H,d,J=8.0Hz),6.77(1H,d,J=2.4Hz),6.92(1H,dd,J=8.8Hz,2.4Hz),7.57(1H,s),7.67(1H,d,J=8.8Hz)
实施例273
6-氯-1-(3,4-亚甲二氧苄基)苯并咪唑
分子式:C15H11N2O2
m.p.(℃);122~123
Mass m/e;287(MH+)
NMR δ(CDCl3);
5.18(2H,s),5.94(2H,s),6.61(1H,d,J=1.2Hz),6.68(1H,dd,J=8.0Hz,1.2Hz),6.77(1H,d,J=8.0Hz),7.22~7.40(2H,m),7.71(1H,d,J=8.8Hz),7.90(1H,s)
实施例274
5-氯-1-(3,4-亚甲二氧苄基)苯并咪唑
分子式:C15H11ClN2O2
产率:83%
m.p.(℃);113~114
Mass m/e;287(MH+)
NMR δ(CDCl3);
5.20(2H,s),5.93(2H,s),6.60(1H,d,J=1.6Hz),6.67(1H,dd,J=7.6Hz,1.6Hz),7.76(1H,d,J=7.6Hz),7.18~7.20(2H,m),7.78(1H,s),7.93(1H,s)
实施例275
6-氯-〔3-(3,4-亚甲二氧苯基)丙基〕-苯并咪唑
分子式:C17H15ClN2O2
产率:40%
m.p.(℃);107~109
Mass m/e;315(MH+)
NMR δ(CDCl3);
2.13~2.21(2H,m),2.54(2H,t,J=7.4Hz),4.11(2H,t,J=7.2Hz),5.94(2H,s),6.59(1H,dd,J=8.0Hz,1.6Hz),6.64(1H,d,J=1.6Hz),6.75(1H,d,J=8.0Hz),7.24(1H,dd,J=8.4Hz,2.0Hz),7.31(1H,d,J=2.0Hz),7.71(1H,d,J=8.4Hz),7.84(1H,s)
实施例276
6-氯-2-甲酰基-1-(3,4-亚甲二氧苄基)苯并咪唑
分子式:C16H11ClN2O3
产率:55%
m.p.(℃);120~122
Mass m/e;315(MH+)
·NMR δ(CDCl3);
5.71(2H,s),5.93(2H,s),6.64(1H,d,J=1.6Hz),6.70(1H,dd,J=7.6Hz,1.6Hz),6.75(1H,d,J=7.6Hz),7.36(1H,dd,J=8.8Hz,2.0Hz),7.46(1H,d,J=2.0Hz),7.86(1H,d,J=8.8Hz),10.11(1H,s)
实施例277
2-氨基-6-氯-1-(3,4-亚甲二氧苄基)苯并咪唑
分子式:C15H12ClN3O2
产率:10%
m.p.(℃);223~224
Mass m/e;302(MH+)
NMR δ(DMSO-d6);
5.13(2H,s),5.95(2H,s),6.68~6.71(3H,m),6.77(1H,d,J=1.6Hz),6.84(1H,d,J=7.6Hz),6.90(1H,dd,J=8.4Hz,2.4Hz),7.07(1H,d,J=8.4Hz),7.18(1H,d,J=2.4Hz)
实施例278
6-氯-2-(咪唑-1-基)-1-(3,4-亚甲二氧苄基)苯并咪唑
分子式:C18H13ClN4O2
产率:41%
m.p.(℃);127~129
Mass m/e;353(MH+)
·NMR δ(CDCl3);
5.20(2H,s),5.97(2H,s),6.48~6.50(2H,m),6.76(1H,d,J=7.2Hz),7.23~7.35(4H,m),7.72(1H,d,J=8.4Hz),7.89(1H,s)
实施例279
2-(4-羧哌啶子基)-5-氯-1-(3,4-亚甲二氧苄基)苯并咪唑
分子式:C21H20ClN3O4
产率:84%
m.p.(℃);201~202
Mass m/e;414(MH+)
·NMR δ(DMSO-d6);
1.64~1.77(2H,m),1.84~1.90(2H,m),2.40~2.46(1H,m),2.92~3.00(2H,m),3.43~3.47(2H,m),5.15(2H,s),5.96(2H,s),6.60(1H,dd,J=8.0Hz,1.6Hz),6.72(1H,d,J=1.6Hz),6.82(1H,d,J=8.0Hz),7.03(1H,dd,J=8.4Hz,2.0Hz),7.18(1H,d,J=8.4Hz),7.42(1H,d,J=2.0Hz)
实施例280
2-(4-羧哌啶子基)-6-氯-1-(3,4-亚甲二氧苄基)苯并咪唑
分子式:C21H20ClN3O4
m.p:无定形
Mass m/e 414(MH+)
NMR δ(DMSO-d6);
1.70~1.79(2H,m),1.80~1.89(2H,m),2.31~2.42(1H,m),2.90~2.97(2H,m),3.38~3.45(2H,m),5.15(2H,s),5.96(2H,s),6.61(1H,d,J=8.0Hz),6.73(1H,s),6.83(1H,d,J=8.0Hz),7.06(1H,dd,J=8.4Hz,2.0Hz),7.30(1H,d,J=2.0Hz),7.38(1H,d,J=8.4Hz)
实施例281-291所述化合物按实施例88-94所述方法制备
实施例281
2-(4-羧哌啶子基)-4-(3,5-二氯-4-甲氧基-苄氨基)-6-氰基喹唑啉
分子式:C23H21Cl2N5O3
产率:98%
m.p.(℃);255~256(dec.)
Mass m/e;486(M+1)+
·NMR δ(DMSO-d6);
1.36(2H,brm),1.80(2H,brm),2.52(1H,m),3.03(2H,m),3.78(3H,s),4.59(2H,d,J=6.0Hz),4.59(2H,brm),7.29(1H,d,J=8.8Hz),7.50(2H,s),7.75(1H,dd,J=8.8Hz,1.6Hz),8.53(1H,d,J=1.6Hz),8.85(1H,brt,J=6.0Hz),12.18(1H,brs)
实施例282
2,6-二氯-4-(4-乙氧羰基哌啶子基)喹唑啉
分子式:C16H17Cl2N3O2
产率:100%
m.p.(℃);101~103
Mass m/e;354(M+1)
·NMR δ(CDCl3);
1.30(3H,t,J=7.2Hz),1.99(2H,m),2.14(2H,m),2.69(1H,m),3.35(2H,dt,J=11.2Hz,2.4Hz),4.20(2H,q,J=7.2Hz),4.31(2H,dt,J=13.6Hz,3.6Hz),7.67(1H,dd,J=8.8Hz,2.2Hz),7.76(1H,d,J=8.8Hz),7.79(1H,d,J=2.2Hz)
实施例283
2-〔N-(2-(2-吡啶基)乙基)甲氨基〕-4-(3,4-亚甲二氧苄基)〕氨基-6-氯喹唑啉二盐酸盐
分子式:C24H22ClN5O2·2HCl
产率:94%
m.p.(℃);234~236(dec.)
Mass m/e;448(M+1)+
·NMR δ(DMSO-d6);
3.2~3.3(5H,br),4.12(2H,br),4.61(2H,br),5.97(2H,s),6.82(1H,brd),6.88(1H,brd),7.00(1H,s),7.74(2H,br),7.86(1H,dd,J=9.2Hz,2.0Hz),8.01(1H,br),8.26(1H,br),8.57(1H,d,J=2.0Hz),8.74(1H,br),10.16(1H,brs),12.12(1H,brs)
实施例284
2-(4-羧哌啶子基)-4-(3,4-二羟苄基)氨基-6-氯喹唑啉
分子式:C21H21ClN4O4
产率:95%
m.p.(℃);216~218(dec.)
Mass m/e;429(MH+)
NMR δ(DMSO-d6);
1.38~1.47(2H,m),1.80~1.84(2H,m),2.44~2.49(1H,m),2.93~3.00(2H,m),4.48(2H,d,J=5.6Hz),4.57~4.61(2H,m),6.60~6.65(2H,m),6.74(1H,d,J=1.6Hz),7.24(1H,d,J=8.8Hz),7.46(1H,dd,J=8.8Hz,2.0Hz),8.15(1H,d,J=2.0Hz),8.48(1H,brs),8.675(1H,s),8.75(1H,s),12.14(1H,brs)
实施例285
2,6-二氯-4-(5-羟戊基)氨基喹唑啉
分子式:C13H15Cl2N3O
产率:82%
m.p.(℃);134~135
Mass m/e;300(M+1)+
NMR δ(CDCl3);
1.53(2H,m),1.65(2H,m),1.76(2H,m),3.63(2H,m),3.66(2H,m),7.61(1H,dd,J=8.8Hz,2.4Hz),7.67(1H,d,J=8.8Hz),7.85(1H,brs),8.20(1H,d,J=2.4Hz)
实施例286
2-(4-羧哌啶子基)-4-(5-硝基氧戊基)氨基-6-氯喹唑啉
分子式:C19H24ClN5O5
产率:80%
m.p.(℃);176~179(dec.)
Mass m/e;438(MH+)
NMR δ(DMSO-d6);
1.34~2.00(10H,m),2.57~2.64(1H,m),3.18~3.59(4H,m),4.44~4.58(4H,m),7.72~7.86(2H,m),8.39~8.41(1H,m),12.31(2H,brs)
实施例287
2-〔(羧甲基)甲基〕氨基-4-(3-吡啶基〕甲基)-氨基-6-氯喹唑啉
分子式:C17H16ClN5O2
产率:97%
m.p.(℃);222~223
Mass m/e;358(M+1)
NMR δ(DMSO-d6);
3.10(3H,s),4.22(2H,brs),4.63(2H,brs),7.31(2H,m),7.48(1H,m),7.72(1H,m),8.14(1H,d,J=2.4Hz),8.43(1H,d,J=4.8Hz),8.59(1H,m),8.66(1H,brs)
实施例288
2-〔N-(3-羧丙基)-N-甲基〕氨基〕-4-(3-吡啶甲基)氨基-6-氯喹唑啉
分子式:C19H20ClN5O2
产率:41%
m.p.(℃);110~112
Mass m/e;386(M+1)
·NMR δ(DMSO-d6);
1.67(2H,brs),2.09(2H,m),3.02(3H,s),3.53(2H,t,J=6.8Hz),4.67(2H,d,J=5.6Hz),7.24(2H,d,J=8.8Hz),7.31(1H,dd,J=8.0Hz,4.8Hz),7.47(1H,dd,J=8.8Hz,2.0Hz),7.73(1H,d,J=8.0Hz),8.13(1H,d,J=2.0Hz),8.41(1H,d,J=4.8Hz),8.58(1H,s),8.62(1H,brs),12.04(1H,brs)
实施例289
2-(4-羧哌啶子基)-4-(2-吡啶甲基)氨基-6-氯喹唑啉
分子式:C20H20ClN5O2
产率:92%
m.p.(℃);235~237
Mass m/e;398(M+1)
·NMR δ(DMSO-d6);
1.25~1.45(2H,m),1.71~1.83(2H,m),2.45~2.54(1H,m),2.93~3.10(2H,m),4.37~4.48(2H,m),4.77(2H,d,J=5.5Hz),7.25(1H,dd,J=7.7Hz,5.0Hz),7.37(1H,d,J=7.7Hz),7.48(1H,brs),7.63(1H,brs),7.73(1H,td,J=7.7Hz,1.6Hz),8.34(1H,brs),8.51(1H,brd,J=5.0Hz),12.23(1H,brs)
实施例290
2-(4-羧哌啶子基)-4-(3-吡啶甲基)氨基-6-氯喹唑啉
分子式:C20H20ClN5O2
产率:93%
m.p.(℃);>250
Mass m/e;398(M+1)
NMR δ(DMSO-d6);
1.45~1.60(2H,m),1.84~1.97(2H,m),2.58~2.68(1H,m),3.25~3.45(2H,m),4.45~4.54(2H,m),4.80(2H,d,J=5.7Hz),7.41(1H,dd,J=7.9Hz,4.8Hz),7.82(1H,dd,J=9.0Hz,2.0Hz),7.86~7.96(2H,m),8.50(1H,d,J=4.8Hz),8.55(1H,d,J=1.6Hz),8.69(1H,s)
实施例291
2-(4-羧哌啶子基)-4-(4-吡啶甲基)氨基-6-氯喹唑啉
分子式:C20H20ClN5O2
产率:89%
m.p.(℃);167~168
Mass m/e;398(M+1)
NMR δ(DMSO-d6);
1.24~1.36(2H,m),1.68~1.77(2H,m),2.40~2.49(1H,m),2.86~2.96(2H,m),4.42~4.50(2H,m),4.66(2H,d,J=5.7Hz),7.28(1H,d,J=9.0Hz),7.34(2H,d,J=6.0Hz),7.51(1H,dd,J=9.0Hz,2.4Hz),8.18(1H,d,J=2.4Hz),8.47(2H,d,J=6.0Hz),8.74(1H,t,J=5.7Hz)
实施例292
2-(6-硝基氧基己氧基)-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉
860mg2-(6-羟己氧基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉溶解在15mg吡啶中,然后在冰冷却下加入570mg甲基氯。搅拌所得混合物10小时,接着加水,用乙酸乙酯萃取混合物,干燥有机层,浓缩,得到1.2g粗2-(6-甲苯磺酰氧己氧基)-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉。
将3g碘化钠和30ml二甲基甲酰胺加到粗产物中。将混合物在60℃下维持1小时,接着加水,混合物用乙酸乙酯萃取,用氯化钠水溶液洗涤有机层,干燥和浓缩,残余物借助硅胶柱色谱提纯,得到450mg2-(6-碘己氧基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉。
将410mg2-(6-碘己氧基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉悬浮于15ml乙腈中,接着加入900mg硝酸银。所得混合物在60℃下维持1小时,接着加入水和乙酸乙酯,过滤除去不溶物,回收有机层,干燥,借助硅胶柱色谱法提纯,得到340mg标题化合物。
分子式:C22H23ClN4O6(474.5)
产率:95%
m.p.(℃);121~122
Mass;475(MH+)
NMR δ(CDCl3);
1.42~1.59(4H,m),1.70~1.89(4H,m),4.43(4H,q,J=6.8Hz),4.73(2H,d,J=4.4Hz),5.95(2H,s),6.28(1H,br),6.77(1H,d,J=8.0Hz),6.83(1H,d,J=8.0Hz),6.85(1H,s),7.54(1H,d,J=8.8Hz),7.58(1H,d,J=8.8Hz),7.66(1H,s)
实施例293
2-(3-磺基丙氧基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将1g2-(3-羟丙氧基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉和540mg三氧化硫/三乙胺配合物悬浮于10ml吡啶中。将所得悬浮液搅拌过夜,接着加乙酸乙酯,过滤回收沉淀的晶体,将其悬浮于甲醇中并通过加1N氢氧化钠将其溶解。加入乙醚使晶体沉淀。过滤回收晶体,得到400mg(32%)标题化合物。
分子式:C19H17ClN3NaO7S(489.5)
产率:32%
m.p.(℃);190~192(dec.)
Mass;490(MH+)
NMR δ(DMSO-d6);
1.90~1.95(2H,m),3.82(2H,t,J=6.4Hz),4.28(2H,t,J=6.8Hz),4.61(2H,d,J=5.6Hz),5.95(2H,s),6.84(2H,s),6.98(1H,s),7.50(1H,d,J=8.8Hz),7.64(1H,dd,J=8.8Hz,2.4Hz),8.84(1H,d,J=2.4Hz),8.79(1H,t,J=1.6Hz)
实施例294
2-(4-乙氧羧基哌啶子基)羰基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉盐酸盐
将0.50ml(3.3mmol)氰基磷酸二乙酯在3ml二甲基甲酰胺中的溶液和0.50ml(3.6mmol)三乙胺在冰冷却、搅拌下依次加到0.78g(2.2mmol)2-羧-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉和0.50g(3.2mmol)异哌啶甲酸乙酯在7μl二甲基甲酰胺中的溶液。在冰冷却下搅拌所得混合物30分钟,然后在室温下搅拌3小时,接着加水。所得混合物用乙酸乙酯萃取,有机层用无水硫酸镁干燥并过滤减压蒸除滤液中的溶剂。残余物在盐酸/乙醇/乙醚中重结晶得到0.96g标题化合物。
分子式:C25H25ClN4O5·HCl
产率:82%
m.p.(℃);205~206(dec.)
Mass m/e;497(M+1)+
·NMR δ(DMSO-d6);
1.18(3H,t,J=7.2Hz),1.51(2H,m),1.70(1H,m),1.95(1H,m),2.66(1H,m),3.02(1H,m),3.11(1H,m),3.62(1H,m),4.08(2H,q,J=7.2Hz),4.31(1H,m),4.71(1H,dd,J=14.9Hz,6.0Hz),4.78(1H,dd,J=14.9Hz,6.0Hz),5.97(2H,s),6.84(1H,d,J=8.0Hz),6.87(1H,dd,J=8.0Hz,1.2Hz),6.97(1H,d,J=1.2Hz),7.82(1H,d,J=9.2Hz),7.97(1H,dd,J=9.2Hz,2.0Hz),8.67(1H,d,J=2.0Hz),10.13(1H,brs)
实施例295
2-〔N-(2-硫乙基)氨基甲酰基〕-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉盐酸盐
将0.60ml(3.8mmol)氰基磷酸二乙酯和0.90ml(6.4mmol)三乙胺,在冰冷却和搅拌下依次滴加到0.50g(1.40mmol)2-羧基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉和0.28g(1.9mmol)2-氨基乙磺酸钠在15ml二甲基甲酰胺中的溶液。所得混合物在室温下搅拌几天,然后加入10ml1N盐酸和水。过滤回收形成的晶体,水洗,干燥,得到0.61g标题化合物。
分子式:C19H17ClN4O6S·HCl
产率:93%
·NMR δ(DMSO-d6);
2.76(2H,t,J=6.4Hz),3.67(2H,q,J=6.4Hz),5.01(2H,d,J=5.6Hz),5.99(2H,s),6.88(1H,d,J=7.6Hz),7.05(1H,dd,J=7.6Hz,1.6Hz),7.11(1H,d,J=1.6Hz),8.09(1H,dd,J=8.8Hz,2.0Hz),8.13(1H,d,J=8.8Hz),8.68(1H,d,J=2.0Hz),9.97(1H,t,J=5.6Hz),10.55(1H,brs)
实施例296
2-(4-顺-羧环己基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
(a)2-(4-乙氧羰基环己羰基)氨基-5-氯苯甲酰胺
将1.5g4-乙氧羰基环己羰基氯化物在室温下加到1.23g2-氨基-5-氯苯甲酰胺盐酸盐,3mlN,N-异丙基乙胺和100ml四氢呋喃的混合物中,将所得混合物在室温下搅拌过夜,接着加水。用乙酸乙酯萃取混合物。有机层用水和饱和氯化钠洗涤,硫酸镁干燥,浓缩,残余物借助硅胶柱色谱法(30-35%乙酸乙酯/己烷)提纯,得到1.5g标题化合物(顺/反混合物)。
(b)2-(4-乙氧羰基环己基)-6-氯喹唑啉-4-酮
1.3g步骤(a)所述化合物悬浮于20ml乙醇中,将320mg叔丁醇钾在室温下分三批加到上述悬浮液中。所得混合物在室温下反应过夜,将反应混合物部分浓缩,接着加水和3.5ml1N盐酸。过滤回收形成的晶体,水洗,在五氧化磷存在下真空干燥,得到1.16g标题化合物(顺/反混合物)。
(c)2-(4-顺-乙氧羰基环己基)-4,6-二氯喹唑啉
将20ml氧氯化磷加到1.0g步骤(b)所述化合物中,将混合物加热回流2小时。将50ml氯仿加到残余物中,形成的溶液倾入冰冷的饱和碳酸氢钠水溶液中。过滤回收氯仿层,合并氯仿层,用饱和氯化钠水溶液洗涤,硫酸镁干燥,通过硅胶板过滤,用10%乙酸乙酯/己烷洗涤硅胶,合并洗液和滤液并浓缩。残余物借助硅胶柱色谱法提纯(5%乙酸乙酯/己烷)得到145mg标题化合物。
·NMR δ(CDCl3);
1.28(3H,t,J=7.2Hz),1.69~1.78(2H,m),1.92~2.02(2H,m),2.05~2.21(4H,m),2.61~2.68(1H,m),3.05~3.13(1H,m),4.17(2H,q,J=7.2Hz),7.83(1H,dd,J=9.2Hz,2.4Hz),7.94(1H,d,J=9.2Hz),8.19(1H,d,J=2.4Hz)
同时,得到极性较高的470mg2-(4-反-乙氧羰基环己基)-4,6-二氯喹唑啉
NMR δ(CDCl3);
1.28(3H,t,J=7.2Hz),1.57~1.69(2H,m),1.71~1.84(2H,m),2.13~2.24(4H,m),1.41(1H,tt,J=12.2Hz,3.5Hz),2.99(1H,tt,J=12.2Hz,3.5Hz),4.15(2H,q,J=7.2Hz),7.84(1H,dd,J=9.2Hz,2.4Hz),7.94(1H,d,J=9.2Hz),8.20(1H,d,J=2.4Hz)
(d)2-(4-顺-乙氧羧基环己基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
145mg步骤(c)所述化合物,80mg3,4-亚甲二氧苯甲酰胺,20μl三乙胺和5ml异丙醇的混合物在80℃下保持3小时进行反应。浓缩反应混合物,用乙酸乙酯/水萃取。有机层用水和饱和的氯化钠水溶液洗涤,无水硫酸镁干燥,浓缩,残余物借助硅胶柱色谱法(15%乙酸乙酯/己烷)提纯,得到190mg标题化合物。
·NMR δ(CDCl3);
1.25(3H,t,J=7.2Hz),1.66~1.75(2H,m),1.84~1.72(2H,m),2.05~2.23(4H,m),2.60~2.66(1H,m),2.85~2.93(1H,m),4.15(2H,q,J=7.2Hz),4.74(2H,d,J=5.6Hz),5.72(1H,t,J=5.6Hz),5.96(2H,s),6.79(1H,d,J=8.0Hz),6.85~6.90(2H,m),7.58~7.62(2H,m),7.74(1H,d,J=9.6Hz)
(e)2-(4-顺-羧基环己基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将25ml乙醇和2ml1N的氢氧化钠水溶液加到步骤(d)所述的化合物中,所得混合物在60℃保持8小时,然后回流3小时,将反应混合物冷却至室温,接着加入2ml1N的盐酸水溶液,将混合物部分浓缩,沉淀出晶体,用水和乙醚洗涤,在五氧化磷存在下真空干燥,得到138mg标题化合物。
分子式:C23H22ClN3O4
产率:77%
m.p.(℃);152~153
Mass m/e;440(M+1)
NMR δ(DMSO-d6);
1.54~1.64(2H,m),1.66~1.76(2H,m),1.89~2.02(4H,m),2.69~2.77(1H,m),4.63(2H,d,J=5.6Hz),5.96(2H,s),6.84(1H,d,J=8.0Hz),6.89(1H,dd,J=8.0Hz,1.6Hz),6.95(1H,d,J=1.6Hz),7.63(1H,d,J=8.8Hz),7.71(1H,dd,J=8.8Hz,2.4Hz),8.36(1H,d,J=2.4Hz),8.71(1H,t,J=5.6Hz)
实施例297
2-(4-反-羧环己基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
(a)2-(4-反-乙氧羰基环己基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
按照实施例296步骤(d)方法,处理实施例296步骤(c)的145mg反式异构体,得到180mg标题化合物。
·NMR δ(CDCl3);
1.27(3H,t,J=7.2Hz),1.54~1.67(2H,m),1.70~1.83(2H,m),2.08~2.17(4H,m),2.39(1H,tt,J=12.2Hz,3.2Hz),2.79(1H,tt,J=12.2Hz,3.2Hz),4.14(2H,q,J=7.2Hz),4.76(2H,d,J=5.5Hz),5.82(1H,t,J=5.5Hz),5.96(2H,s),6.79(1H,d,J=7.9Hz),6.86(1H,dd,J=7.9Hz,1.6Hz),6.90(1H,d,J=1.6Hz),7.59~7.63(2H,m),7.73(1H,d,J=7.9Hz)
(b)2-(4-反-羧环己基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
按实施例296步骤(e)所述方法水解步骤(a)所述化合物,得到163mg标题化合物。
分子式:C23H22ClN3O4
产率:96%
m.p.(℃);245~246
Mass m/e;440(M+1)
·NMR δ(DMSO-d6);
1.38~1.50(2H,m),1.55~1.68(2H,m),1.94~2.04(4H,m),2.34(1H,tt,J=11.9Hz,3.1Hz),2.60(1H,tt,J=11.9Hz,3.1Hz),4.66(2H,d,J=5.7Hz),5.97(2H,s),6.85(1H,d,J=8.1Hz),6.88(1H,dd,J=8.1Hz,1.5Hz),6.98(1H,d,J=1.5Hz),7.63(1H,d,J=9.0Hz),7.72(1H,dd,J=9.0Hz,2.4Hz),8.37(1H,d,J=2.4Hz),8.71(1H,brt,J=5.7Hz),12.04(1H,s)
实施例298
2-(4-反-羧环己基)-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
(a)4-(4-甲氧羰基环己羰基)氨基苯基-1,3-二羧酰胺
5.1g4-甲氧羰基环己羰基氯化物在室温下加到3.6g 4-氨基苯-1,3-二氨基甲酰胺,5mlN,N-二甲基苯胺和50ml四氢呋喃的混合物中,所得混合物反应过夜,接着加水。过滤回收沉淀的晶体,用水和乙醚洗涤,干燥,得到5.77g标题化合物。
(b)2-(4-甲氧羰基环己基)-6-氨基甲酰基喹唑啉-4-酮
将5.7g步骤(a)化合物悬浮于200ml甲醇中,接着加入1.84g叔丁醇钾。所得混合物在室温下反应过夜,然后加水。用浓盐酸酸化所得混合物,过滤回收晶体,用水和乙醚洗涤,得到5.04g标题化合物。
(c)2-(4-反-甲氧羰基环己基)-4-氯-6-氰基喹唑啉
将2.0g步骤(b)化合物2.0g氯化锂和40ml氧氯化磷的混合物回流加热6小时,过滤除去不溶物,浓缩滤液,残余物借助硅胶柱色谱法(10%乙酸乙酯/己烷)提纯,使反式异构体与顺式异构体分离,得到180mg标题化合物。
NMR δ(CDCl3);
1.57~1.70(2H,m),1.72~1.84(2H,m),2.12~2.26(4H,m),2.43(1H,tt,J=12.3Hz,3.2Hz),3.03(1H,tt,J=11.9Hz,3.0Hz),3.71(3H,s),8.04(1H,dd,J=8.8Hz,1.6Hz),8.08(1H,dd,J=8.8Hz,0.5Hz),8.62(1H,dd,J=1.6Hz,0.5Hz)
(d)2-(4-反-甲氧羰基环己基)-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
180mg步骤(c)化合物,100mg3,4-亚甲二氧苄胺,200μl三乙胺和5ml异丙醇的混合物在80℃保持1小时。浓缩反应混合物,用乙酸乙酯/水萃取混合物。有机层用水和饱和氯化钠洗涤,在无水硫酸镁中干燥并浓缩。残余物借助硅胶柱色谱法(10%乙酸乙酯/苯)提纯,得到157mg标题化合物。
·NMR δ(CDCl3);
1.55~1.68(2H,m),1.70~1.82(2H,m),2.10~2.18(4H,m),2.42(1H,tt,J=12.3Hz,3.2Hz),2.81(1H,tt,J=11.9Hz,3.0Hz),3.70(3H,s),4.78(2H,d,J=5.5Hz),6.96(2H,s),6.20(1H,t,J=5.5Hz),6.80(1H,d,J=7.9Hz),6.88(1H,dd,J=7.9Hz,1.6Hz),6.90(1H,d,J=1.6Hz),7.82(2H,s),8.11(1H,s)
(e)2-(4-反-羧环己基)-4-(3,4-亚甲二氧苄基)氨基-6-氰基喹唑啉
157mg步骤(d)化合物,1ml1N的氢氧化钠水溶液,3ml甲醇和6ml四氢呋喃的混合物在室温下反应24小时。向反应混合物中依次加入1ml1N的盐酸和5ml水,过滤回收沉淀的晶体,水洗,干燥,得到138mg标题化合物。
分子式:C24H22N4O4
产率:91%
m.p.(℃);269~270
·Mass m/e;431(M+1)
·NMR δ(DMSO-d6);
1.38~1.50(2H,m),1.55~1.68(2H,m),1.95~2.04(4H,m),2.24(1H,tt,J=11.9Hz,3.1Hz),2.63(1H,tt,J=11.9Hz,3.1Hz),4.68(2H,d,J=5.7Hz),5.97(2H,s),6.86(1H,d,J=7.9Hz),6.90(1H,dd,J=7.9Hz,1.5Hz),6.99(1H,d,J=1.5Hz),7.71(1H,d,J=8.8Hz),8.01(1H,dd,J=8.8Hz,1.6Hz),8.82(1H,d,J=1.6Hz),8.95(1H,t,J=5.7Hz)
实施例299
2-氨基甲酰甲基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
(a)2-乙氧羰甲基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
按实施例296所述方法,制备标题化合物。
NMR δ(CDCl3);
1.27(3H,t,J=7.1Hz),3.93(2H,s),4.22(2H,q,J=7.1Hz),4.71(2H,d,J=5.5Hz),5.83(1H,t,J=5.5Hz),5.96(2H,s),6.78(1H,d,J=7.9Hz),6.85(1H,dd,J=7.9Hz,1.6Hz),6.89(1H,d,J=1.6Hz),7.60~7.65(2H,m),7.74(1H,d,J=9.0Hz)
(b)2-氨基甲酰基甲基-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
将200mg步骤(a)化合物和20ml乙醇的混合物于冰浴中冷却。向混合物中加入氨水至饱和。逐渐将混合物升至室温并反应三天,浓缩反应混合物,残余物借助硅胶柱色谱法提纯(0-20%乙醇/乙酸乙酯),得到24mg标题化合物。
实施例300
2-(4-氰基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉
75ml亚硫酰氯和150ml乙腈加到3.8g(0.0086mol)2-(4-氨基甲酰哌啶子基)-4-(3,4-亚甲二氧苄基)-氨基-6-氯喹唑啉中,加热回流反应混合物1小时。减压蒸除混合物中的溶剂。向残余物中加入饱和碳酸氢钠水溶液和三乙胺,所得混合物用乙酸乙酯萃取。有机层用饱和氯化钠洗涤,干燥,过滤,减压蒸除溶剂,残余物借助硅胶柱色谱法(乙酸乙酯/正己烷)提纯,在氯仿/正己烷中重结晶得到3.1g标题化合物。
分子式:C22H20ClN5O2
产率:85%
m.p.(℃);169~170
NMR δ(CDCl3);
1.88(2H,m),1.95(2H,m),2.87(1H,m),3.73(2H,m),4.25(2H,m),4.67(2H,d,J=5.6Hz),5.65(1H,t,J=5.6Hz),5.97(2H,s),6.79(1H,d,J=8.0Hz),6.84((1H,dd,J=8.0Hz,1.6Hz),6.87(1H,d,J=1.6Hz),7.39(1H,d,J=8.8Hz),7.44(1H,d,J=2.4Hz),7.46(1H,dd,J=8.8Hz,2.4Hz)
实施例301
2-〔4-(1H-四唑-5-基)哌啶子基〕-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉盐酸盐
将10ml甲苯加到0.50g(0.0012mol)2-(4-氰基哌啶子基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉和0.50g(0.0024mol)三甲基甲锡烷基叠氮化物的混合物中,所得混合物加热回流2天。减压蒸除混合物中的溶剂。将残余物悬浮于10ml乙醇中,接着加10ml1N的盐酸,在室温下搅拌混合物几小时,过滤回收晶体,晶体用水洗,空气干燥,得到0.60g标题化合物。
分子式:C22H21ClN8O2·HCl
产率:定量
m.p.(℃);212~214
Mass m/e;465(M+1)+
NMR δ(DMSO-d6);
1.80(2H,m),2.17(2H,m),3.45(2H,m),4.62(2H,m),4.69(2H,d,J=5.6Hz),5.97(2H,s),6.86(1H,d,J=7.6Hz),6.91((1H,dd,J=7.6Hz,1.6Hz),7.01(1H,d,J=1.6Hz),7.84(1H,dd,J=8.8Hz,1.6Hz),7.88(1H,d,J=8.8Hz),8.51(1H,d,J=1.6Hz),10.13(1H,brs),12.28(1H,brs)
实施例302
2-(1H-四唑-5-基)-4-(3,4-亚甲二氧苄基)氨基-6-氯喹唑啉盐酸盐
按实施例301所述方法制备该标题化合物。
分子式:C17H12ClN7O2·HCl
产率:37%
m.p.(℃);201~204(dec.)
Mass m/e;382(MH)+
NMR δ(DMSO-d6);
4.90(2H,d,J=5.6Hz),5.97(2H,s),6.87(1H,d,J=8.0Hz),6.98((1H,dd,J=8.0Hz,2.0Hz),7.11(1H,d,J=2.0Hz),7.92~7.94(2H,m),8.60(1H,d,J=1.6Hz),9.53(1H,brs)
Claims (1)
1、式(1)所示含氮杂环化合物的制备方法:
其中环A为苯、吡啶或环已烷环,环B为吡啶、嘧啶或咪唑环,条件是:环A和环B共用两个原子,它们可以是碳或氮原子,而且若环A为吡啶环,除非环B与所述吡啶环共用一个氮原子,则在所有情况下环A代表下式所示环:
式中R1,R2,R3和R4可相同或不同,分别代表氢,卤素,可被卤素取代的低级烷基,可被取代的环烷基,低级烷氧基,羟烷基,硝基,氰基或酰氨基,可被保护的羧基,下式所示的一个基团:
(式中R7代表低级烷基,n为0或1-2的整数),或下式所示基团:
(其中R45和R46可相同或不同,分别代表氢,低级烷基,或者R45和R46与连结它们的氮原子一起形成一个环,该环可含有另一氮原子或氧原子并可被取代),或R1,R2,R3和R4中的其中两个一同形成一亚甲二氧基,亚乙二氧基或苯环;
R5代表氢或卤素,羟基,肼基或低级烷基,可被取代的环烷基,低级烷基或低级烯基,可被保护的羧烷基或羧烯基,羟烷基,可被保护的羧基,下式所示基团
(其中R8代表低级烷基,m为0或1-2的整数),下式所示基团:-O-R9(其中R9代表可被保护的羟烷基或羧烷基或可被取代的苄基),下式所示基团:
(其中R23代表羟基,低级烷基,低级烷氧基,羟烷基或羟烷氧基),可被取代的杂芳基,1,3-苯并二噁基(1,3-benzdioxolyl)1,4-苯并二氧基,1,3-苯并二噁烷基或1,4-苯并二氧烷基,下式代表的基团:-C(R24)=X[其中X代表氧或式=N-R10所示基团(其中R10代表羟基或氰基或被保护的羧烷氧基);R24代表氢或低级烷基]或下式所示基团:-NR11R12(其中R11和R12可相同或不同,分别代表氢,低级烷基,羟烷基或可被保护的氨烷基,羧烷基,可被保护的烷基氨基甲酰基,羧烷基氨基甲酰基,可被取代的杂芳烷基或1,3-苯并噁基烷基或1,4-苯甲羧基烷基,或者R11和R12与它们相连结的氮原子一起形成一个环,该环可含另一氮原子或氧原子并可被取代);
R6代表氢或卤素,羟基,氨基,低级烷基,低级烷氧基,低级链烯基,1,3-苯并二噁烷氧基或1,4-苯并二氧烷氧基,可被取代的苯基烷氧基,下式所示基团:
(其中R13和R14可相同或不同,分别代表氢或低级烷基或低级烷氧基,或者R13和R14共同形成亚甲二氧基或亚乙二氧基),下式代表的一个基团:
(其中R15和R16可相同或不同,分别代表氢或低级烷基或低级烷氧基,或者R15和R16共同形成一亚甲二氧基或亚乙二氧基),哌啶-4-螺-2′-二噁烷-1-基,下式所示基团:
(其中R48和R49可相同或不同,分别代表氢或低级烷基或低级烷氧基,或者R48和R49共同形成一亚甲二氧基或亚乙二氧基,z代表硫或氧原子),下式所示基团:
(其中R50代表羟基,卤素,低级烷基或低级烷氧基,可被保护的羧基或氰基,羟烷基或羧烷基),下式所示基团:
[其中R17代表氢,低级烷基,丙烯酰基或低级烷氧烷基,可被保护的羧烷基或羟烷基;Y代表-(CH2)q-(其中q为O或1-8的整数)或代表
,条件是,当q为1-8的整数时,每个碳原子有一个或多个取代基;R18代表氢,羟基,可被保护的羧基,氰基或酰基或杂芳基或可被取代的环烷基],或下式所示的基团:
(其中R19代表氢,低级烷基,低级烷氧烷基或酰基,可被保护的羧烷基或羟烷基;R20,R21和R22可相同或不同,分别代表氢或卤素,羟基,氨基,硝基,低级烷基,低级烷氧基,低级烷氧烷基,低级链烯基,酰基,酰氨基,烷基磺酰氨基,羟亚氨烷基,烷氧羰基氨基或烷氧羰氧基或可被取代的杂芳基,或者R20,R21和R22中两者共同形成一个含有氮、硫或氧原子的饱和或不饱和环;r为0或1-8的整数),
该方法包括,
(1)当在上述式(1)化合物中,R5为氢或卤素或选自通过碳-碳键直接链连在喹唑啉骨架上的基团时,使式(Ⅱ)所示化合物与氯氧化磷或在五氯化磷存在下加热与氯氧化磷反应,得到式(Ⅲ)所示喹唑啉衍生物:
其中R5a为氢或卤素或者选自如R5定义所述基团,并通过碳-碳键直接键连在喹唑啉骨架上,或
(2)当在上述式(1)化合物中,R5为氢或卤素或选自低级烷基,可被取代羧基的基团,或下式所示基团:
(其中R8和m分别如上所述),式-O-R9所示基团(其中R9如上所述)和杂芳基,可被取代的1,3-苯并二噁基,1,4-苯并二噁基,1,3-苯并二噁烷基和1,4-苯并二氧烷基;R6如前所述,但不为氢和卤素和低级烷基,
使式(Ⅳ)所示化合物与式(Ⅵ)所示化合物在碱存在下于对反应呈惰性的溶剂中进行反应,反应温度为-20℃-300℃:
其中R1,R2,R3和R4定义同前;R5b代表氢或卤素或选自如下的基团:低级烷基,可被保护的羧基,下式所示基团:
(其中R8和m同前所述),式-O-R9(其中R9如前所述)所示基团,可被取代的1,3-苯并二噁基,1,4-苯并二氧基,1,3-苯并二噁烷基和1,4-苯并二氧烷基:
R6a如R6所述的基团,但不为氢,卤素和低级烷基;
E代表可离去基团,或
(3)当在式(Ⅰ)化合物中,R5定义同前,但不为氢和卤素,以及通过碳-碳键直接连结在喹唑啉骨架上的基团;R6定义同前,但不为卤素,使式(Ⅶ)化合物与式(Ⅸ)化合物在碱存在下于对反应呈惰性的溶剂中进行缩合反应,制备式(Ⅷ)喹唑啉衍生物,缩合反应温度在0-300℃范围,
式中R1,R2,R3和R4定义同前;R5c定义同R5所述,但不为氢和卤素,以及通过碳-碳键直接连结在喹唑啉骨架上的基团;
R6b定义同R6,但不为氢;
F代表可离去基团,或
(4)当在式(Ⅰ)所示化合物,R5为下式所示基团时:
(其中R24为氢或低级烷基),
使式(X)化合物与普通还原剂或亲核试剂,或直接或通过醇(Ⅻ)氧化反应,在对反应呈惰性的溶剂中进行反应来制备式(Ⅺ)所示喹唑啉衍生物,反应温度在0至溶剂回流温度范围:
式中R1,R2,R3,R4和R6定义同前;R24和R25相同或不同,分别代表氢或低级烷基,或
(5)当在式(Ⅰ)化合物,R5代表下式所示基团时:
(其中R10和R24定义同前),
使式(Ⅺ)化合物与羟胺在对反应呈惰性的溶剂中反应的来制备式(ⅩⅢ)所示喹唑啉衍生物,反应温度在0℃至溶剂的回流温度范围:
其中R1,R2,R3,R4,R6,R16和R24定义同前,或
(6)当在式(Ⅰ)化合物,R5代表下式基团时:
(其中R24定义同前;R26代表氢或低级烷基;R27代表氢原子,低级烷基或可被保护的羧基或羧烷基),
使式(ⅩⅣ)化合物与式(ⅩⅥ)或(ⅩⅦ)化合物在对反应呈惰性的溶剂中进行Wittig反应制备式(ⅩⅤ)所示喹唑啉衍生物,反应温度在0℃至溶剂回流温度范围:
其中R1,R2,R3,R4,R6,R24,R26和R27定义同前,Ph代表苯基,或
(7)当在式(Ⅰ)所示化合物,R5代表下式基团时:
(其中R24,R26和R27定义同前),
使式(ⅩⅤ)化合物进行还原来制备式(ⅩⅧ)所示喹唑啉衍生物:
式中R1,R2,R3,R4,R6,R24,R26和R27定义同前,或
(8)当在式(Ⅰ)所示化合物,R6代表下式基团时:
(式中R19,R20,R21和r定义同前),
使式(ⅩⅨ)化合物还原来制备式(ⅩⅩ)所示喹唑啉衍生物:
其中R1,R2,R3,R4,R5,R19,R20,R21和r定义同前,或
(9)当在式(Ⅰ)所示化合物,R5代表-O-R9基团(其中R91代表可被保护的羧基)时,
使式(ⅩⅪ)化合物在对反应呈惰性的溶剂中进行氧化反应来制备式(ⅩⅫ)所示喹唑啉衍生物,反应温度在0℃至溶剂回流温度范围,
式中R1,R2,R3,R4和R6定义同前;m为0或1-2的整数,
使式(ⅩⅫ)化合物与Wittig试剂(ⅩⅩⅢ)或(ⅩⅩⅢ)′在对反应呈惰性的溶剂中反应来制备式(ⅩⅩⅣ)化合物,反应温度在0℃至溶剂回流温度范围:
式中R1,R2,R3,R4,R6和m定义同上;R28,R29和R30相同或不同,分别代表氢或低级烷基,或
使式(ⅩⅩⅣ)化合物还原来制备式(ⅩⅩⅤ)所示喹唑啉衍生物
式中R1,R2,R3,R4,R6,R29,R30和n定义同前,或
(10)当在式(Ⅰ)所示化合物,R6代表下式基团时:
(式中R19,R20,R21和r定义同前,R31代表酰基,低级烷磺酰基或低级烷氧羰基),
使式(ⅩⅩ)化合物在碱存在下进行酰化,磺化或烷氧羰基化,制备式(ⅩⅩⅥ)所示喹唑啉衍生物:
式中R1,R2,R3,R4,R5,R19,R20,R21,R31和r定义同前。
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| CN100347169C (zh) * | 2000-08-21 | 2007-11-07 | 阿斯特拉曾尼卡有限公司 | 喹唑啉衍生物 |
| CN101687818B (zh) * | 2007-02-19 | 2012-08-22 | 卫材R&D管理有限公司 | 甲基n-[3-(6,7-二甲氧基-2-甲氨基喹唑啉-4-基)苯基]对氨羰基苯甲酸的结晶、无定形物或盐 |
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| PT100905A (pt) * | 1991-09-30 | 1994-02-28 | Eisai Co Ltd | Compostos heterociclicos azotados biciclicos contendo aneis de benzeno, ciclo-hexano ou piridina e de pirimidina, piridina ou imidazol substituidos e composicoes farmaceuticas que os contem |
| AU661533B2 (en) * | 1992-01-20 | 1995-07-27 | Astrazeneca Ab | Quinazoline derivatives |
| JP2657760B2 (ja) * | 1992-07-15 | 1997-09-24 | 小野薬品工業株式会社 | 4−アミノキナゾリン誘導体およびそれを含有する医薬品 |
| PH31122A (en) * | 1993-03-31 | 1998-02-23 | Eisai Co Ltd | Nitrogen-containing fused-heterocycle compounds. |
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| CN101687818B (zh) * | 2007-02-19 | 2012-08-22 | 卫材R&D管理有限公司 | 甲基n-[3-(6,7-二甲氧基-2-甲氨基喹唑啉-4-基)苯基]对氨羰基苯甲酸的结晶、无定形物或盐 |
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| KR0138695B1 (en) | 1998-10-01 |
| AU668363B2 (en) | 1996-05-02 |
| ZA927465B (en) | 1993-04-13 |
| MX9205542A (es) | 1993-03-31 |
| JP3477138B2 (ja) | 2003-12-10 |
| NO941101D0 (no) | 1994-03-25 |
| NO941101L (no) | 1994-05-30 |
| JP2000273089A (ja) | 2000-10-03 |
| AU2685192A (en) | 1993-05-03 |
| US5693652A (en) | 1997-12-02 |
| JP3671131B2 (ja) | 2005-07-13 |
| WO1993007124A1 (fr) | 1993-04-15 |
| JP2000264885A (ja) | 2000-09-26 |
| NZ244526A (en) | 1995-07-26 |
| EP0607439A4 (en) | 1994-12-07 |
| US5801180A (en) | 1998-09-01 |
| FI941417A0 (fi) | 1994-03-25 |
| DE69232336T2 (de) | 2002-08-29 |
| JP2818487B2 (ja) | 1998-10-30 |
| FI941417A7 (fi) | 1994-03-25 |
| JP3481900B2 (ja) | 2003-12-22 |
| JP3081172B2 (ja) | 2000-08-28 |
| JP2000264877A (ja) | 2000-09-26 |
| JPH08500557A (ja) | 1996-01-23 |
| HU9400910D0 (en) | 1994-06-28 |
| ATE211734T1 (de) | 2002-01-15 |
| EP0607439B1 (en) | 2002-01-09 |
| HUT70854A (en) | 1995-11-28 |
| JPH1095776A (ja) | 1998-04-14 |
| PT100905A (pt) | 1994-02-28 |
| US5576322A (en) | 1996-11-19 |
| DE69232336D1 (de) | 2002-02-14 |
| EP0607439A1 (en) | 1994-07-27 |
| CA2116336A1 (en) | 1993-04-15 |
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