CN1094720A - 新的紫杉类化合物、其制备以及含有它们的药物组合物 - Google Patents
新的紫杉类化合物、其制备以及含有它们的药物组合物 Download PDFInfo
- Publication number
- CN1094720A CN1094720A CN93121690A CN93121690A CN1094720A CN 1094720 A CN1094720 A CN 1094720A CN 93121690 A CN93121690 A CN 93121690A CN 93121690 A CN93121690 A CN 93121690A CN 1094720 A CN1094720 A CN 1094720A
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- China
- Prior art keywords
- carbon atom
- acid
- group
- alkyl
- hydrogen atom
- Prior art date
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000008194 pharmaceutical composition Substances 0.000 title claims abstract description 5
- -1 bicyclic alkyl Chemical group 0.000 claims abstract description 54
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 51
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 43
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 27
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims abstract description 20
- 125000003118 aryl group Chemical group 0.000 claims abstract description 20
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 8
- 125000000304 alkynyl group Chemical group 0.000 claims abstract description 8
- 125000000392 cycloalkenyl group Chemical group 0.000 claims abstract description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 8
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims abstract description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 95
- 229910052799 carbon Inorganic materials 0.000 claims description 43
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 39
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 37
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 34
- 239000003960 organic solvent Substances 0.000 claims description 31
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 29
- 239000002253 acid Substances 0.000 claims description 27
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 26
- 150000002148 esters Chemical class 0.000 claims description 25
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 229910052725 zinc Inorganic materials 0.000 claims description 21
- 239000011701 zinc Substances 0.000 claims description 21
- 125000006239 protecting group Chemical group 0.000 claims description 19
- 125000003545 alkoxy group Chemical group 0.000 claims description 18
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 18
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 18
- 238000005886 esterification reaction Methods 0.000 claims description 16
- 150000002825 nitriles Chemical class 0.000 claims description 16
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 15
- 125000005843 halogen group Chemical group 0.000 claims description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 230000032050 esterification Effects 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 150000002576 ketones Chemical class 0.000 claims description 12
- 150000007524 organic acids Chemical class 0.000 claims description 12
- 125000004429 atom Chemical group 0.000 claims description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 125000003368 amide group Chemical group 0.000 claims description 9
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 9
- 239000011707 mineral Substances 0.000 claims description 9
- 150000008065 acid anhydrides Chemical class 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 8
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 claims description 8
- 229940011051 isopropyl acetate Drugs 0.000 claims description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 7
- 239000012190 activator Substances 0.000 claims description 7
- 150000003927 aminopyridines Chemical group 0.000 claims description 7
- 239000000460 chlorine Substances 0.000 claims description 7
- 150000002191 fatty alcohols Chemical class 0.000 claims description 7
- 238000007327 hydrogenolysis reaction Methods 0.000 claims description 7
- GWYFCOCPABKNJV-UHFFFAOYSA-M isovalerate Chemical compound CC(C)CC([O-])=O GWYFCOCPABKNJV-UHFFFAOYSA-M 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 125000002252 acyl group Chemical group 0.000 claims description 6
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 6
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 150000007530 organic bases Chemical class 0.000 claims description 6
- 125000004953 trihalomethyl group Chemical group 0.000 claims description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 5
- 125000003282 alkyl amino group Chemical group 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 229910052794 bromium Inorganic materials 0.000 claims description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 5
- 150000002194 fatty esters Chemical class 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 150000007522 mineralic acids Chemical class 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 5
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 claims description 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 4
- 125000004104 aryloxy group Chemical group 0.000 claims description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 4
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 claims description 4
- 235000019253 formic acid Nutrition 0.000 claims description 4
- 229910052740 iodine Inorganic materials 0.000 claims description 4
- 239000011630 iodine Substances 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 125000003884 phenylalkyl group Chemical group 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 3
- 230000010933 acylation Effects 0.000 claims description 2
- 238000005917 acylation reaction Methods 0.000 claims description 2
- 125000005115 alkyl carbamoyl group Chemical group 0.000 claims description 2
- 125000004414 alkyl thio group Chemical group 0.000 claims description 2
- 125000006615 aromatic heterocyclic group Chemical group 0.000 claims description 2
- 125000005110 aryl thio group Chemical group 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 10
- 239000003513 alkali Substances 0.000 claims 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims 3
- 150000008431 aliphatic amides Chemical class 0.000 claims 3
- 125000001931 aliphatic group Chemical group 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 150000001718 carbodiimides Chemical group 0.000 claims 3
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 claims 3
- 238000010306 acid treatment Methods 0.000 claims 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 125000004036 acetal group Chemical group 0.000 claims 1
- 125000003158 alcohol group Chemical group 0.000 claims 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 125000001033 ether group Chemical group 0.000 claims 1
- 230000026030 halogenation Effects 0.000 claims 1
- 238000005658 halogenation reaction Methods 0.000 claims 1
- 150000002596 lactones Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- CFHIDWOYWUOIHU-UHFFFAOYSA-N oxomethyl Chemical compound O=[CH] CFHIDWOYWUOIHU-UHFFFAOYSA-N 0.000 claims 1
- 230000009257 reactivity Effects 0.000 claims 1
- 230000000259 anti-tumor effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 64
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 51
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 27
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 16
- 239000006260 foam Substances 0.000 description 16
- 238000011282 treatment Methods 0.000 description 16
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 15
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- WGLUMOCWFMKWIL-UHFFFAOYSA-N dichloromethane;methanol Chemical compound OC.ClCCl WGLUMOCWFMKWIL-UHFFFAOYSA-N 0.000 description 11
- YWLXLRUDGLRYDR-ZHPRIASZSA-N 5beta,20-epoxy-1,7beta,10beta,13alpha-tetrahydroxy-9-oxotax-11-ene-2alpha,4alpha-diyl 4-acetate 2-benzoate Chemical class O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](O)C[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 YWLXLRUDGLRYDR-ZHPRIASZSA-N 0.000 description 10
- 239000012074 organic phase Substances 0.000 description 10
- 239000000741 silica gel Substances 0.000 description 10
- 229910002027 silica gel Inorganic materials 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 9
- 239000002609 medium Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- 239000012153 distilled water Substances 0.000 description 8
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 8
- 235000019341 magnesium sulphate Nutrition 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 7
- 229940123237 Taxane Drugs 0.000 description 7
- 239000012300 argon atmosphere Substances 0.000 description 7
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 6
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 150000004820 halides Chemical group 0.000 description 6
- 238000007127 saponification reaction Methods 0.000 description 6
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 125000004663 dialkyl amino group Chemical group 0.000 description 5
- 150000002170 ethers Chemical class 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 150000007529 inorganic bases Chemical class 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 4
- 125000004466 alkoxycarbonylamino group Chemical group 0.000 description 4
- 238000004587 chromatography analysis Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000001990 intravenous administration Methods 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 238000007911 parenteral administration Methods 0.000 description 4
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 4
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 4
- WJKHJLXJJJATHN-UHFFFAOYSA-N triflic anhydride Chemical compound FC(F)(F)S(=O)(=O)OS(=O)(=O)C(F)(F)F WJKHJLXJJJATHN-UHFFFAOYSA-N 0.000 description 4
- UAYWVJHJZHQCIE-UHFFFAOYSA-L zinc iodide Chemical compound I[Zn]I UAYWVJHJZHQCIE-UHFFFAOYSA-L 0.000 description 4
- VAHXMEZCPGHDBJ-QWHCGFSZSA-N (4s,5r)-2,2-dimethyl-3-[(2-methylpropan-2-yl)oxycarbonyl]-4-phenyl-1,3-oxazolidine-5-carboxylic acid Chemical compound OC(=O)[C@@H]1OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]1C1=CC=CC=C1 VAHXMEZCPGHDBJ-QWHCGFSZSA-N 0.000 description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 3
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000006136 alcoholysis reaction Methods 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001540 azides Chemical class 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 230000004663 cell proliferation Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010511 deprotection reaction Methods 0.000 description 3
- WBKFWQBXFREOFH-UHFFFAOYSA-N dichloromethane;ethyl acetate Chemical compound ClCCl.CCOC(C)=O WBKFWQBXFREOFH-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007912 intraperitoneal administration Methods 0.000 description 3
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 2
- HZNVUJQVZSTENZ-UHFFFAOYSA-N 2,3-dichloro-5,6-dicyano-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(C#N)=C(C#N)C1=O HZNVUJQVZSTENZ-UHFFFAOYSA-N 0.000 description 2
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 description 2
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 description 2
- 125000003682 3-furyl group Chemical group O1C([H])=C([*])C([H])=C1[H] 0.000 description 2
- 125000001541 3-thienyl group Chemical group S1C([H])=C([*])C([H])=C1[H] 0.000 description 2
- OVMSOCFBDVBLFW-VHLOTGQHSA-N 5beta,20-epoxy-1,7beta,13alpha-trihydroxy-9-oxotax-11-ene-2alpha,4alpha,10beta-triyl 4,10-diacetate 2-benzoate Chemical compound O([C@@H]1[C@@]2(C[C@H](O)C(C)=C(C2(C)C)[C@H](C([C@]2(C)[C@@H](O)C[C@H]3OC[C@]3([C@H]21)OC(C)=O)=O)OC(=O)C)O)C(=O)C1=CC=CC=C1 OVMSOCFBDVBLFW-VHLOTGQHSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- AOJJSUZBOXZQNB-TZSSRYMLSA-N Doxorubicin Chemical compound O([C@H]1C[C@@](O)(CC=2C(O)=C3C(=O)C=4C=CC=C(C=4C(=O)C3=C(O)C=21)OC)C(=O)CO)[C@H]1C[C@H](N)[C@H](O)[C@H](C)O1 AOJJSUZBOXZQNB-TZSSRYMLSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D305/00—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms
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- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
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- A—HUMAN NECESSITIES
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
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Abstract
新的通式(I)紫杉类化合物,其制备以及含有它
们的药物组合物。
在通式(I)中:
Ar代表芳基,
R代表氢原子或乙酰基、烷氧基乙酰基或烷基,
R1代表苯甲酰基或式R2-O-CO-基团,其中R2
代表任意取代的烷基、链烯基、炔基、环烷基、环烯基、
二环烷基、苯基或杂环基,
新的通式(I)的产物具有显著的抗肿瘤活性。
Description
本发明涉及新的通式(Ⅰ)紫杉类化合物
及其制备以及含有它们的药物组合物
在通式(Ⅰ)中:
Ar代表芳基,
R代表氢原子、乙酰基、烷氧基乙酰基或烷基,
R1代表苯甲酰基或基团R2-O-CO-其中R2代表:
含有1-8个碳原子的直链或支链烷基、
含有2-8个碳原子的链烯基、含有3-8个碳原子的炔基、含有3-6个碳原子的环烷基、含有4-6个碳原子的环烯基或含有7-11个碳原子的二环烷基,这些基团被一个或多个取代基任意地取代,取代基选自:卤原子、羟基、含有1-4个碳原子的烷氧基、二烷基氨基(其中各烷基部分含有1-4个碳原子)、哌啶子基、吗啉代、1-哌嗪基(在4位上被含有1-4个碳原子的烷基或被其烷基部分含有1-4个碳原子的苯基烷基任意取代),含有3-6个碳原子的环烷基,含有4-6个碳原子的环烯基、苯基、氰基、羧基、或其烷基部分含有1-4个碳原子的烷氧羰基,
或者被一个或多个原子或基团任意取代的苯基,原子或基团选自卤原子、含有1-4个碳原子的烷基或含有1-4个碳原子的烷氧基,
或者被一个或多个含有1-4个碳原子的烷基任意取代的饱和或不饱和的4-6员含氮杂环基。
当然环烷基、环烯基或二环烷基可被一个或多个含有1-4个碳原子的烷基任意取代。
Ar优选代表被一个或多个原子或基团任意取代的苯基或α-或β-萘基、原子或基团选自卤原子(氟、氯、溴或碘)、烷基、链烯基、炔基、芳基、芳烷基、烷氧基、烷硫基、芳氧基、芳硫基、羟基、羟烷基、巯基、甲酰基、酰基、酰氨基、芳酰氨基、烷氧羰基氨基、氨基、烷基氨基、二烷基氨基、羧基、烷氧羰基、氨基甲酰基、二烷基氨基甲酰基、氰基、硝基和三氟甲基、当然烷基或其他基团的烷基部分含有1-4个碳原子、链烯基和炔基含有2-8个碳原子、芳基是苯基或α-或β-萘基,或者另外Ar代表含有一个或多个原子(可是相同或不同)且选自氮、氧或硫原子的5员芳杂环基,它可被一个或多个取代基(可是相同或不同)任意取代,取代基选自卤原子(氟、氯、溴或碘)含有1-4个碳原子的烷基、含有6-10个碳原子的芳基、含有1-4个碳原子的烷氧基、含有6-10个碳原子的芳氧基、氨基、含有1-4个碳原子的烷基氨基、各烷基部分含有1-4个碳原子的二烷基氨基、其酰基部分含有1-4个碳原子的酰氨基、含有1-4个碳原子的烷氧羰基氨基、含有1-4个碳原子的酰基、其芳基部分含有6-10个碳原子的芳基羰基、氰基、羧基、氨基甲酰基、其烷基部分含有1-4个碳原子的烷基氨基甲酰基、各烷基部分含有1-4个碳原子的二烷基氨基甲酰基、或其烷氧基部分含有1-4个碳原子的烷氧羰基。
更具体地,Ar代表被一个或多个原子或基团(可是相同或不同)任意取代的苯基、2-或3-噻吩基、2-或3-呋喃基、原子或基团选自卤原子、烷基、烷氧基、氨基、烷基氨基、二烷基氨基、酰氨基、烷氧羰基氨基和三氟甲基。
更具体地,Ar代表被氯、氟原子、烷基(甲基)、烷氧基(甲氧基)、二烷基氨基(二乙基氨基)、酰氨基(乙酰氨基)或烷氧羰基氨基(叔丁氧羰基氨基)任意取代的苯基;或2-或3-噻吩基、或2-或3-呋喃基。
具有特别意义的化合物是通式(Ⅰ)中Ar代表苯基、R1代表苯甲酰基或叔丁氧羰基的产物。
根据本发明,新的通式(Ⅰ)紫杉类化合物可由通式(Ⅱ)的产物得到:
其中Ar和R1如上定义,R3和R4可相同或不同代表氢原子或含有1-4个碳原子的烷基;或芳烷基其中烷基部分含有1-4个碳原子,芳基部分优选代表被一个或多个含有1-4个碳原子的烷氧基任意取代的苯基、芳基,优选代表被一个或多个含有1-4个碳原子的烷氧基任意取代的苯基,或者另外R3代表含有1-4个碳原子的烷氧基、三卤代甲基如三氯甲基、被三卤代甲基如三氯甲基取代的苯基,R4代表氢原子,或者另外R3和R4与它们相连的碳原子一起形成4-7元环,G1代表氢原子、乙酰基、烷氧基乙酰基、烷基、羟基保护基。
按照R3和R4的定义,以下列方式实施方法:
1)当R3代表氢原子或含有1-4个碳原子的烷氧基或任意取代的芳基、R4代表氢原子时,在酸性介质中处理通式(Ⅱ)的产物以得到通式(Ⅲ)产物:
其中Ar、R1和G1如上定义,若必要G1基团被氢原子替代。
通式(Ⅱ)产物的侧链的脱保护也可在无机酸(盐酸或硫酸)或有机酸(乙酸、甲磺酸、三氟甲磺酸或对甲苯磺酸)单独或以混合物形式使用的存在下进行,所述方法也是在有机溶剂中在温度-10至60°优选15至30℃下进行,有机溶剂选自醇(甲醇、乙醇或异丙醇)、醚(四氢呋喃、二异丙醚或甲基叔丁基醚)、酯(乙酸乙酯、乙酸异丙酯或乙酸正丁酯)、脂肪烃(戊烷、己烷或庚烷)、卤代脂肪烃(二氯甲烷或1,2-二氯乙烷)、芳香烃(苯、甲苯或二甲苯)和腈(乙腈)。所述酸可以催化量或化学计量或过量使用。
脱保护也可在氧化条件下进行,例如使用硝酸铈(Ⅳ)铵的乙腈-水混合物液或2,3-二氯-5,6-二氰基-1,4-苯醌的水溶液。
脱保护也可在还原条件下进行,例如通过在催化剂存在下的氢解。
当G1代表保护基优选2,2,2-三氯乙氧基羰基或2-(2-三氯甲基丙氧基)羰基时,其被氢原子置换的反应是使用可任意与铜结合的锌在乙酸存在下在温度20-60℃下进行,或者使用无机酸或有机酸如盐酸或乙酸在含有1-3个碳原子的脂肪醇或脂肪酯如乙酸乙酯、乙酸异丙酯或乙酸正丁酯的溶液中在任选与铜结合的锌存在下进行,另外当G1代表烷氧羰基时其被氢原子任选置换的反应是通过在碱介质中处理或在不影响分子的其他部分的条件下通过卤化锌的作用来进行。通常,碱处理是通过在含水醇介质中氨的作用在温度大约20℃下进行。一般地,用卤化锌优选碘化锌处理是在甲醇中在温度接近20℃下进行。
2)当R3和R4可相同或不同代表含有1-4个碳原子的烷基;或芳烷基其中烷基部分含有1-4个碳原子且芳基部分优选是任意取代的苯基;另外R3代表三卤代甲基或被三卤代甲基取代的苯基,R4代表氢原子;另外R3和R4与和它们相连的碳原子一起形成4-7员环时,通式(Ⅱ)的产物被转化为通式(Ⅳ)的产物:
(其中Ar和G1如上定义),用苯甲酰氯或通式(Ⅴ)的反应活性衍生物将其酰基化:
其中R2如上定义,X代表卤原子(氟或氯)或基团-O-R2或-O-CO-O-R2,得到通式(Ⅲ)的产物其中Ar、R1和G1如上定义,若必要G1基团被氢原子替代。
通式(Ⅳ)的产物通过处理通式(Ⅱ)的产物得到,式(Ⅱ)中Ar、R1和G1如上定义,R3和R4可相同或不同代表烷基、芳烷基或芳基,另外R3和R4与和它们相连的碳原子一起形成4-7员环,该处理是用无机酸(盐酸或硫酸)或有机酸(甲酸)任选在含有1-3个碳原子的醇(甲醇、乙醇或异丙醇)中在温度-50℃下进行,甲酸优选在温度接近20℃下使用。
用苯甲酰氯或通式(Ⅴ)的反应活性衍生物酰基化通式(Ⅳ)的产物是在惰性有机溶剂中在无机碱如碳酸氢钠或有机碱如三乙胺的存在下进行,惰性有机溶剂选自酯如乙酸乙酯、乙酸异丙酯或乙酸正丁酯,卤代脂肪烃如二氯甲烷或1,2-二氯乙烷。反应在温度0-50℃优选接近20℃下进行。
当基团G1代表保护基时,其被氢原子置换的反应在上述条件下进行。
按照下列方法之一可制得通式(Ⅱ)的产物:
1)用通式(Ⅶ)的酸或其衍生物酯化通式(Ⅵ)的产物:
(其中G1如上定义)
(其中Ar、R1、R3、和R4如上定义)。
用通式(Ⅶ)酸的酯化反应是在缩合剂(碳化二亚胺、反应活性碳酸酯)和活化剂(氨基吡啶)存在下在有机溶剂(醚、酯、酮、腈、脂肪烃、卤代脂肪烃或芳香烃)中在温度-10至90℃下进行。
酯化反应也可使用通式(Ⅶ)酸的酐形式来进行,该反应是在活化剂(氨基吡啶)存在下在有机溶剂(醚、酯、酮、腈、脂肪烃、卤代脂肪烃或芳香烃)中在温度0-90℃下进行。
酯化反应也可使用通式(Ⅶ)酸的卤化物形式或与脂肪酸或芳香酸形成的酐形式(最好现场制备)在碱(叔脂肪胺)存在下进行,该反应是在有机溶剂(醚、酯、酮、腈、脂肪烃、卤代脂肪烃或芳香烃)中在0-80℃下进行。
通式(Ⅶ)酸可通过皂化通式(Ⅷ)酯得到:
其中Ar、R1、R3、和R4如上定义,R5代表被苯基任意取代的含有1-4个碳原子的烷基。
通常,皂化是用无机碱(碱金属氢氧化物、碳酸盐或碳酸氢盐)在含水醇介质(甲醇-水)中在温度10-40℃下进行。
通式(Ⅷ)酯是通过通式(Ⅸ)产物:
(其中R3、和R4如上定义)以二烷基缩醛或烯醇烷基醚的形式作用于通式(Ⅹ)酯:
(其中Ar、R1和R5如上定义),而得到,该反应是在惰性有机溶剂(芳香烃)中在强无机酸(硫酸)或有机酸(对甲苯磺酸任选以吡啶鎓盐的形式)存在下在温度0℃至反应混合物的沸点温度下进行。
通式(Ⅹ)酯的制备是通过通式(Ⅴ)产物作用于通式(Ⅺ)酯:
(其中Ar和R5如上定义),反应是在有机溶剂(酯、卤代脂肪烃)中在无机或有机碱存在下在温度0-50℃下进行。
通式(Ⅺ)产物的制备是用氢气在催化剂如钯/炭存在下还原通式(Ⅻ)的叠氮化物:
(其中Ar和R5如上定义),反应是在有机溶剂(酯)中进行。
通式(Ⅻ)产物的制备是通过叠氮化物如三甲基甲硅烷基叠氮化物在氯化锌或金属(钠、钾或锂)叠氮化物存在下在水-有机介质(水-四氢呋喃)中在温度20℃至反应混合物的沸点温度下作用于任选现场制得的通式(ⅩⅢ)的环氧衍生物:
(其中Ar和R5如上定义)。
使通式(ⅩⅣ)产物脱去卤化氢可现场任选制得通式(ⅩⅢ)的环氧衍生物:
式(ⅩⅣ)中Ar如上定义,Hal代表卤原子优选溴原子,R6和R7可相同或不同代表氢原子或含有1-4个碳原子的烷基或苯基,至少一个是烷基或苯基。该脱卤化氢反应是任选现场制得的碱金属醇盐在惰性有机溶剂如四氢呋喃中在温度-80℃至25℃下进行,
通式(ⅩⅣ)产物的制备是通过使通式(ⅩⅤ)醛:
(其中Ar如上定义)作用于预先阴离子化的通式(ⅩⅥ)的卤化物:
其中Hal、R6和R7如上定义。
通常,反应是在选自醚(乙醚)和卤代脂肪烃(二氯甲烷)的惰性有机溶剂中在温度-80至25℃下在叔胺(三乙胺)和烯醇化剂(二正丁基硼三氟甲磺酸盐)存在下进行。
通式(ⅩⅥ)产物可通过使卤代乙酸的卤化物优选溴乙酰溴作用于相应的噁唑烷酮得到。
通式(Ⅺ)产物可通过氢解通式(ⅩⅦ)产物而得到:
其中Ar和R5如上定义,ph代表任意取代的苯基。
通常,氢解通过氢在催化剂存在下进行。更特定地,含1至10%重量钯的Pd/C或含20%重量钯的氢氧化钯被用作催化剂。
氢解在有机溶剂或有机溶剂的混合物中进行。最好将此反应在可以与含1至4个碳原子的脂肪醇混合的乙酸如乙酸-甲醇混合物中,在20至80℃之间进行。
氢解所需的氢也可由通过化学反应或热分解(甲酸铵)释放氢的化合物提供。最好将此反应在氢压1至50巴之间进行。
通式(ⅩⅦ)的产物可通过下式产物的水解或醇解得到:
其中Ar和Ph定义如前。
特别好的是使醇解由式R5-OH其中R5定义如前的醇进行,该过程在酸性介质中进行。
优选地,醇解由甲醇在强无机酸如盐酸存在下,在接近反应混合物的回流温度下进行。
通式(ⅩⅧ)的产物可通过皂化通式:
的酯,其中Ar和Ph定义如前,而R8代表烷基,苯基烷基或苯基,接着将通式(ⅩⅦ)的3R、4S非对映异构体与另外的非对映异构体分离而得到。
通常,皂化是用无机或有机碱如氢氧化铵、氢氧化锂、氢氧化钠或氢氧化钾在合适溶剂如甲醇-水或四氢呋喃-水混合物中,在-10℃至20℃之间进行。
3R,4S非对映异构体的分离可通过由合适的有机溶剂如乙酸乙酯中结晶而进行。
通式(ⅩⅨ)的产物可由如下通式的亚胺:
其中Ar和Ph定义如前,在通式:
的酰卤(其中R8定义如前,而y代表卤原子如溴或氯原子)上环加成而得到。
通常,反应在0至50℃之间,在选自脂族叔胺(三乙胺)或吡啶的碱存在下,在选自可任意卤代的脂肪烃(二氯甲烷或氯仿)和芳香烃(苯、甲苯或二甲苯)中进行。
通式(ⅩⅩ)的产物可在类似于M.Furukawa et al.,Chem.Pharm.Bull.,25(1),181-184(1977)所述的条件下得到。
通式(Ⅵ)的产物可通过碱金属卤化物(碘化钠或氟化钾)或碱金属叠氮化物(叠氮化钠)或季铵盐或碱金属磷酸盐作用于如下通式的浆果赤霉素Ⅲ或10-去乙酰基浆果赤霉素Ⅲ衍生物:
(其中G1定义如前)而得到。
通常,反应在选自醚(四氢呋喃,二异丙醚,甲基叔丁基醚)和腈(乙腈),单独或混合物的形式的有机溶剂中,在20℃至反应混合物沸腾的温度之间进行。
其中G1代表氢原子或乙酰基,烷氧基乙酰基或烷基的式(ⅩⅫ)产物可通过三氟甲磺酸衍生物如酸酐或N-苯基三氟甲磺酰亚胺,对可根据已知方法从针叶(浆果紫杉)提取的浆果赤霉素Ⅲ或10-去乙酰基浆果赤霉素Ⅲ作用,接着可任意保护10位,当然,为了得到其中G1代表烷氧基乙酰基或烷基的通式(ⅩⅫ)产物,需要预先优选地用甲硅烷基化的基团,用烷氧基乙酰卤或用烷基卤化物处理10-去乙酰基浆果赤霉素Ⅲ而保护7位。
通常,三氟甲磺酸衍生物的反应在惰性有机溶剂(可以任意卤代的脂肪烃,或芳香烃)中,在有机碱如脂肪叔胺(三乙胺)或吡啶存在下,在-50至+20℃之间进行。
通常,烷氧乙酰基的引入通过用烷氧基乙酰卤处理保护的10-去乙酰基浆果赤霉素Ⅲ而进行,该过程在碱性有机溶剂如吡啶中在接近20℃进行。
一般地,烷基的引入通过用烷基卤化物处理保护的和通过例如碱金属氢化物(氢化钠)或金属烷基化物(丁基锂)在10位金属化的10-去乙酰基浆果赤霉素Ⅲ而进行。
2)通过碱金属卤化物(碘化钠或氟化钾)或碱金属叠氮化物(叠氮化钠)或季铵盐或碱金属磷酸盐对如下通式的产物的作用:
其中其中Ar、R1、R3、和G1定义如前。
通常,反应在选自醚类(四氢呋喃、二异丙基醚或甲基叔丁基醚)和腈类(乙腈),单独或混合物形式的有机溶剂中,在20℃至反应混合物的沸腾温度之间进行。
通式(ⅩⅩⅢ)的产物可通过三氟甲磺酸衍生物如酸酐或N-苯基三氟甲磺酰胺作用于如下通式的紫杉类化合物而得到:
其中Ar、R1、R3、和G1定义如前。
通常,反应在惰性有机溶剂(任意卤代的脂肪烃,或芳香烃)中,在有机碱如脂族叔胺(三乙胺)或吡啶存在下,在-50至+20℃之间进行。
其中G1代表氢原子或乙酰基的通式(ⅩⅩⅣ)的紫杉类化合物可由通式:
(其中Ar、R1、R3、和R4定义如前,G1′代表羟基保护基,G2′代表乙酰基,烷氧乙酰基或烷基或羟基保护基)的产物用氢原子置换保护基G1′以及任意的G2′而得到。
基团G1′和G2′,当它们代表羟基保护基时,优选地为2,2,2-三氯乙氧羰基或2-(2-三氯甲基丙氧基)羰基或三烷基甲硅烷基,二烷基芳基甲硅烷基,烷基二芳基甲硅烷基或三芳基甲硅烷基,其中烷基部分含1至4个碳原子,而芳基部分优选苯基,另外,G2′可代表烷氧乙酰基。
当G1′和G2′代表2,2,2-三氯乙氧羰基或2-(2-三氯甲基丙氧基)羰基时,保护基被氢原子的置换可用任意与铜结合的锌,在乙酸存在下,在20至60℃之间进行,或用无机或有机酸如盐酸或乙酸,在含1至3个碳原子的脂肪醇或脂族酯如乙酸乙酯、乙酸异丙酯或乙酸正丁酯的溶液中,在可任意与铜结合的锌存在下进行。
当G1′代表甲硅烷基化的基团而G2′代表乙酰基,烷氧乙酰基或烷基时,保护基G1′被氢原子的置换可用,例如,气体氯化氢的乙醇溶液在接近0℃,在对分子的其它部分没有影响的条件下进行。
当G2′代表烷氧乙酰基时,其被氢原子的任意的置换通过在碱性介质中处理或由卤化锌在不影响分子的其它部分的条件下的作用而进行。一般地,碱处理通过氨在水-醇介质中的作用,在近20℃进行。一般地,用卤化锌,优选地碘化锌的处理在甲醇中于近20℃进行。
通式(ⅩⅩⅤ)的产物可在国际专利PCT/WO9209589所述的条件下得到。
通式(Ⅰ)的新衍生物也可通过用通式:
(其中Ar和R1定义如前而G3代表选自甲氧甲基,1-乙氧乙基,苄氧甲基,(β-三甲基甲硅烷氧基)甲基,四氢呋喃基,2,2,2-三氯乙氧甲基,2,2,2-三氯乙氧羰基或2-(2-三氯甲基丙氧基)羰基,或其中Ph代表可被一个或多个相同或不同,选自卤原子和含1至4个碳原子的烷基,或含1至4个碳原子的烷氧基的原子或基团取代的苯基的CH2-Ph的羟基保护基)的酸或此酸的活化衍生物酯化通式(Ⅵ)的产物,得到如下通式的产物:
其中Ar、T1、G1、G2和G3定义如前,接着用氢原子置换保护基G1、G2和G3得到通式(Ⅰ)的产物。
酯化可在前述用通式(Ⅶ)的酸酯化通式(Ⅵ)的产物的条件下进行。
当G1和G3代表2,2,2-三氯乙氧羰基或2-(2-三氯甲基丙氧基)羰基时,用氢原子对通式(ⅩⅩⅦ)的产物的保护基G1和G3的置换通过用可任意与铜结合的锌,在乙酸存在下,在30至60℃之间处理,或用无机酸或有机酸如盐酸或乙酸在含1至3个碳原子的脂肪醇或脂族酯如乙酸乙酯,乙酸异丙酯或乙酸正丁酯溶液中,在可任意与铜结合的锌存在下进行。当G2代表甲硅烷基化的基团或乙缩醛残基时,保护基G2的置换可通过在酸性介质如盐酸在含1至3个碳原子的脂族醇(甲醇、乙醇、丙醇或异丙醇)中的溶液或氢氟酸水溶液,在0至40℃之间处理而进行。当G1代表乙缩醛残基时,保护基G1的置换在上述条件下进行。当G3代表基团-CH2-Ph时,此保护基团用氢原子的置换通过在催化剂存在下的氢解而进行。
通式(ⅩⅩⅥ)的酸可通过皂化如下通式的酯而得到:
其中Ar、R1、R5和G3定义如前。
一般地,皂化通过无机碱(碱金属氢氧化物、碳酸盐或碳酸氢盐)在水-醇介质(甲醇-水)中,在10至40℃之间进行。
通式(ⅩⅩⅧ)的酯可根据用于制备醚的常用方法,更特定地根据J-N.DENIS et al.,J.Org.Chem.,51,46-50(1986)所述的方法,从通式(Ⅺ)的产物得到。
用本发明的方法得到的通式(Ⅰ)新产物可根据已知方法如结晶或色谱法进行纯化。
通式(Ⅰ)的产物具有显著的生物活性。
在体外,生物活性的测定是用M.L.Shelanski et al.,Proc.Natl.Acad.Sci.USA,70,765-768(1973)的方法从猪脑中提取的微管蛋白上进行。微管解聚为微管蛋白的研究根据G.Chauviere et al.,C.R.Acad.Sci.,293,serie Ⅱ,501-503(1981)的方法进行。在此研究中,通式(Ⅰ)的产物显示出至少紫杉醇和Taxotere的活性。
在体内,通式(Ⅰ)的产物在用B16黑瘤移植的大鼠上以1至10mg/Kg的剂量腹膜内给药显示活性,并对其它液态或固态肿瘤有效。
下面实施例举例说明本发明。
实施例1
2.01g4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,10β-二羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯于20cm3甲酸的溶液在近20℃搅拌4小时,然后在40℃减压(0.27kpa)浓缩至干。所得泡沫状物溶于100cm3二氯甲烷,所得溶液添加20cm3饱和碳酸氢钠水溶液。放置后分离出水相并用20cm3二氯甲烷萃取。将有机相沉淀,硫酸镁干燥,过滤并在40℃减压(2.7kpa)浓缩至干。得到1.95g白色泡沫体,将其在装于直径7cm的柱内的200g硅胶(0.063-0.2mm)上色谱纯化,用二氯甲烷-甲醇混合物(98-2体积比)洗脱并收积30cm3洗脱液。只含有所需产物的部分沉降并在40℃减压(0.27kpa)浓缩2小时至干。得到1.57g4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,10β-二羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(2R,3S)-3-氨基-2-羟基-3-苯基丙酸酯白色泡沫体。
保持在氩气氛中,往400mg4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,10β-二羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(2R,3S)-3-氨基-2-羟基-3-苯基丙酸酯于1cm3二氯甲烷的溶液中加入60mg碳酸氢钠,然后在约20℃滴加0.16g碳酸二叔丁酯的1cm3二氯甲烷溶液。所得溶液在约20℃搅拌64小时,然后补加5cm3蒸馏水和10cm3二氯甲烷的混合物。在机相用2cm3蒸馏水洗三次。有机相用硫酸镁干燥,过滤然后在40℃减压(2.7kPa)浓缩至干。所得317mg白色泡沫体在装于3cm直径柱内的30g硅胶(0.63-0.2mm)上色谱纯化,用二氯甲烷-甲醇混合物(95-5体积比)洗脱,并收集5cm3洗出液。将只含所需产物的部分沉淀并在40℃减压(0.27kPa)浓缩2小时至干。得到161mg白色泡沫体形式的4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,10β-二羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(2R,3S)-3-叔丁氧羰基氨基-2-羟基-3-苯基丙酸酯,其表征如下:
旋光率:[α]20D=-17°(C=0.482;甲醇)
质子NMR谱:(400MHz;CDCl3;323K温度;δ单位为ppm;偶合常数J单位为Hz):
1.21(s,3H:-CH316或17);1.28(s,3H:-CH316或17);1.34[s,9H:-C(CH3)3];1.30至1.50(mt,1H:-H7);1.80和2.36(2mt,每个1H:环丙烷的-CH2-);1.88(s,3H:-CH318);2.13[mt,1H:-(CH)-H 6];2.26[dd,1H,J=15至8.5:-(CH)-H 14];2.35[s,3H:-COCH3];2.35至2.50[mt,2H:-(CH)-H14和-(CH)-H6]]:3.21(d,1H,J=4:-OH2′);4.08[d,1H,J=8:-(CH)-H 20];4.16(d,1H,J=7-H 3);4.18(s,1H,-OH 10);4.31[d,1H,J=8:-(CH)-H 20];4.61(dd,1H,J=4和2:-H 2′);4.74(d,1H,J=4:-H 5);5.00(s,1H:-H,10);5.26(d,1H,J=9和2:-H 3′):5.33(d,1H,J=9:-NH 3′):5.69(d,1H,J=7:-H 2);6.29(d,1H,J=8.5:-H 13);7.30至7.50(mt,5H:-C5H5于3′(-H 2至-H 6);7.51[t,2H,J=7.5:-OCOC6H6(-H 4)];8.14[d,2H,J=7.5:-OCOC6H5(-H 2和H 6)]。
4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,10β-二羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯,可用如下方法制备:
保持在氩气氛中,往2.5g4-乙酰氧基-2α-苯甲酰氧-5β,20-环氧-1β,10β-二羟基-9-氧代-7β-三氟甲磺酸基-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯的25cm3,无水乙腈和3cm3无水四氢呋喃溶液中加入2.5g叠氮化钠,反应混合物加热2小时,在氩气氛中约80℃搅拌,然后冷至约20℃并加入30cm3蒸馏水。水相倾析分离然后用20cm3二氯甲烷提取。合并的有机相用硫酸镁干燥,过滤并在40℃减压(2.7kPa)浓缩至干。得到2.44g黄色泡沫体,将其在装于8cm直径的柱内的300g硅胶(0.063-0.2mm)上色谱纯化,用二氯甲烷-乙酸乙酯混合物(90-10体积比)洗脱并收集60cm3洗脱液。部分47至70被沉淀并在40℃减压(0.27kPa)浓缩2小时至干。得到2.01g白色泡沫体形式的4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,10β-二羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯。
4-乙氧基-2α-苯甲酰氧基-5β,20-环氧-1β,10β-二羟基-9-氧代-7β-三氟甲磺酸基-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯可用如下方法制备
保持在氩气氛中,往2.86g4-乙酰氧基-2α-苯甲酰氧-5β,20-环氧-1β,7β,10β-三羟基-9-氧代-7β-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯的29cm3无水二氯甲烷的溶液中加入0.955cm3吡啶和50mg粉状活化的4
分子筛。反应混合物冷至约-35℃,缓慢加入0.85cm3三氟甲磺酸酐,在约-5℃搅拌15分钟并加入10cm3蒸馏水。在装有硅藻土的烧结玻璃上过滤后,用3×10cm3甲醇-二氯甲烷混合物(10-90体积比)冲洗烧结玻璃,放置后分出水相并用2×10cm3二氯甲烷萃取。有机相沉淀,硫酸镁干燥,过滤然后在40℃减压(2.7kPa)浓缩至干。得到3.87g白色泡沫体,将其在装于10cm直径的柱内的400g硅胶(0.063-0.2mm)上色谱纯化,用二氯甲烷-乙酸乙酯梯度(97.5-2.5至90-10体积比)洗脱,并收集80cm3洗脱液。将只含产物的部分沉淀并在40℃减压(0.27kPa)浓缩2小时至干。得到3.0g白色泡沫体形式的4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,10β-二羟基-9-氧代-7β-三氟甲磺酸基-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯。
4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,7β,10β-三羟基-9-氧代-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯。可用如下方法制备:
将24.35g4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-9-氧代-7β,10β-[双(2,2,2-三氯乙氧基)羰基氧基]-1β-羟基-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯在130cm3乙酸乙酯和46.5cm3乙酸混合物中的溶液加热,在氩气氛中高达约60℃搅拌,然后加入40g锌粉。反应混合物然后在60℃搅拌30分钟,然后冷至约20℃,并在装有硅藻土的烧结玻璃上过滤。烧结玻璃用100cm3甲醇-二氯甲烷混合物(20-80体积比)冲洗:将滤液沉淀然后在40℃减压(0.27kpa)浓缩至干。
残余物中加入500cm3二氯甲烷。有机相用2×50cm3饱和碳酸氢钠水溶液洗,然后用50cm3蒸馏水洗。所得水相沉降并沉清后用2×30cm3二氯甲烷萃取。将有机相沉清,硫酸镁干燥,过滤然后在40℃减压(2.7kpa)浓缩至干。得到19.7g白色泡沫体,将其在装于10cm直径柱内的800g硅胶(0.063-0.2mm)上色谱纯化,用二氯甲烷-甲醇梯度(100-0至97-3体积比)洗脱,收集80cm洗脱液。只含有所需化合物的部分沉清并在40℃减压(0.27kpa)浓缩2小时至干。得到16.53g白色泡沫体形式的4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,7β,10β-三羟基-9-氧代-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯。
4-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-9-氧代-7β,10β-[双(2,2,2-三氯乙氧基)羰氧基]-1β-羟基-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯可按国际专利申请PCT WO9209589中所述的方法制备。
实施例2
往550mg4α,10β-二乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β-羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(2R,3S)-3-氨基-2-羟基-3-苯基丙酸酯中加入45cm3蒸馏水,45cm3饱和碳酸氢钠水溶液,然后在约20℃滴加0.096cm3苯甲酰氯。所得混合物在约20℃搅拌10分钟。沉降后,水相用2×30cm3乙酸乙酯萃取。合并的有机相用硫酸镁干燥,过滤然后在40℃减压(0.27kpa)浓缩至干。所得670mg白色泡沫体在装于2.5cm直径的柱内的50g硅胶(0.063-0.2mm)上常压色谱纯化,用甲醇-二氯甲烷混合物(1-99然后2.5-97.5体积比)洗脱,并收集10cm3洗脱液。将只含所需产物的部分沉清并在40℃减压(0.27kpa)浓缩至干。得到610mg白色泡沫体。300mg样品用制备性色谱在12个薄层硅胶板(Kiesegel 60F254,Merck;厚度0.25mm)上纯化,用甲醇-二氯甲烷混合物(3-97体积比)洗脱。用甲醇-二氯甲烷混合物(10-90体积比)洗脱对应于主产物的带后,然后在约40℃减压(0.27kpa)蒸发溶剂,得到155.2mg白色泡沫体形式的4α,10β-二乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β-羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(2R,3S)-3-苯甲酰氨基-2-羟基-3-苯基丙酸酯,其表征如下:
旋光率:[α]20D=-30.5°(C=0.491;甲醇)
质子NMR谱:(300MHz;CDCl3;δ单位为ppm;偶合常数J单位为Hz);
1.27(s,3H;-CH316或17);1.30(s,3H:-CH316或17);1.40(mt,1H:-H7);1.62和2.25(q和m,各个1H:环丙烷的-CH2-);1.85(s,3H:-CH318);1.96(s,1H:-OH于1)2.05和2.48(d和m,各个1H:-CH2-于6):2.24(s,3H:-COCH3于10)2.28和2.50(m,各个1H:-CH2于14)2.45(s,3H,-COCH3于4)3.52(d,1H,-OH于2′);4.10和4.35(d,各个1H:-CH2于20);4.11(d,1H:-H3):4.77(宽d,1H:-H5);4.82(dd,1H,-H2′);5.70(d,1H:-H于2):5.84(dd,1H:-H3′);6.30(宽t,1H:-H13);6.36(s,1H:-H10);7.00(d,1H:-CONH-);7.35至8.30(m,15H:-C6H5于3′,-OCOC6H5和NHCOC6H5)。
4α,10β-二乙酰氧基-2α-苯甲酰氨基-5β,20-环氧-1β-羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(2R,3S)-3-氨基-2-羟基-3-苯基丙酸酯可通过在实施例1中制备4-乙酰氧基-2α-苯甲酰氨基-5β,20-环氧-1β,10β-二羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(2R,3S)-3-氨基-2-羟基-3-苯基丙酸酯所述的条件下进行操作而制备。因而,由1.6g4α,10β-二乙酰氧基-2α-苯甲酰氨基-5β,20-环氧-1β-羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯开始,得到1.14g白色泡沫体形式的4α,10β-二乙酰氧基-2α-苯甲酰氨基-5β,20-环氧-1β-羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(2R,3S)-3-氨基-2-羟基-3-苯基丙酸酯。
4α,10β-二乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β-羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯可在实施例1中制备4α-乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,10β-二羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯所述的条件下制备。因而,由2,2g4α,10β-二乙酰氧基-2α-苯甲酰氨基-5β,20-环氧-1β-羟基-9-氧代-7β-三氟甲磺酸基-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯开始,得1.62g白色泡沫体形式的4α,10β-二乙酰氧基-2α-苯甲酰氨基-5β,20-环氧-1β-羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯。
4α,10β-二乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β-羟基-9-氧代-7β-三氟甲磺酸基-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯可在实施例1中制备4α-乙酰氧基-2α-苯甲酰氨基-5β,20-环氧-1β,10β-二羟基-9-氧代-7β-三氟甲磺酸基-19-去甲-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯所述的条件下制备。因而,由2.4g4α,10β-二乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β,7β-二羟基-9-氧代-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯开始,得白色泡沫体形式的2.46g4α,10β-二乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β-羟基-9-氧代-7β-三氟甲磺酸基-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯。
4α,10β-二乙酰氧基-2α-苯甲酰氨基-5β,20-环氧-1β,7β-二羟基-9-氧代-11-紫杉烯-13α-基(4S,5R)-3-叔丁氧基羰基-2,2-二甲基-4-苯基-5-噁唑烷甲酸酯可在国际专利PCT WO9209589中所述条件下制备。
实施例3
在氩气氛中,往550mg4α,10β-二乙酰氧基-2α-苯甲酰氨基-5β,20-环氧-1β-羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(2R,3S)-3-氨基-2-羟基-3-苯基丙酸酯于1cm3二氯甲烷的溶液中加入76mg碳酸氢钠,然后在约20℃滴加197mg碳酸二叔丁酯的1cm3二氯甲烷溶液。所得溶液在约20℃搅拌15小时,然后加入5cm3蒸馏水和10cm3二氯甲烷的混合物。水相用5cm3二氯甲烷萃取。合并的有机相用硫酸镁干燥,过滤然后在40℃减压(0.27kpa)浓缩至干。所得780mg白色泡沫体在装于2.5cm直径柱内的50g硅胶(0.063-0.2mm)上常压色谱纯化,用甲醇-二氯甲烷混合物(1-99然后2.5-97.5体积比)洗脱并收集10cm3洗脱液。将只含所需产物的部分沉清并在40℃减压(0.27kpa)浓缩至干。得到660mg白色泡沫体。300mg样品在12块薄层硅胶板(Kiesegel 60F254,Merck;厚度0.25mm)上制备性色谱纯化,用甲醇-二氯甲烷混合物(4-96体积比)洗脱。在用甲醇-二氯甲烷混合物(10-90体积比)洗脱对应于主产物的带后,再于约40℃减压(0.27kpa)蒸发溶剂,得159.7mg白色泡沫体形式的4α,10β-二乙酰氧基-2α-苯甲酰氧基-5β,20-环氧-1β-羟基-7β,8β-亚甲基-9-氧代-19-去甲-11-紫杉烯-13α-基(2R,3S)-3-叔丁氧基羰基-2-羟基-3-苯丙酸酯,其表征如下:
旋光率:[α]20D=-34°(C=0.561;甲醇)
质子NMR谱:(400MHz;CDCl3;δ单位为ppm;偶合常数J单位为Hz):
1.28(s,3H:-CH316或17);1.30[s,9H:-C(CH3)3];1.38(mt,1H:-H7);1.60(s,3H:-CH316或17);1.68和2.25(t和m,每个1H:环丙烷的-CH2-);1.85(s,3H:-CH318);2.10和2.45(d和td,每个1H:-CH2-于6);2.23(s,3H:-COCH3于10);2.22和2.40(m,各个1H:-CH2于14);2.40(s,3H,-COCH3于4)3.28((d,1H,-OH于2′);4.05和4.22(d,各个1H:-CH2于20);4.10(d,1H:-H3);4.62(宽s,1H:-H2′);4.73(d,1H,-H5);5.29(宽d,1H:-H于3′);5.37(d,1H:-CONH-);5.67(d,1H:-H于2);6.28(宽t,1H:-H13);6.33(s,1H:-H10);7.30至7.45(mt,5H:-C6H5于3′):7.5[t,2H:-OCOC6H5(-H3和-H5)];7.61[t,1H:-OCOC6H5(-H4)];8.17[d,2H:-OCOC6H5(-H2和-H6)];
实施例4
将100mg 10-去乙酰基浆果赤霉素Ⅲ于3cm3四氢呋喃和0.05cm3吡啶的混合物中的溶液冷至-78℃并保持在氩气氛中,滴加0.09cm3三氟甲磺酸酐。在约1小时使温度缓慢升至0℃,然后在约1小时使温度高至约20℃。在约20℃2小时后,加入200mg碘化四丁铵,然后将溶液在溶剂折沸腾温度加热15小时。冷至约20℃后,加入10cm3乙酸乙酯再加1cm3蒸馏水。沉降并分离后,有机相用硫酸镁干燥,过滤并在40℃减压(0.27kpa)浓缩至干。所得116mg黄色油在装于2.5cm直径的柱内的30g硅胶(0.063-0.2mm)上常压色谱纯化,用乙酸乙酯-二氯甲烷混合物,以0-100至80-20体积比梯度洗脱。将只含所需产物的部分沉清并在40℃减压(0.27kpa)浓缩至干。得到10.3mg 10-去乙酰基-7β,8β-亚甲基-19-去甲浆果赤霉素Ⅲ白色泡沫体,其表征如下;
质子NMR谱:(400MHz;CDCl3;δ单位为ppm;偶合常数J单位为Hz):
1.14(s,3H:-CH3于16或17);1.42(mt,1H:-H于7);1.76和2.31(t和m,各个1H:环丙烷的CH2);2.07(s,3H:-CH3于18);2.15和2.50(宽d和td,各个1H:-CH2-于6);2.30(s,3H:-COCH3于4)2.28和2.35(m,各个1H:-CH2于14);4.11和4.37(d,各个1H:-CH2于20);4.28(d,1H:-H3);4.79(d,1H:-H于5);4.88(宽t,1H,-H于13);5.09(s,1H:-H于10);5.66(d,1H:-H于2);7.51[t,2H:-OCOC6H5(-H于3和5)];7.61[t,1H:-OCOC6H5(-H于4)];8.17[d,2H:-OCOC6H5(-H于2和6)]。
13C NMR:(100MHz;CDCl3;δ为ppm;未偶合s=单峰,d=双重峰;t=三重峰;q=四重峰):15(q,C18);16.5(t,C19);20和27(q,C16和C17);22.5(q,-COCH3);26.5(t,C6)33(d,C7);35(s,C8);39(d,C3);39.5(t,C14);43(s,C15);68(d,C13);76(t,C20);76.2(d,C10);79.5(s,C1);80(s,C4);81(d,C2);85(d,C5);129(d,C2:-OCOC6H5);130(s,-OCOC6H5的Cl);130.5(d,-OCOC6H5的C3);134(d,-OCOC6H5的C4);136(s,C11);143(s,C12);168(s,-OCOC6H5);171(s,-COCH2);210(s,C9);
通式(Ⅰ)的新产物对非正常细胞的增殖显示明显的抑制活性并具有可治疗具有与非正常细胞增殖有关的病症的患者的治疗性质。病症包括各种组织和/或器官,包括,但并不限于,肌肉,骨头或结缔组织、皮肤、脑、肺、性器官、淋巴或肾系体、乳房或血细胞、肝、消化道、胰腺和甲状腺或肾上腺的恶性或良性细胞的非正常细胞增殖。这些病症也可包括牛皮癣,固态肿瘤、卵巢、乳房、脑、前列腺、结肠、胃、肾或睾丸的癌症,Kaposi′s肉瘤、胆管瘤、绒毛膜瘤、成神经细胞瘤、Wilms′肿瘤、Hodgkin′s病、黑瘤、多发性骨髓瘤、淋巴性白血病和急性或慢性粒细胞淋巴瘤。本发明的新产物对于治疗卵巢癌特别有用。本发明的产物可用于预防或阻止发病或复发或治疗这些病症。
本发明的产物可对患者以各种形式给药,合适的所选给药途径优选地为非肠胃给药。非肠胃给药包括静脉内、腹膜内、肌内或皮下给药。腹膜内或静脉内给药是更优选的。
本发明也包括含有至少一种适用于人或兽医的有效量的通式(Ⅰ)产物的药物组合物。组合物可根据惯用方法,用一种或多种药理上可接受的辅药载体,或赋形剂制备。合适的载体包括稀释剂,无菌水介质和各种无毒溶剂。优选地,组合物以可注射溶液的水溶液或悬浮液形式提供,可含有乳化剂,着色剂,防腐剂或稳定剂。
辅药或赋形剂的选择可由产物的溶解性和化学性质,特定的给途方式的良好的药用实践确定。
对非肠胃给药,使用水或非水无菌溶液或悬浮液。为了制备非水溶液或悬浮液,可用天然植物油如橄榄油,芝麻油或石蜡油或可注射的有机酯如油酸乙酯。含水无菌溶液为药理上可接受的盐的水溶液。水溶液适于静脉内给药,至于PH进行适当调节,并例如用足量氯化钠或葡萄糖达到等渗性。灭菌可通过加热或任何其它对组合物无不良影响的方式进行。
很显然,所有进入本发明组合物的产物相对其用量应是纯净和无毒的。
组合物可含有至少0.01%的治疗活性产物。活性产物在组合物中的量为可处方的合适剂量。优选地,对于非肠胃给药,组合物制成含约0.01至1000mg活性产物的单剂量。
治疗可与其它治疗包括抗肿瘤药,单克隆抗体,免疫治疗或放射治疗或生物应答调节剂等共同进行。应答调节剂包括,但不限于,淋巴因子活素和细胞因子如白细胞介素、干扰素(α,β或δ)和TNF。其它用于治疗由细胞的非正常增殖引起的病症的化疗剂包括,但不限于,氮芥类烷基化剂如氮芥,环磷酰胺,苯丙氨酸氮芥和苯丁酸氮芥,磺酸烷基酯类如马利兰,亚硝基脲如卡氮芥、罗氮芥、赛氮芥和链脲霉素、三氮烯如氮烯唑胺、抗代射物如叶酸类如甲氨蝶呤,嘧啶类如氟尿嘧啶和阿糖胞苷,嘌呤类如巯基嘌呤和硫鸟嘌呤,天然产物类长春花生物碱如长春碱,长春新碱和长春碱酰胺,表鬼臼毒素如鬼臼乙叉甙和鬼臼噻吩甙,抗生素是如更生霉素、柔红霉素、阿霉素、博来霉素、plicamycin和丝裂霉素、酶类如L-天冬酰胺酶,各种药剂如铂配合物如顺氯氨铂,取代的脲如羟基脲,甲基肼衍生物如甲苄肼,肾上腺抑制剂如邻对滴滴滴和氨基导眠能,激素和阻断剂如肾上腺皮质类固醇如强的松,孕激素如乙酸羟孕酮,乙酸甲氧孕酮和甲地孕酮、雌激素如己烯雌酚和炔雌醇、抗雌激素类如三苯氧胺,和雄激素如丙酸睾酮和氟羟甲睾酮。
用于实行本发明方法的剂量是允许预防治疗或最大治疗应答的剂量。剂量根据给药的形式,所选的特定产物和对所治疗对象的特性而变化。一般地,剂量为对治疗由非正常细胞增殖引起的病症治疗有效的量。本发明的产物可以根据需要时常给药以达到所需治疗效果。有些患者对相对高或低剂量迅速反应,再需要低的或不需要维持剂量。一般地,在治疗的初期用低剂量,如果需要,增高给药剂量直到达到最佳效果。对其它患者,需要给药每天1至8次的维持剂量,优选地所考虑病人的生理需要1至4次。也有可能对于某些患者只需要每天1至2次给药。
对于人,剂量一般在0.01至200mg/Kg之间。对于腹膜内给药,剂量一般在0.1至100mg/Kg之间,而优选地为0.5至50mg/Kg之间,更优选地为1至10mg/Kg之间。对于静脉内给药,剂量一般为0.1至50mg/Kg,优选0.1至5mg/Kg,更优选1至2mg/Kg。当然为了确定最合适的剂量,将考虑给药途径,患者体重,其普通健康状况,年龄和所有影响治疗效率的因素。
下面实施例举例说明本发明的组合物。
实施例
将40mg实施例1所得产物溶于1cm3Emuphor EL620和1cm3乙醇中,然后将溶液通过加入18cm3生理盐水稀释。
组合物通过加入生理盐水输注1小时给药。
Claims (30)
2、根据权利要求1的新的衍生物,其中:
R代表氢原子、乙酰基、烷氧基乙酰基或烷基,
R1代表苯甲酰基或基团R2-O-CO-其中R2代表:
含有1-8个碳原子的直链或支链烷基、
含有2-8个碳原子的链烯基、含有3-8个碳原子的炔基、含有3-6个碳原子的环烷基、含有4-6个碳原子的环烯基或含有7-11个碳原子的二环烷基,这些基团被一个或多个取代基(可相同或不同)任意地取代,取代基选自:卤原子、羟基、含有1-4个碳原子的烷氧基、二烷基氨基(其中各烷基部分含有1-4个碳原子)、哌啶子基、吗啉代、1-哌嗪基(在4位上被含有1-4个碳原子的烷基或被其烷基部分含有1-4个碳原子的苯基烷基任意取代),含有3-6个碳原子的环烷基,含有4-6个碳原子的环烯基、苯基、氰基、羧基、或其烷基部分含有1-4个碳原子的烷氧羰基,
或者被一个或多个原子或基团任意取代的苯基,原子或基团相同或不同选自含有1-4个碳原子的烷基或含有1-4个碳原子的烷氧基,
或者被一个或多个含有1-4个碳原子的烷基任意取代的饱和或不饱和的5-或6-员含氮杂环基,
当然环烷基、环烯基或二环烷基可被一个或多个含有1-4个碳原子的烷基任意取代,
Ar代表被一个或多个原子或基团任意取代的苯基或α-或β-萘基,原子或基团选自卤原子(氟、氯、溴或碘)烷基、链烯基、炔基、芳基、芳烷基、烷氧基、烷硫基、芳氧基、芳硫基、羟基、羟烷基、巯基、甲酰基、酰基、酰氨基、芳酰氨基、烷氧羰基氨基、氨基、烷基氨基、二烷基氨基、羧基、烷氧羰基、氨基甲酰基、二烷基氨基甲酰基、氰基、硝基和三氟甲基,当然烷基或其他基团的烷基部分含有1-4个碳原子、链烯基和炔基含有2-8个碳原子、芳基是苯基或α-或β-萘基,或者另外Ar代表含有一个或多个原子(可是相同或不同)且选自氮、氧或硫原子的5是芳杂环基,它可被一个或多个取代基(可是相同或不同)任意取代,取代基选自卤原子(氟、氯、溴或碘)含有1-4个碳原子的烷基、含有6-10个碳原子的芳基、含有1-4个碳原子的烷氧基、含有6-10个碳原子的芳氧基、氨基、含有1-4个碳原子的烷基氨基、各烷基部分含有1-4个碳原子的二烷基氨基、其酰基部分含有1-4个碳原子的酰氨基、含有1-4个碳原子的烷氧羰基氨基、含有1-4个碳原子的酰基、其芳基部分含有6-10个碳原子的芳基、羰基、氰基、羧基、氨基甲酰基、其烷基部分含有1-4个碳原子的烷基氨基甲酰基、各烷基部分含有1-4个碳原子的二烷基氨基甲酰基、或其烷氧基部分含有1-4个碳原子的烷氧羰基。
3、根据权利要求1的新的衍生物,其中R代表氢原子或乙酰基、烷氧基乙酰基或烷基,R1代表苯甲酰基或基团R2-O-CO-其中R2代表叔丁基,Ar代表苯基。
5、根据权利要求4的方法,其特征在于酯化是使用游离酸进行,该反应是在选自碳化二亚胺和反应活性碳酸酯的缩合剂,选自氨基吡啶的活化剂存在下在选自醚、酯、酮、腈、脂肪烃、卤代脂肪烃和芳香烃的有机溶剂中在温度-10至90℃下进行。
6、根据权利要求4的方法,其特征在于酯化是使用酸酐在选自氨基吡啶的活化剂存在下在选自醚、酯、酮、腈、脂肪烃、卤代脂肪烃和芳香烃的有机溶剂中在0-90℃下进行。
7、根据权利要求4的方法,其特征在于酯化是用可任意现场制备的卤化物或与脂肪酸或芳香酸形成的酸酐进行的,该反应在碱选自叔脂肪胺在有机溶剂选自醚、酯、酮、腈、脂肪烃、卤代脂肪烃和芳香烃中在0-80℃下进行。
8、根据权利要求4的方法,其特征在于酸处理是使用无机酸或有机酸在有机溶剂中在温度-10至60℃下进行。
9、根据权利要求8的方法,其特征在于酸选自盐酸、硫酸、乙酸、甲磺酸、三氟甲磺酸和对甲苯磺酸,可以单独使用或以其混合物形式使用。
10、根据权利要求8的方法,其特征在于溶剂选自醇、醚、酯、卤化脂肪烃、芳香烃和腈。
11、根据权利要求4的方法,其特征在于当保护基C1代表2,2,2-三氯乙氧基羰基或2-(2-三氯甲基丙氧基)羰基时,其被氢原子置换的反应是使用可任意与铜结合的锌在乙酸存在下在温度20-60℃下进行,或者使用无机酸或有机酸如盐酸或乙酸在含有1-3个碳原子的脂肪醇或脂肪酯如乙酸乙酯、乙酸异丙酯或乙酸正丁酯的溶液中在任意与铜结合的锌存在下进行,当G1代表烷氧乙酰基时,其被氢原子置换的反应是在碱性介质中使用在含水醇介质中的氨且在温度接近20℃下进行处理,或使用卤化锌在甲醇中在温度接近20℃下进行处理。
12、制备权利要求1、2或3之一的产物的方法,其特征在于用通式(Ⅶ)酸酯化通式(Ⅵ)的产物:
式(Ⅵ)中G1代表氢原子或乙酰基、烷氧基乙酰基或烷基或羟基保护基。
式(Ⅶ)中Ar和R1如权利要求1、2或3之一中定义,R3和R4可相同或不同代表含有1-4个碳原子的烷基,或芳烷基其中烷基部分含有1-4个碳原子且芳基部分优选是任意取代的苯基,另外R3代表三卤代甲基或被三卤代甲基取代的苯基,R4代表氢原子,另外R3和R4与和它们相连的碳原子一起形成4-7员环,在酸性介质中处理之后,得到如下通式的产物:
其中Ar如权利要求1、2或3之一中定义,G1如上定义,用苯甲酰氯或如下通式的反应活性衍生物将所得产物酰基化:
R2-O-CO-X
其中R2如权利要求1、2或3之一中定义,X代表卤原子或基团-O-R2或-O-CO-O-R2,
然后若必要用氢原子置换保护基G1,分离得到的产物。
13、根据权利要求12的方法,其特征在于酯化是使用游离酸进行,该反应是在缩合剂选自碳化二亚胺和反应活性碳酸酯,活化剂选自氨基吡啶的存在下在有机溶剂选自醚、酯、酮、腈、脂肪烃、卤代脂肪烃和芳香烃中在温度-10至90℃下进行。
14、根据权利要求12的方法,其特征在于酯化是使用酸酐在活化剂选自氨基吡啶的存在下在有机溶剂选自醚、酯、酮、腈、脂肪烃、卤代脂肪烃和芳香烃中在0-90℃下进行。
15、根据权利要求12的方法,其特征在于酯化是用可任意现场制备的卤化物或与脂肪酸或芳香酸形成的酸酐,该反应在碱选自叔脂肪胺在有机溶剂选自醚、酯、酮、腈、脂肪烃、卤代脂肪烃和芳香烃中在温度0-80℃下进行。
16、根据权利要求12的方法,其特征在于酸处理是使用无机酸或有机酸在有机溶剂中在温度0至50℃下进行。
17、根据权利要求16的方法,其特征在于酸选自盐酸、硫酸和甲酸。
18、根据权利要求16的方法,其特征在于溶剂选自含有1-3个碳原子的醇。
19、根据权利要求12的方法,其特征在于酰化是在惰性有机溶剂中在无机碱或有机碱的存在下进行。
20、根据权利要求19的方法,其特征在于惰性有机溶剂选自酯和卤代脂肪烃。
21、根据权利要求18、19、或20之一的方法,其特征在于反应是在温度0-50℃下进行。
22、根据权利要求12的方法,其特征在于当保护基G1代表2,2,2-三氯乙氧基羰基或2-(2-三氯甲基丙氧基)羰基时,其被氢原子的置换是通过使用可任意与铜结合的锌处理在乙酸存在下在温度30-60℃下进行,或者使用无机酸或有机酸如盐酸或乙酸在含有1-3个碳原子的脂肪醇或脂肪酯如乙酸乙酯、乙酸异丙酯或乙酸正丁酯中的溶液在任意与铜结合的锌存在下进行,当G1代表烷氧乙酰基时,其被氢原子置换的反应是在碱性介质中使用在含水醇介质中的氨且在温度接近20℃下进行处理,或使用卤化锌在甲醇中在温度接近20℃下进行处理。
24、根据权利要求23的方法,其特征在于酯化是使用游离酸进行,该反应是在缩合剂选自碳化二亚胺和反应活性碳酸酯,活化剂选自氨基吡啶的存在下在有机溶剂选自醚、酯、酮、腈、脂肪烃、卤代脂肪烃和芳香烃中在温度-10至90℃下进行。
25、根据权利要求23的方法,其特征在于酯化是使用酸酐在活化剂选自氨基吡啶的存在下在有机溶剂选自醚、酯、酮、腈、脂肪烃、卤代脂肪烃和芳香烃中在0-90℃下进行。
26、根据权利要求23的方法,其特征在于酯化是用可任意现场制备的卤化物或与脂肪酸或芳香酸形成的酸酐进行,该反应在碱选自叔脂肪胺在有机溶剂选自醚、酯、酮、腈、脂肪烃、卤代脂肪烃和芳香烃中在温度0-80℃下进行。
27、根据权利要求23的方法,其特征在于当G1和G3代表2,2,2-三氯乙氧基羰基或2-(2-三氯甲基丙氧基)羰基时,保护基G1和G2被氢原子的置换是通过使用可任意与铜结合的锌处理,在乙酸存在下在温度30-60℃下进行,或者用无机或有机酸如盐酸或乙酸在含有1-3个碳原子的脂肪醇或脂肪酯如乙酸乙酯、乙酸异丙酯或乙酸正丁酯的溶液中在可任意与铜结合的锌存在下进行,当G1代表甲硅烷基化基团或缩醛基团时,其被氢原子的置换是通过在酸性介质如盐酸在含有1-3个碳原子的脂肪醇(甲醇、乙醇、丙醇或异丙醇)中的溶液或氢氟酸水溶液中处理在温度0-40℃下进行,接着进行保护基G1的置换,该置换是通过用任意与铜结合的锌的处理在乙酸存在下在温度30-60℃下进行,或者用无机或有机酸如盐酸或乙酸在含有1-3个碳原子的脂肪醇或脂肪酯如乙酸乙酯、乙酸异内酯或乙酸正丁酯的溶液中在可任意与铜结合的锌存在下进行当G1代表烷氧基乙酰基时,其置换是在碱性介质中使用在含水醇介质中的氨且在温度接近20℃下进行处理,或使用卤化锌在甲醇中在温度接近20℃下进行处理。
28、根据权利要求23的方法,其特征在于当G3代表基团-CH2-Ph时,该基团被氢原子的置换是通过氢解进行,然后在权利要求27的条件下进行保护基G1的置换。
29、新的如下通式的紫杉类化合物:
其中G1代表氢原子或乙酰基、烷氧基乙酰基或烷基或羟基保护基。
30、药物组合物,其特征在于它含有至少一种权利要求1、2或3之一的产物以及与其混合的一种或多种惰性的或生理活性的药物上可接受的物质。
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| FR9214813A FR2698871B1 (fr) | 1992-12-09 | 1992-12-09 | Nouveau taxoïdes, leur préparation et les compositions pharmaceutiques qui les contiennent. |
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| US5243045A (en) | 1991-09-23 | 1993-09-07 | Florida State University | Certain alkoxy substituted taxanes and pharmaceutical compositions containing them |
| US5728725A (en) | 1991-09-23 | 1998-03-17 | Florida State University | C2 taxane derivaties and pharmaceutical compositions containing them |
| US5250683A (en) | 1991-09-23 | 1993-10-05 | Florida State University | Certain substituted taxanes and pharmaceutical compositions containing them |
| US5654447A (en) | 1991-09-23 | 1997-08-05 | Florida State University | Process for the preparation of 10-desacetoxybaccatin III |
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| US5338872A (en) | 1993-01-15 | 1994-08-16 | Florida State University | Process for the preparation of 10-desacetoxybaccatin III and 10-desacetoxytaxol and derivatives thereof |
| US5229526A (en) | 1991-09-23 | 1993-07-20 | Florida State University | Metal alkoxides |
| US5721268A (en) | 1991-09-23 | 1998-02-24 | Florida State University | C7 taxane derivatives and pharmaceutical compositions containing them |
| US5728850A (en) | 1991-09-23 | 1998-03-17 | Florida State University | Taxanes having a butenyl substituted side-chain and pharmaceutical compositions containing them |
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| ZA94128B (en) | 1993-02-01 | 1994-08-19 | Univ New York State Res Found | Process for the preparation of taxane derivatives and betalactam intermediates therefor |
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| CA2129288C (en) | 1993-08-17 | 2000-05-16 | Jerzy Golik | Phosphonooxymethyl esters of taxane derivatives |
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-
1992
- 1992-12-09 FR FR9214813A patent/FR2698871B1/fr not_active Expired - Lifetime
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1993
- 1993-07-12 UA UA95062617A patent/UA51612C2/uk unknown
- 1993-12-07 SK SK752-95A patent/SK282139B6/sk not_active IP Right Cessation
- 1993-12-07 PT PT94901993T patent/PT673372E/pt unknown
- 1993-12-07 HU HU9501662A patent/HU227872B1/hu not_active IP Right Cessation
- 1993-12-07 EP EP94901993A patent/EP0673372B1/fr not_active Expired - Lifetime
- 1993-12-07 NZ NZ258592A patent/NZ258592A/en not_active IP Right Cessation
- 1993-12-07 KR KR1019950702380A patent/KR100346328B1/ko not_active Expired - Lifetime
- 1993-12-07 RO RO95-01107A patent/RO112281B1/ro unknown
- 1993-12-07 AT AT94901993T patent/ATE243688T1/de active
- 1993-12-07 RU RU95114534A patent/RU2139864C1/ru not_active IP Right Cessation
- 1993-12-07 PL PL93324756A patent/PL175539B1/pl unknown
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- 1993-12-07 CA CA002150944A patent/CA2150944C/fr not_active Expired - Fee Related
- 1993-12-07 JP JP6513859A patent/JP2785248B2/ja not_active Expired - Fee Related
- 1993-12-07 PL PL93324755A patent/PL175111B1/pl unknown
- 1993-12-07 ES ES94901993T patent/ES2202319T3/es not_active Expired - Lifetime
- 1993-12-07 WO PCT/FR1993/001201 patent/WO1994013654A1/fr not_active Ceased
- 1993-12-07 PL PL93309293A patent/PL174830B1/pl unknown
- 1993-12-07 DE DE69333064T patent/DE69333064T2/de not_active Expired - Lifetime
- 1993-12-07 CZ CZ19951455A patent/CZ289851B6/cs not_active IP Right Cessation
- 1993-12-08 US US08/162,984 patent/US7074821B1/en not_active Expired - Fee Related
- 1993-12-08 TW TW082110390A patent/TW408120B/zh not_active IP Right Cessation
- 1993-12-08 MX MX9307748A patent/MX9307748A/es unknown
- 1993-12-09 CN CN93121690A patent/CN1055467C/zh not_active Expired - Fee Related
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1995
- 1995-06-07 US US08/479,198 patent/US5580997A/en not_active Expired - Fee Related
- 1995-06-07 US US08/474,551 patent/US5576450A/en not_active Expired - Fee Related
- 1995-06-07 US US08/479,199 patent/US5580998A/en not_active Expired - Lifetime
- 1995-06-07 US US08/474,417 patent/US5571917A/en not_active Expired - Lifetime
- 1995-06-07 US US08/483,697 patent/US5599942A/en not_active Expired - Lifetime
- 1995-06-07 US US08/487,232 patent/US5587493A/en not_active Expired - Lifetime
- 1995-06-07 US US08/483,693 patent/US5550261A/en not_active Expired - Lifetime
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- 1995-06-08 FI FI952825A patent/FI110941B/fi not_active IP Right Cessation
- 1995-06-08 NO NO19952264A patent/NO310555B1/no not_active IP Right Cessation
- 1995-06-09 OA OA60675A patent/OA10166A/fr unknown
- 1995-06-09 BG BG99713A patent/BG61726B1/bg unknown
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1997
- 1997-10-16 AU AU41870/97A patent/AU704663B2/en not_active Expired
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1998
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062561C (zh) * | 1992-12-15 | 2001-02-28 | 法马西亚及厄普约翰公司 | 7-卤代和7β,8β-亚甲基-紫杉醇,抗肿瘤用途以及含其药物组合物 |
| CN1073106C (zh) * | 1995-04-03 | 2001-10-17 | 罗纳-布朗克罗莱尔股份有限公司 | 新的紫杉化合物,其制备方法及其药物组合物 |
| CN101863861A (zh) * | 2009-04-16 | 2010-10-20 | 山东靶点药物研究有限公司 | 一种简便高效地制备紫杉醇类似物Larotaxel的方法 |
| CN112574134A (zh) * | 2020-12-30 | 2021-03-30 | 重庆市碚圣医药科技股份有限公司 | 一种多西紫杉醇侧链的合成方法 |
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