CN111646908B - 一种制备芳胺化合物的方法 - Google Patents
一种制备芳胺化合物的方法 Download PDFInfo
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- CN111646908B CN111646908B CN202010530159.XA CN202010530159A CN111646908B CN 111646908 B CN111646908 B CN 111646908B CN 202010530159 A CN202010530159 A CN 202010530159A CN 111646908 B CN111646908 B CN 111646908B
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- ethyl acetate
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- -1 aromatic amine compound Chemical class 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 238000006243 chemical reaction Methods 0.000 claims abstract description 96
- 239000001257 hydrogen Substances 0.000 claims abstract description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000654 additive Substances 0.000 claims abstract description 5
- 230000000996 additive effect Effects 0.000 claims abstract description 5
- 239000002904 solvent Substances 0.000 claims abstract description 5
- 230000035484 reaction time Effects 0.000 claims abstract description 3
- SKOWZLGOFVSKLB-UHFFFAOYSA-N hypodiboric acid Chemical compound OB(O)B(O)O SKOWZLGOFVSKLB-UHFFFAOYSA-N 0.000 claims description 64
- 150000001875 compounds Chemical class 0.000 claims description 46
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 15
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 12
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 150000002367 halogens Chemical class 0.000 claims description 11
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 10
- 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 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 235000019253 formic acid Nutrition 0.000 claims description 8
- 125000000171 (C1-C6) haloalkyl group Chemical group 0.000 claims description 7
- 125000005907 alkyl ester group Chemical group 0.000 claims description 7
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 7
- 125000001424 substituent group Chemical group 0.000 claims description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- 239000000460 chlorine Substances 0.000 claims description 5
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 125000005843 halogen group Chemical group 0.000 claims description 4
- 239000011630 iodine Substances 0.000 claims description 4
- 229910052740 iodine Inorganic materials 0.000 claims description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims 1
- ILDZYDMFXDNYJY-UHFFFAOYSA-N bis(2-sulfanylphenyl)methanone Chemical compound SC1=CC=CC=C1C(=O)C1=CC=CC=C1S ILDZYDMFXDNYJY-UHFFFAOYSA-N 0.000 claims 1
- 238000009776 industrial production Methods 0.000 abstract description 7
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 abstract description 5
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 357
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 147
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 118
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 116
- 238000003786 synthesis reaction Methods 0.000 description 61
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 59
- 230000015572 biosynthetic process Effects 0.000 description 59
- 239000012074 organic phase Substances 0.000 description 59
- 239000003208 petroleum Substances 0.000 description 59
- 238000004440 column chromatography Methods 0.000 description 58
- 229910052757 nitrogen Inorganic materials 0.000 description 58
- 238000001035 drying Methods 0.000 description 47
- 238000001914 filtration Methods 0.000 description 47
- 238000012544 monitoring process Methods 0.000 description 46
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 32
- 239000007787 solid Substances 0.000 description 25
- 238000000605 extraction Methods 0.000 description 21
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 16
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 150000004982 aromatic amines Chemical class 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 6
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- UHBGYFCCKRAEHA-UHFFFAOYSA-N P-toluamide Chemical compound CC1=CC=C(C(N)=O)C=C1 UHBGYFCCKRAEHA-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 150000001448 anilines Chemical class 0.000 description 4
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 4
- 239000004327 boric acid Substances 0.000 description 4
- QTMDXZNDVAMKGV-UHFFFAOYSA-L copper(ii) bromide Chemical compound [Cu+2].[Br-].[Br-] QTMDXZNDVAMKGV-UHFFFAOYSA-L 0.000 description 4
- 230000002194 synthesizing effect Effects 0.000 description 4
- RBKHNGHPZZZJCI-UHFFFAOYSA-N (4-aminophenyl)-phenylmethanone Chemical compound C1=CC(N)=CC=C1C(=O)C1=CC=CC=C1 RBKHNGHPZZZJCI-UHFFFAOYSA-N 0.000 description 3
- CAYQIZIAYYNFCS-UHFFFAOYSA-N (4-chlorophenyl)boronic acid Chemical compound OB(O)C1=CC=C(Cl)C=C1 CAYQIZIAYYNFCS-UHFFFAOYSA-N 0.000 description 3
- ZYMCBJWUWHHVRX-UHFFFAOYSA-N (4-nitrophenyl)-phenylmethanone Chemical compound C1=CC([N+](=O)[O-])=CC=C1C(=O)C1=CC=CC=C1 ZYMCBJWUWHHVRX-UHFFFAOYSA-N 0.000 description 3
- GPRYKVSEZCQIHD-UHFFFAOYSA-N 1-(4-aminophenyl)ethanone Chemical compound CC(=O)C1=CC=C(N)C=C1 GPRYKVSEZCQIHD-UHFFFAOYSA-N 0.000 description 3
- YPRFCQAWSNWRLM-UHFFFAOYSA-N 2-(2-nitrophenyl)acetonitrile Chemical compound [O-][N+](=O)C1=CC=CC=C1CC#N YPRFCQAWSNWRLM-UHFFFAOYSA-N 0.000 description 3
- WAVKEPUFQMUGBP-UHFFFAOYSA-N 2-(3-nitrophenyl)acetonitrile Chemical compound [O-][N+](=O)C1=CC=CC(CC#N)=C1 WAVKEPUFQMUGBP-UHFFFAOYSA-N 0.000 description 3
- PXNJGLAVKOXITN-UHFFFAOYSA-N 2-(4-nitrophenyl)acetonitrile Chemical compound [O-][N+](=O)C1=CC=C(CC#N)C=C1 PXNJGLAVKOXITN-UHFFFAOYSA-N 0.000 description 3
- HLCPWBZNUKCSBN-UHFFFAOYSA-N 2-aminobenzonitrile Chemical compound NC1=CC=CC=C1C#N HLCPWBZNUKCSBN-UHFFFAOYSA-N 0.000 description 3
- BMIBJCFFZPYJHF-UHFFFAOYSA-N 2-methoxy-5-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine Chemical compound COC1=NC=C(C)C=C1B1OC(C)(C)C(C)(C)O1 BMIBJCFFZPYJHF-UHFFFAOYSA-N 0.000 description 3
- UHPGVDHXHDPYQP-UHFFFAOYSA-N 2-methyl-8-nitroquinoline Chemical compound C1=CC=C([N+]([O-])=O)C2=NC(C)=CC=C21 UHPGVDHXHDPYQP-UHFFFAOYSA-N 0.000 description 3
- JHIAOWGCGNMQKA-UHFFFAOYSA-N 2-methyl-8-quinolinamine Chemical compound C1=CC=C(N)C2=NC(C)=CC=C21 JHIAOWGCGNMQKA-UHFFFAOYSA-N 0.000 description 3
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- SMHPLBXIVNQFBA-UHFFFAOYSA-N 6-nitroquinoline Chemical compound N1=CC=CC2=CC([N+](=O)[O-])=CC=C21 SMHPLBXIVNQFBA-UHFFFAOYSA-N 0.000 description 3
- WREVVZMUNPAPOV-UHFFFAOYSA-N 8-aminoquinoline Chemical compound C1=CN=C2C(N)=CC=CC2=C1 WREVVZMUNPAPOV-UHFFFAOYSA-N 0.000 description 3
- OQHHSGRZCKGLCY-UHFFFAOYSA-N 8-nitroquinoline Chemical compound C1=CN=C2C([N+](=O)[O-])=CC=CC2=C1 OQHHSGRZCKGLCY-UHFFFAOYSA-N 0.000 description 3
- 101100438134 Rattus norvegicus Cabs1 gene Proteins 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- PKWBMOXZIMVOJT-UHFFFAOYSA-N anthracen-2-ylboronic acid Chemical compound C1=CC=CC2=CC3=CC(B(O)O)=CC=C3C=C21 PKWBMOXZIMVOJT-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
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- 150000004677 hydrates Chemical class 0.000 description 2
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- 229910021594 Copper(II) fluoride Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 206010028116 Mucosal inflammation Diseases 0.000 description 1
- 201000010927 Mucositis Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QDWGWHMTZIAPOE-UHFFFAOYSA-N [N+](=O)([O-])C1=CC=C(C=C1C)COCC=1C=C(C(=CC=1)[N+](=O)[O-])C Chemical compound [N+](=O)([O-])C1=CC=C(C=C1C)COCC=1C=C(C(=CC=1)[N+](=O)[O-])C QDWGWHMTZIAPOE-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000003172 aldehyde group Chemical group 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- UNXISIRQWPTTSN-UHFFFAOYSA-N boron;2,3-dimethylbutane-2,3-diol Chemical compound [B].[B].CC(C)(O)C(C)(C)O UNXISIRQWPTTSN-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- LNAMMBFJMYMQTO-FNEBRGMMSA-N chloroform;(1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].ClC(Cl)Cl.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 LNAMMBFJMYMQTO-FNEBRGMMSA-N 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- LSXDOTMGLUJQCM-UHFFFAOYSA-M copper(i) iodide Chemical compound I[Cu] LSXDOTMGLUJQCM-UHFFFAOYSA-M 0.000 description 1
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 1
- GWFAVIIMQDUCRA-UHFFFAOYSA-L copper(ii) fluoride Chemical compound [F-].[F-].[Cu+2] GWFAVIIMQDUCRA-UHFFFAOYSA-L 0.000 description 1
- SBTSVTLGWRLWOD-UHFFFAOYSA-L copper(ii) triflate Chemical group [Cu+2].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F SBTSVTLGWRLWOD-UHFFFAOYSA-L 0.000 description 1
- YNHIGQDRGKUECZ-UHFFFAOYSA-N dichloropalladium;triphenylphosphanium Chemical compound Cl[Pd]Cl.C1=CC=CC=C1[PH+](C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1[PH+](C=1C=CC=CC=1)C1=CC=CC=C1 YNHIGQDRGKUECZ-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- KBOPZPXVLCULAV-UHFFFAOYSA-N mesalamine Chemical compound NC1=CC=C(O)C(C(O)=O)=C1 KBOPZPXVLCULAV-UHFFFAOYSA-N 0.000 description 1
- 229960004963 mesalazine Drugs 0.000 description 1
- CDGNLUSBENXDGG-UHFFFAOYSA-N meta-Cresidine Chemical compound COC1=CC=C(N)C(C)=C1 CDGNLUSBENXDGG-UHFFFAOYSA-N 0.000 description 1
- AOXPHVNMBPFOFS-UHFFFAOYSA-N methyl 2-nitrobenzoate Chemical compound COC(=O)C1=CC=CC=C1[N+]([O-])=O AOXPHVNMBPFOFS-UHFFFAOYSA-N 0.000 description 1
- MPXAYYWSDIKNTP-UHFFFAOYSA-N n-(2-aminophenyl)acetamide Chemical compound CC(=O)NC1=CC=CC=C1N MPXAYYWSDIKNTP-UHFFFAOYSA-N 0.000 description 1
- BUNFNRVLMKHKIT-UHFFFAOYSA-N n-(2-nitrophenyl)acetamide Chemical compound CC(=O)NC1=CC=CC=C1[N+]([O-])=O BUNFNRVLMKHKIT-UHFFFAOYSA-N 0.000 description 1
- XANFSSUIZIYTAQ-UHFFFAOYSA-N n-(3-chlorophenyl)-2-nitrobenzamide Chemical compound [O-][N+](=O)C1=CC=CC=C1C(=O)NC1=CC=CC(Cl)=C1 XANFSSUIZIYTAQ-UHFFFAOYSA-N 0.000 description 1
- XCENMAGLUPDPPI-UHFFFAOYSA-N n-(4-chlorophenyl)-2-nitrobenzamide Chemical compound [O-][N+](=O)C1=CC=CC=C1C(=O)NC1=CC=C(Cl)C=C1 XCENMAGLUPDPPI-UHFFFAOYSA-N 0.000 description 1
- 208000004296 neuralgia Diseases 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- RNVCVTLRINQCPJ-UHFFFAOYSA-N o-toluidine Chemical compound CC1=CC=CC=C1N RNVCVTLRINQCPJ-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 150000002941 palladium compounds Chemical class 0.000 description 1
- PBDBXAQKXCXZCJ-UHFFFAOYSA-L palladium(2+);2,2,2-trifluoroacetate Chemical compound [Pd+2].[O-]C(=O)C(F)(F)F.[O-]C(=O)C(F)(F)F PBDBXAQKXCXZCJ-UHFFFAOYSA-L 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical group [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 1
- JKDRQYIYVJVOPF-FDGPNNRMSA-L palladium(ii) acetylacetonate Chemical compound [Pd+2].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O JKDRQYIYVJVOPF-FDGPNNRMSA-L 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003586 protic polar solvent Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 125000003396 thiol group Chemical class [H]S* 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
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Abstract
本发明提供一种制备芳胺化合物的方法,以芳硝基衍生物(I)为原料,以水为氢源和溶剂,二硼试剂为添加剂,不需要金属催化剂,反应温度在30‑100℃下,反应时间4‑24h即可得芳胺化合物(II),本发明中采用硼试剂中的硼原子对氧原子和氮原子有很强的亲和力,可以活化水,且硼酸是唯一的副产物,硼试剂是理想的水活化剂。与现有技术相比具有如下优点:催化剂廉价易得、反应条件温和、选择性高、成本低且产率高,适合工业化生产。
Description
技术领域
本发明属于有机合成技术领域,具体涉及一种芳硝基还原为芳胺的方法。
背景技术
芳香胺还是重要的有机合成中间体和原料,可用于合成农药、医药、橡胶助剂、染料和颜料,合成树脂、纺织助剂、表面活性剂、感光材料等多种精细化学品。除此之外,芳香胺是众多具有生物活性药物中常见的结构单元。如治疗多动症药Adderall XR,抗肠粘膜炎药美沙拉嗪,治疗创伤后神经痛药乐瑞卡等药物。
关于芳胺化合物的制备,目前报道的主要方法可由相应的芳香硝基化合物还原得到,工业中还原芳香硝基化合物的方法主要有金属(铁粉、锌粉等)还原法、催化加氢还原法和硫化碱还原法,而其他还原方法也有很多。根据还原剂来源来看,主要有用氢气、硼氢化钠、甲酸、9,10-二氢蒽、1,4-二氢吡啶、硫醇、(2-吡啶基)苯甲醇、水合肼、三氯硅烷/三乙胺、醇类等作氢源。但这些方法仍存在不足之处:当用H2作还原剂时,需要用特殊的高压设备、可燃性气体,存在一定的危险性;当用水合肼作还原剂时,化合物中若含有碳碳双键、碳碳三键、醛基时,选择性较差。
发明内容
1.本发明的目的在于提供一种芳硝基还原为芳胺的方法,所制备得芳胺化合物的结构式如所示:
Ar-NH2
其中,Ar选自以下基团:
R1为氢、卤素、氨基、硝基、氰基、羟基、巯基、芳基甲酮、取代芳基甲酮、C1—C6烷基、C1—C6卤代烷基、C3—C8环烷基、C1—C6烷基氧基、C1—C6烷基氨基、甲酸C1—C6烷基酯基中的任意一种;X为O、S中的任意一种;
本发明的另一目的在于提供一种反应条件温和、成本低、环境友好、产率高,适合工业化生产的芳硝基还原为芳胺的方法。以芳硝基衍生物(I)为原料,以水为氢源,四羟基二硼为添加剂,以钯化合物为催化剂,以甲苯、乙酸乙酯、乙腈、2-甲基四氢呋喃、四氢呋喃、氯仿、质子性溶剂水、甲醇或异丙醇中的任意一项为溶剂,温度为30-70℃的条件下,反应6-24h即可得到芳胺化合物(II),具体反应方程式如下:
所述的Pd金属催化剂为醋酸钯(Pd(OAc)2)、三氟乙酸钯(Pd(CF3COO)2)、钯/碳(Pd/C)、三(二亚苄基丙酮)二钯-氯仿加合物(C52H43Cl3O3Pd2)、二(乙酰丙酮)钯(Pd(acac)2)、双(三苯基膦)二氯化钯(PdCl2(PPh3)2)、四(三苯基膦)钯(Pd(PPh3)4)及相应的水合物中的任意一种或任意几种的混合物;
所述的硼试剂为四羟基二硼(B2(OH)4)、硼酸(H3BO3)、苯硼酸(Ph(OH)2)、4-氯苯硼酸 (ClPh(OH)2)、2-蒽硼酸、烯丙基硼酸频哪醇酯、频哪醇硼烷、联硼酸频那醇酯、双(新戊基乙二醇)二硼及相应任意一种或任意几种的混合物;
所述的芳硝基衍生物(I)中,Ar选自以下基团:
上述中任一项化合物(I)、(II)的定义中,所用术语不论单独使用还是用在复合词中,代表如下取代基:R1为氢、卤素、氨基、硝基、氰基、羟基、巯基、芳基甲酮、取代芳基甲酮、C1—C6烷基、C1—C6卤代烷基、C3—C8环烷基、C1—C6烷基氧基、C1—C6烷基氨基、甲酸C1—C6烷基酯基中的任意一种;X为O、S中的任意一种;
该芳胺化合物的定义中,所用术语不论单独使用还是用在复合词中,代表如下取代基:
卤素:指氟、氯、溴、碘;
烷基:指直链或支链烷基;
卤代烷基:指直链或支链烷基,在这些烷基上的氢原子部分或全部被卤原子取代;
环烷基:指饱和或不饱和的环烷基;
取代芳基甲酮:苯基甲酮、吡啶甲酮、呋喃甲酮;
本发明为芳胺化合物的合成提供新方法。本发明与现有技术相比具有如下优点:催化剂廉价易得、反应条件温和、选择性高、成本低且产率高,适合工业化生产。
本发明的目的在于提供一种芳硝基还原为芳胺的方法,所制备得芳胺化合物的结构式如所示:
Ar-NH2
其中,Ar选自以下基团:
R1为氢、卤素、氨基、硝基、氰基、羟基、巯基、芳基甲酮、取代芳基甲酮、C1—C6烷基、C1—C6卤代烷基、C3—C8环烷基、C1—C6烷基氧基、C1—C6烷基氨基、甲酸C1—C6烷基酯基中的任意一种;X为O、S中的任意一种;
本发明的另一目的在于提供一种反应条件温和、成本低、环境友好、产率高,适合工业化生产的芳硝基还原为芳胺的方法。以芳硝基衍生物(I)为原料,四羟基二硼为添加剂,以铜盐作为金属催化剂,以乙腈为溶剂,反应温度在80-100℃的条件下,反应24h即可得芳胺化合物(II),具体反应方程式如下:
所述的Cu金属催化剂为三氟甲磺酸铜(Cu(CF3SO3)2)、醋酸铜(Cu(OAc)2)、醋酸亚铜 (CuOAc)、溴化铜(CuBr2)、无水氯化铜(CuCl2)、碘化铜(I)(CuI)、氯化亚铜(I)(CuCl)、氟化铜
(CuF)及相应的水合物中的任意一种或任意几种的混合物。
所述的硼试剂为四羟基二硼(B2(OH)4)、硼酸(H3BO3)、苯硼酸(Ph(OH)2)、4-氯苯硼酸 (ClPh(OH)2)、2-蒽硼酸、烯丙基硼酸频哪醇酯、频哪醇硼烷、联硼酸频那醇酯、双(新戊基乙二醇)二硼及相应任意一种或任意几种的混合物。
所述的芳硝基衍生物(I)中,Ar选自以下基团:
上述中任一项化合物(I)、(II)的定义中,所用术语不论单独使用还是用在复合词中,代表如下取代基:R1为氢、卤素、氨基、硝基、氰基、羟基、巯基、芳基甲酮、取代芳基甲酮、C1—C6烷基、C1—C6卤代烷基、C3—C8环烷基、C1—C6烷基氧基、C1—C6烷基氨基、甲酸 C1—C6烷基酯基中的任意一种;X为O、S中的任意一种。
该芳胺化合物的定义中,所用术语不论单独使用还是用在复合词中,代表如下取代基:
卤素:指氟、氯、溴、碘。
烷基:指直链或支链烷基。
卤代烷基:指直链或支链烷基,在这些烷基上的氢原子部分或全部被卤原子取代。
环烷基:指饱和或不饱和的环烷基。
取代芳基甲酮:苯基甲酮、吡啶甲酮、呋喃甲酮。
本发明为芳胺化合物的合成提供新方法。本发明与现有技术相比具有如下优点:催化剂廉价易得、反应条件温和、选择性高、成本低且产率高,适合工业化生产。
本发明的目的在于提供一种芳硝基还原为芳胺的方法,所制备得芳胺化合物的结构式如所示:
Ar-NH2
其中,Ar选自以下基团:
R1为氢、卤素、氨基、硝基、氰基、羟基、巯基、芳基甲酮、取代芳基甲酮、C1—C6烷基、C1—C6卤代烷基、C3—C8环烷基、C1—C6烷基氧基、C1—C6烷基氨基、甲酸C1—C6烷基酯基中的任意一种;X为O、S中的任意一种;
本发明的另一目的在于提供一种反应条件温和、成本低、环境友好、产率高,适合工业化生产的芳硝基还原为芳胺的方法。以芳硝基衍生物(I)为原料,以水为氢源和溶剂,二硼试剂为添加剂,不需要金属催化剂,反应温度在30-100℃下,反应时间4-24h即可得芳胺化合物(II),具体反应方程式如下:
所述的硼试剂为四羟基二硼(B2(OH)4)、硼酸(H3BO3)、苯硼酸(Ph(OH)2)、4-氯苯硼酸 (ClPh(OH)2)、2-蒽硼酸、烯丙基硼酸频哪醇酯、频哪醇硼烷、联硼酸频那醇酯、双(新戊基乙二醇)二硼及相应任意一种或任意几种的混合物;
所述的芳硝基衍生物(I)中,Ar选自以下基团:
上述中任一项化合物(I)、(II)的定义中,所用术语不论单独使用还是用在复合词中,代表如下取代基:R1为氢、卤素、氨基、硝基、氰基、羟基、巯基、芳基甲酮、取代芳基甲酮、C1—C6烷基、C1—C6卤代烷基、C3—C8环烷基、C1—C6烷基氧基、C1—C6烷基氨基、甲酸 C1—C6烷基酯基中的任意一种;X为O、S中的任意一种;
该芳胺化合物的定义中,所用术语不论单独使用还是用在复合词中,代表如下取代基:
卤素:指氟、氯、溴、碘;
烷基:指直链或支链烷基;
卤代烷基:指直链或支链烷基,在这些烷基上的氢原子部分或全部被卤原子取代;
环烷基:指饱和或不饱和的环烷基;
取代芳基甲酮:苯基甲酮、吡啶甲酮、呋喃甲酮;
本发明为芳胺化合物的合成提供新方法。本发明硼试剂中的硼原子对氧原子和氮原子有很强的亲和力,可以活化水,且硼酸是唯一的副产物,硼试剂是理想的水活化剂。与现有技术相比具有如下优点:催化剂廉价易得、反应条件温和、选择性高、成本低且产率高,适合工业化生产。
具体实施方式
以下实施例旨在说明本发明而不是对本发明的进一步限定。
实施例1
苯胺的合成
硝基苯(0.6mmol,74.0mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼 (1.5mmol,134.5mg),甲苯(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得无色液体34.6mg,即得到目标化合物,产率62%。1H NMR(400MHz,CDCl3)δ:7.27-7.23(m,2H),6.86-6.83(m,1H),6.76(dd,J1=1.2Hz,J2=7.6Hz,2H),3.66 (s,br,2H);13C NMR(100MHz,CDCl3)δ:146.50,129.38,118.60,115.18
实施例2
苯胺的合成
硝基苯(0.6mmol,74.0mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼 (1.5mmol,134.5mg),四氢呋喃(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得无色液体32.4mg,即得到目标化合物,产率58%。1HNMR (400MHz,CDCl3)δ:7.27-7.23(m,2H),6.86-6.83(m,1H),6.76(dd,J1=1.2Hz,J2=7.6Hz,2H), 3.66(s,br,2H);13C NMR(100MHz,CDCl3)δ:146.50,129.38,118.60,115.18
实施例3
苯胺的合成
硝基苯(0.6mmol,74.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.5mmol,134.5mg),甲醇(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3) 萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯= 3:1),得无色液体33.0mg,即得到目标化合物,产率59%。1H NMR(400MHz,CDCl3)δ:
7.27-7.23(m,2H),6.86-6.83(m,1H),6.76(dd,J1=1.2Hz,J2=7.6Hz,2H),3.66(s,br,2H);13C NMR(100MHz,CDCl3)δ:146.50,129.38,118.60,115.18
实施例4
苯胺的合成
硝基苯(0.6mmol,74.0mg),甲醇(6mmol,192.2mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼 (1.5mmol,134.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V 石油醚:V乙酸乙酯=3:1),得无色液体55.4mg,即得到目标化合物,产率99%。1H NMR(400 MHz,CDCl3)δ:7.27-7.23(m,2H),6.86-6.83(m,1H),6.76(dd,J1=1.2Hz,J2=7.6Hz,2H),3.66 (s,br,2H);13C NMR(100MHz,CDCl3)δ:146.50,129.38,118.60,115.18
实施例5
苯胺的合成
硝基苯(0.6mmol,74.0mg),水(6mmol,108.0mg),Pd(OAc)2(0.03mmol,0.7mg)和四羟基二硼(1.5mmol,134.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得无色液体55.4mg,即得到目标化合物,产率99%。1HNMR (400MHz,CDCl3)δ:7.27-7.23(m,2H),6.86-6.83(m,1H),6.76(dd,J1=1.2Hz,J2=7.6Hz,2H), 3.66(s,br,2H);13C NMR(100MHz,CDCl3)δ:146.50,129.38,118.60,115.18
实施例6
苯胺的合成
硝基苯(0.6mmol,74.0mg),水(6mmol,108.0mg),Pd(CF3COO)2(0.03mmol,1.0mg)和四羟基二硼(1.5mmol,134.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得无色液体55.4mg,即得到目标化合物,产率99%。1H NMR(400MHz,CDCl3)δ:7.27-7.23(m,2H),6.86-6.83(m,1H),6.76(dd,J1=1.2Hz,J2=7.6 Hz,2H),3.66(s,br,2H);13C NMR(100MHz,CDCl3)δ:146.50,129.38,118.60,115.18
实施例7
苯胺的合成
硝基苯(0.6mmol,74.0mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和联硼酸频那醇酯(1.5mmol,380.9mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得无色液体55.4mg,即得到目标化合物,产率99%。1HNMR (400MHz,CDCl3)δ:7.27-7.23(m,2H),6.86-6.83(m,1H),6.76(dd,J1=1.2Hz,J2=7.6Hz,2H), 3.66(s,br,2H);13C NMR(100MHz,CDCl3)δ:146.50,129.38,118.60,115.18
实施例8
苯胺的合成
硝基苯(0.6mmol,74.0mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼 (1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得无色液体55.4mg,即得到目标化合物,产率99%。1H NMR(400MHz,CDCl3)δ:7.27-7.23(m,2H),6.86-6.83(m,1H),6.76(dd,J1=1.2Hz,J2=7.6Hz,2H),3.66 (s,br,2H);13C NMR(100MHz,CDCl3)δ:146.50,129.38,118.60,115.18
实施例9
2-氨基甲苯的合成
2-硝基甲苯(0.6mmol,82.3mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得无色液体59.8mg,即得到目标化合物,产率93%。1HNMR (400MHz,CDCl3)δ:7.08(d,J=7.6Hz,2H),6.75-6.69(m,2H),3.61(s,br,2H),2.20(s,3H);13C NMR(100MHz,CDCl3)δ:144.63,130.50,127.02,122.38,118.67,114.97
实施例10
4-氨基甲苯的合成
4-硝基甲苯(0.6mmol,82.3mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得白色固体57.2mg,即得到目标化合物,产率89%。1HNMR (400MHz,CDCl3)δ:7.03(d,J=8.0Hz,2H),6.67(d,J=8.4Hz,2H),3.59(s,br,2H),2.30(s,3H);13C NMR(100MHz,CDCl3)δ:143.85,129.81,127.83,115.31,20.53
实施例11
邻苯二胺的合成
2-硝基苯胺(0.6mmol,82.9mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体48.0mg,即得到目标化合物,产率74%。1HNMR (400MHz,CDCl3)δ:6.78-6.73(m,4H),3.34(s,br,4H);13C NMR(100MHz,CDCl3)δ:134.76, 120.31,116.77
实例例12
3-溴-苯胺的合成
3-溴硝基苯(0.6mmol,121.3mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入 10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体64.0mg,即得到目标化合物,产率62%。1H NMR(400MHz,CDCl3)δ:7.04(t,J=8.0Hz,1H),6.92-6.87(m,2H),6.64-6.61(m,1H),3.75(s,br,2H);13C NMR(100MHz,CDCl3)δ:147.81,130.64,123.07,121.39,117.84,113.65.
实例例13
2,5-二溴-苯胺的合成
2,5-二溴-硝基苯(0.6mmol,168.5mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体109.9mg,即得到目标化合物,产率 73%。1H NMR(400MHz,CDCl3)δ:7.28(d,J=8.4Hz,1H),6.94(d,J=2.0Hz,1H),6.77(dd,J1=2.0Hz,J2=8.4Hz,1H),4.18(s,br,2H);13C NMR(100MHz,CDCl3)δ:145.30,133.64,122.17,121.76,118.13,107.77
实例例14
3-甲基-4-氨基苯甲醚的合成
3-甲基-4-硝基苯甲醚(0.6mmol,100.3mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h, TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到油状液体53.5mg,即得到目标化合物,产率65%。1H NMR(400MHz,CDCl3)δ:6.73(s,1H),6.72-6.67(m,2H),3.79(s,3H),3.40(s,br,2H),2.22(s,3H);13C NMR(100MHz,CDCl3)δ:152.71,138.27,124.07,116.40,116.05,112.12,55.75,17.79.
实例例15
4’-氨基苯乙酮的合成
4’-硝基苯乙酮(0.6mmol,99.1mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入 10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体65.9mg,即得到目标化合物,产率81%。1H NMR(400MHz,CDCl3)δ:7.85(dd,J1=1.6Hz,J2=8.4Hz,2H),6.69(dd,J1=1.6Hz,J2= 8.8Hz,2H),4.18(s,br,2H),2.54(s,3H);13C NMR(100MHz,CDCl3)δ:196.55,151.14,130.84, 127.87,113.74,26.14.
实例例16
4-氨基二苯甲酮的合成
4-硝基二苯甲酮(0.6mmol,99.1mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入 10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体95.9mg,即得到目标化合物,产率81%。1H NMR(400MHz,CDCl3)δ:7.77-7.75(m,4H),7.60-7.56(m,1H),7.51-7.47(m,2H),6.73-6.70(m,2H),4.19(s,br,2H);13C NMR(100MHz,CDCl3)δ:195.35,150.93,138.88,132.98, 131.45,129.56,128.11,127.46,113.66.
实例例17
2-氰基苯胺的合成
2-硝基苄氰(0.6mmol,88.9mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到油状液体43.2mg,即得到目标化合物,产率61%。1HNMR (400MHz,CDCl3)δ:7.42-7.34(m,2H),6.79-6.75(m,2H),4.46(s,br,2H);13C NMR(100MHz, CDCl3)δ:149.67,134.06,132.39,118.02,117.70,115.20,96.00.
实例例18
3-氰基苯胺的合成
3-硝基苄氰(0.6mmol,88.9mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体53.9mg,即得到目标化合物,产率76%。1HNMR (400MHz,CDCl3)δ:7.26(t,J=8.0Hz,1H),7.07-7.04(m,1H),6.94-6.89(m,2H),3.92(s,br, 2H);13C NMR(100MHz,CDCl3)δ:146.92,130.10,122.05,119.20,117.47,112.99.
实例例19
4-氰基苯胺的合成
4-硝基苄氰(0.6mmol,88.9mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体55.3mg,即得到目标化合物,产率76%。1HNMR (400MHz,CDCl3)δ:7.45(dd,J1=3.6Hz,J2=8.4Hz,2H),6.68(d,J=8.8Hz,2H),4.20(s,br, 2H);13C NMR(100MHz,CDCl3)δ:150.47,133.85,120.23,114.46,100.11.
实例例20
2’-氨基乙酰苯胺的合成
2’-硝基乙酰苯胺(0.6mmol,108.1mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到油状液体66.7mg,即得到目标化合物,产率 74%。1H NMR(400MHz,CDCl3)δ:7.52(s,br,1H),7.17(d,J=7.6Hz,1H),7.11-7.07(m,1H), 6.83-6.80(m,2H),3.92(s,br,2H),2.18(s,3H);13C NMR(100MHz,CDCl3)δ:169.06,140.96, 127.36,125.51,124.24,119.54,118.16,23.68.
实例例21
2-氨基苯甲酸的合成
2-硝基苯甲酸(0.6mmol,100.3mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入 10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体49.4mg,即得到目标化合物,产率60%。1H NMR(400MHz,CDCl3)δ:7.98(d,J=8.0Hz,1H),7.38-7.34(m,1H),6.72(d,J=6.8Hz,2H);13C NMR(100MHz,CDCl3)δ:173.63,151.14,135.15,132.17,116.83,116.50,109.59.
实例例22
2-氨基苯甲酰胺的合成
2-硝基苯甲酰胺(0.6mmol,99.7mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入 10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体36.7mg,即得到目标化合物,产率45%。1H NMR(400MHz,CDCl3)δ:7.40(dd,J1=1.6Hz,J2=8.0Hz,1H),7.29-7.25(m,1H),6.73-6.66 (m,2H),5.93(s,br,2H),5.72(s,br,2H);13C NMR(100MHz,CDCl3)δ:171.67,149.48,133.06, 128.03,117.48,116.43,113.96.
实例例23
2-氨基苯甲酸甲酯的合成
2-硝基苯甲酸甲酯(0.6mmol,108.7mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到油状液体60.9mg,即得到目标化合物,产率 65%。1H NMR(400MHz,CDCl3)δ:7.90(dd,J1=1.6Hz,J2=8.0Hz,1H),7.33-7.28(m,1H),6.71-6.66(m,2H),5.76(s,br,2H),3.91(s,3H);13C NMR(100MHz,CDCl3)δ:168.63,150.46,134.14,131.25,116.71,116.31,110.76,51.57.
实例例24
2-氨基-N-(邻-甲苯酰胺)的合成
2-硝基-N-(邻-甲苯酰胺)(0.6mmol,153.8mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg) 和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体134.4mg,即得到目标化合物,产率 99%。1H NMR(400MHz,CDCl3)δ:7.87(d,J=8.0Hz,1H),7.65(s,br,1H),7.54(dd,J1=1.2Hz, J2=8.4Hz,1H),7.33-7.27(m,3H),7.19-7.15(m,1H),6.79-6.75(m,2H),5.60(s,br,2H),2.37(s, 3H);13C NMR(100MHz,CDCl3)δ:167.59,149.15,135.72,132.81,130.66,129.89,127.18, 126.84,125.45,123.55,117.64,116.88,116.12,17.98.
实例例25
2-氨基-N-(对-甲苯酰胺)的合成
2-硝基-N-(对-甲苯酰胺)(0.6mmol,153.8mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg) 和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体110.0mg,即得到目标化合物,产率 81%。1H NMR(400MHz,CDCl3)δ:7.73(s,br,1H),7.51-7.47(m,3H),7.31-7.27(m,1H),7.21(d,J =8.0Hz,2H),6.77-6.74(m,2H),5.54(s,br,2H),2.38(s,3H);13C NMR(100MHz,CDCl3)δ: 167.51,148.96,135.26,134.22,132.66,129.58,127.13,120.67,117.53,116.83,116.39,20.92.
实例例26
2-氨基-N-(4-甲氧基苯基)苯甲酰胺的合成
2-硝基-N-(4-甲氧基苯基)苯甲酰胺(0.6mmol,163.4mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体119.2mg,即得到目标化合物,产率82%。1H NMR(400MHz,CDCl3)δ:7.71(s,br,1H),7.51-7.48(m,3H),7.31-7.27(m,1H),6.97-6.93(m,2H),6.77-6.73(m,2H),5.55(s,br,2H),3.85(s,3H);13CNMR (100MHz,CDCl3)δ:167.55,156.69,148.91,132.65,130.80,127.13,122.61,117.54,116.85, 116.30,114.27,55.55.
实例例27
2-氨基-N-(4-氯苯基)苯甲酰胺的合成
2-硝基-N-(4-氯苯基)苯甲酰胺(0.6mmol,166.0mg),水(6mmol,108.0mg),Pd/C(0.03mmol, 6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到灰色固体137.7mg,即得到目标化合物,产率93%。1H NMR(400MHz,CDCl3)δ:7.83(s,br,1H),7.56(d,J=8.8Hz,2H),7.49(d, J=7.6Hz,1H),7.36(d,J=8.8Hz,2H),7.32-7.28(m,1H),6.77-6.73(m,2H),5.52(s,br,2H);13C NMR(100MHz,CDCl3)δ:167.52,149.05,136.47,133.01,129.47,129.10,127.14,121.75, 117.67,116.92,115.80.
实例例28
2-氨基-N-(3-氯苯基)苯甲酰胺的合成
2-硝基-N-(3-氯苯基)苯甲酰胺(0.6mmol,166.0mg),水(6mmol,108.0mg),Pd/C(0.03mmol, 6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体146.8mg,即得到目标化合物,产率87%。1H NMR(400MHz,CDCl3)δ:7.81(s,br,1H),7.77(t,J=2.0Hz,1H),7.49(dd, J=1.2Hz,J=8.4Hz,1H),7.45-7.42(m,1H),7.34-7.29(m,2H),7.17-7.15(m,1H),6.78-6.74(m, 2H),5.55(s,br,2H);13C NMR(100MHz,CDCl3)δ:167.49,149.12,139.07,134.75,133.09, 130.04,127.10,124.48,120.49,118.33,117.71,116.93,115.66.
实例例29
2-氨基-N-(3,4-二氯氯苯基)苯甲酰胺的合成
2-硝基-N-(3,4-二氯氯苯基)苯甲酰胺(0.6mmol,186.7mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体124.8mg,即得到目标化合物,产率74%。1H NMR(400MHz,CDCl3)δ:7.89(d,J=2.0Hz,1H),7.81(s,br,1H),7.48-7.46(m,1H),7.44-7.40(m,2H),7.34-7.29(m,1H),6.78-6.74(m,2H),5.55(s,br,2H);13C NMR(100MHz,CDCl3)δ:167.42,149.18,137.43,133.25,132.87,130.55,127.58,127.06, 122.03,119.55,117.78,116.96,115.31
实例例30
2-氨基-N-(苯甲基)苯甲酰胺的合成
2-硝基-N-(苯甲基)苯甲酰胺(0.6mmol,153.8mg),水(6mmol,108.0mg),Pd/C(0.03mmol, 6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体134.4mg,即得到目标化合物,产率99%。1H NMR(400MHz,CDCl3)δ:7.40-7.34(m,6H),7.27-7.23(m,1H),6.73(d,J= 8.4Hz,1H),6.67(t,J=7.6Hz,1H),6.38(s,br,2H),5.60(s,br,2H),4.65(d,J=5.6Hz,2H);13C NMR(100MHz,CDCl3)δ:169.17,148.87,138.28,132.45,128.83,127.85,127.61,127.11,117.40, 116.64,115.80,43.76
实例例31
2-氯-3-氨基吡啶的合成
2-氯-3-硝基吡啶(0.6mmol,95.1mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入 10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体62.5mg,即得到目标化合物,产率81%。1H NMR(400MHz,CDCl3)δ:7.83(t,J=3.2Hz,1H),7.07(d,J=2.8Hz,2H),4.13(s,br,1H);13C NMR(100MHz,CDCl3)δ:139.67,138.67,136.98,123.39,122.44
实例例32
5-溴-3-氨基吡啶的合成
5-溴-3-硝基吡啶(0.6mmol,121.8mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入 10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体99.7mg,即得到目标化合物,产率96%。1H NMR(400MHz,CDCl3)δ:8.13(d,J=2.4Hz,1H),7.52(dd,J1=2.4Hz,J2=8.8Hz,1H), 6.45(d,J=8.8Hz,1H),4.56(s,br,2H);13C NMR(100MHz,CDCl3)δ:157.06,148.73,140.15, 110.09,108.32
实例例33
5-氨基喹啉的合成
5-硝基喹啉(0.6mmol,114.1mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体74.4mg,即得到目标化合物,产率86%。1H NMR (400MHz,CDCl3)δ:8.92(dd,J1=1.6Hz,J2=4.0Hz,1H),8.22(d,J=8.4Hz,1H),7.62-7.53(m, 2H),7.39(dd,J1=4.4Hz,J2=8.8Hz,1H),6.86(dd,J1=0.8Hz,J2=7.2Hz,1H),4.26(s,br,2H);13C NMR(100MHz,CDCl3)δ:150.27,149.11,142.28,130.06,129.57,120.17,119.63,118.74, 110.07
实例例34
6-氨基喹啉的合成
6-硝基喹啉(0.6mmol,114.1mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体71.8mg,即得到目标化合物,产率83%。1H NMR (400MHz,CDCl3)δ:8.69(dd,J1=1.6Hz,J2=4.4Hz,1H),7.96-7.92(m,2H),7.31(dd,J1=4.4 Hz,J2=8.4Hz,1H),7.20(dd,J1=2.4Hz,J2=8.8Hz,1H),6.94(d,J=2.4Hz,1H),4.01(s,br, 2H);13C NMR(100MHz,CDCl3)δ:146.89,144.61,143.48,133.82,130.60,129.80,121.59, 121.44,107.46
实例例35
8-氨基喹啉的合成
8-硝基喹啉(0.6mmol,114.1mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL 水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体81.3mg,即得到目标化合物,产率94%。1H NMR (400MHz,CDCl3)δ:8.81(dd,J1=2.0Hz,J2=4.4Hz,1H),8.11(dd,J1=1.6Hz,J2=8.4Hz,1H), 7.42-7.36(m,2H),7.20(dd,J1=1.2Hz,J2=8.4Hz,1H),6.98(dd,J1=1.2Hz,J2=7.6Hz,1H),5.03 (s,br,2H);13C NMR(100MHz,CDCl3)δ:147.48,143.95,138.45,136.04,128.88,127.40,121.39, 116.09,110.09
实例例36
2-甲基-8-氨基喹啉的合成
2-甲基-8-硝基喹啉(0.6mmol,113.0mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体92.1mg,即得到目标化合物,产率 97%。1H NMR(400MHz,CDCl3)δ:7.99(d,J=8.4Hz,1H),7.32-7.27(m,2H),7.15(dd,J1=1.2 Hz,J2=8.4Hz,1H),6.95(dd,J1=1.2Hz,J2=7.6Hz,1H),5.00(s,br,2H),2.75(s,3H);13C NMR (100MHz,CDCl3)δ:156.20,143.38,136.11,126.89,126.33,122.18,115.93,110.16,102.89
实例例37
5-氨基异喹啉的合成
5-硝基异喹啉(0.6mmol,104.5mg),水(6mmol,108.0mg),Pd/C(0.03mmol,6.4mg)和四羟基二硼(1.98mmol,177.5mg),乙腈(1mL),氮气保护下,50℃反应24h,TLC监测反应,加入 10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体52.8mg,即得到目标化合物,产率61%。1H NMR(400MHz,CDCl3)δ:9.22(s,1H),8.53(d,J=5.6Hz,1H),7.62(d,J=6.0Hz,1H),7.45 (d,J=4.0Hz,2H),7.99(t,J=4.4Hz,1H),4.28(s,br,2H);13C NMR(100MHz,CDCl3)δ:
153.01,142.07,141.37,129.43,127.80,126.00,118.02,114.09,113.10
实例例38
3-溴-苯胺的合成
3-溴硝基苯(0.6mmol,121.3mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体66.1mg,即得到目标化合物,产率64%。1H NMR(400MHz, CDCl3)δ:7.04(t,J=8.0Hz,1H),6.92-6.87(m,2H),6.64-6.61(m,1H),3.75(s,br,2H);13C NMR (100MHz,CDCl3)δ:147.81,130.64,123.07,121.39,117.84,113.65
实例例39
2,5-二溴-苯胺的合成
2,5-二溴-硝基苯(0.6mmol,168.5mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体134.0mg,即得到目标化合物,产率89%。1H NMR(400MHz,CDCl3)δ:7.28(d,J=8.4Hz,1H),6.94(d,J=2.0Hz,1H),6.77(dd,J1=2.0Hz,J2=8.4Hz,1H),4.18(s,br,2H);13C NMR(100MHz,CDCl3)δ:145.30,133.64,122.17,121.76,
118.13,107.77
实例例40
4’-氨基苯乙酮的合成
4’-硝基苯乙酮(0.6mmol,99.1mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体47.8mg,即得到目标化合物,产率59%。1H NMR(400MHz, CDCl3)δ:7.85(dd,J1=1.6Hz,J2=8.4Hz,2H),6.69(dd,J1=1.6Hz,J2=8.8Hz,2H),4.18(s,br, 2H),2.54(s,3H);13C NMR(100MHz,CDCl3)δ:196.55,151.14,130.84,127.87,113.74,26.14
实例例41
4-氨基二苯甲酮的合成
4-硝基二苯甲酮(0.6mmol,99.1mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体82.8mg,即得到目标化合物,产率70%。1H NMR(400MHz, CDCl3)δ:7.77-7.75(m,4H),7.60-7.56(m,1H),7.51-7.47(m,2H),6.73-6.70(m,2H),4.19(s,br, 2H);13C NMR(100MHz,CDCl3)δ:195.35,150.93,138.88,132.98,131.45,129.56,128.11, 127.46,113.66
实例例42
2-氰基苯胺的合成
2-硝基苄氰(0.6mmol,88.9mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到油状液体36.9mg,即得到目标化合物,产率52%。1H NMR(400MHz, CDCl3)δ:7.42-7.34(m,2H),6.79-6.75(m,2H),4.46(s,br,2H);13C NMR(100MHz,CDCl3)δ: 149.67,134.06,132.39,118.02,117.70,115.20,96.00
实例例43
3-氰基苯胺的合成
3-硝基苄氰(0.6mmol,88.9mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体44.7mg,即得到目标化合物,产率63%。1H NMR(400MHz, CDCl3)δ:7.26(t,J=8.0Hz,1H),7.07-7.04(m,1H),6.94-6.89(m,2H),3.92(s,br,2H);13C NMR(100MHz,CDCl3)δ:146.92,130.10,122.05,119.20,117.47,112.99
实例例44
4-氰基苯胺的合成
4-硝基苄氰(0.6mmol,88.9mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体56.7mg,即得到目标化合物,产率80%。1H NMR(400MHz, CDCl3)δ:7.45(dd,J1=3.6Hz,J2=8.4Hz,2H),6.68(d,J=8.8Hz,2H),4.20(s,br,2H);13C NMR(100MHz,CDCl3)δ:150.47,133.85,120.23,114.46,100.11
实例例45
2-氨基苯甲酸的合成
2-硝基苯甲酸(0.6mmol,100.3mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体44.4mg,即得到目标化合物,产率54%。1H NMR(400MHz, CDCl3)δ:7.98(d,J=8.0Hz,1H),7.38-7.34(m,1H),6.72(d,J=6.8Hz,2H);13CNMR(100 MHz,CDCl3)δ:173.63,151.14,135.15,132.17,116.83,116.50,109.59
实例例46
5-氨基喹啉的合成
5-硝基喹啉(0.6mmol,114.1mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体68.3mg,即得到目标化合物,产率79%。1H NMR(400MHz, CDCl3)δ:8.92(dd,J1=1.6Hz,J2=4.0Hz,1H),8.22(d,J=8.4Hz,1H),7.62-7.53(m,2H),7.39 (dd,J1=4.4Hz,J2=8.8Hz,1H),6.86(dd,J1=0.8Hz,J2=7.2Hz,1H),4.26(s,br,2H);13C NMR (100MHz,CDCl3)δ:150.27,149.11,142.28,130.06,129.57,120.17,119.63,118.74,110.07
实例例47
6-氨基喹啉的合成
6-硝基喹啉(0.6mmol,114.1mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体77.9mg,即得到目标化合物,产率90%。1H NMR(400MHz, CDCl3)δ:8.69(dd,J1=1.6Hz,J2=4.4Hz,1H),7.96-7.92(m,2H),7.31(dd,J1=4.4Hz,J2=8.4 Hz,1H),7.20(dd,J1=2.4Hz,J2=8.8Hz,1H),6.94(d,J=2.4Hz,1H),4.01(s,br,2H);13C NMR (100MHz,CDCl3)δ:146.89,144.61,143.48,133.82,130.60,129.80,121.59,121.44,107.46
实例例48
8-氨基喹啉的合成
8-硝基喹啉(0.6mmol,114.1mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体75.3mg,即得到目标化合物,产率87%。1H NMR(400MHz, CDCl3)δ:8.81(dd,J1=2.0Hz,J2=4.4Hz,1H),8.11(dd,J1=1.6Hz,J2=8.4Hz,1H),7.42-7.36 (m,2H),7.20(dd,J1=1.2Hz,J2=8.4Hz,1H),6.98(dd,J1=1.2Hz,J2=7.6Hz,1H),5.03(s,br,2H);13C NMR(100MHz,CDCl3)δ:147.48,143.95,138.45,136.04,128.88,127.40,121.39,116.09, 110.09
实例例49
2-甲基-8-氨基喹啉的合成
2-甲基-8-硝基喹啉(0.6mmol,113.0mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体84.5mg,即得到目标化合物,产率89%。1H NMR(400MHz, CDCl3)δ:7.99(d,J=8.4Hz,1H),7.32-7.27(m,2H),7.15(dd,J1=1.2Hz,J2=8.4Hz,1H),6.95 (dd,J1=1.2Hz,J2=7.6Hz,1H),5.00(s,br,2H),2.75(s,3H);13C NMR(100MHz,CDCl3)δ: 156.20,143.38,136.11,126.89,126.33,122.18,115.93,110.16,102.89
实例例50
5-氨基异喹啉的合成
5-硝基异喹啉(0.6mmol,104.5mg),Cu(OAc)2(0.03mmol,6.0mg)和四羟基二硼(0.9mmol, 80.7mg),乙腈(1mL),氮气保护下,100℃反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体65.7mg,即得到目标化合物,产率76%。1H NMR(400MHz, CDCl3)δ:9.22(s,1H),8.53(d,J=5.6Hz,1H),7.62(d,J=6.0Hz,1H),7.45(d,J=4.0Hz,2H), 7.99(t,J=4.4Hz,1H),4.28(s,br,2H);13C NMR(100MHz,CDCl3)δ:153.01,142.07,141.37, 129.43,127.80,126.00,118.02,114.09,113.10
实例例51
4’-氨基苯乙酮的合成
4’-硝基苯乙酮(0.6mmol,99.1mg),四羟基二硼(3.6mmol,323mg),水(1mL),氮气保护下, 100℃反应8h,TLC监测反应,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体36.5mg,即得到目标化合物,产率45%。1H NMR(400MHz,CDCl3)δ:7.85(dd,J1=1.6Hz,J2=8.4Hz,2H),6.69(dd,J1=1.6Hz,J2=8.8Hz,2H),4.18(s,br,2H),2.54(s,3H);13C NMR(100MHz,CDCl3)δ:196.55,151.14,130.84,127.87,113.74,26.14
实例例52
4-氨基二苯甲酮的合成
4-硝基二苯甲酮(0.6mmol,99.1mg),四羟基二硼(3.6mmol,323mg),水(1mL),氮气保护下,100℃反应8h,TLC监测反应,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体69.8mg,即得到目标化合物,产率59%。1H NMR(400MHz,CDCl3)δ:7.77-7.75(m,4H),7.60-7.56(m,1H),7.51-7.47(m,2H),6.73-6.70(m,2H),4.19(s,br,2H);13C NMR(100MHz,CDCl3)δ:195.35,150.93,138.88,132.98,131.45,129.56,128.11,127.46,113.66
实例例53
2-氰基苯胺的合成
2-硝基苄氰(0.6mmol,88.9mg),四羟基二硼(3.6mmol,323mg),水(1mL),氮气保护下, 100℃反应8h,TLC监测反应,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到油状液体58.8mg,即得到目标化合物,产率83%。1H NMR(400MHz,CDCl3)δ:7.42-7.34(m,2H),6.79-6.75(m,2H),4.46(s, br,2H);13C NMR(100MHz,CDCl3)δ:149.67,134.06,132.39,118.02,117.70,115.20,96.00
实例例54
3-氰基苯胺的合成
3-硝基苄氰(0.6mmol,88.9mg),四羟基二硼(3.6mmol,323mg),水(1mL),氮气保护下, 100℃反应8h,TLC监测反应,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体61.0mg,即得到目标化合物,产率86%。1H NMR(400MHz,CDCl3)δ:7.26(t,J=8.0Hz,1H),7.07-7.04(m,1H),6.94-6.89(m,2H),3.92(s,br,2H);13C NMR(100MHz,CDCl3)δ:146.92,130.10,122.05,119.20, 117.47,112.99
实例例55
4-氰基苯胺的合成
4-硝基苄氰(0.6mmol,88.9mg),四羟基二硼(3.6mmol,323mg),水(1mL),氮气保护下, 100℃反应8h,TLC监测反应,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到黄色固体70.2mg,即得到目标化合物,产率99%。1H NMR(400MHz,CDCl3)δ:7.45(dd,J1=3.6Hz,J2=8.4Hz,2H),6.68(d,J=8.8Hz,2H),4.20(s,br,2H);13C NMR(100MHz,CDCl3)δ:150.47,133.85,120.23,114.46, 100.11
实例例56
5-氨基喹啉的合成
5-硝基喹啉(0.6mmol,114.1mg),四羟基二硼(3.6mmol,323mg),水(1mL),氮气保护下, 100℃反应8h,TLC监测反应,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体34.6mg,即得到目标化合物,产率40%。1H NMR(400MHz,CDCl3)δ:8.92(dd,J1=1.6Hz,J2=4.0Hz,1H),8.22(d, J=8.4Hz,1H),7.62-7.53(m,2H),7.39(dd,J1=4.4Hz,J2=8.8Hz,1H),6.86(dd,J1=0.8Hz,J2=7.2Hz,1H),4.26(s,br,2H);13C NMR(100MHz,CDCl3)δ:150.27,149.11,142.28,130.06, 129.57,120.17,119.63,118.74,110.07
实例例57
6-氨基喹啉的合成
6-硝基喹啉(0.6mmol,114.1mg),四羟基二硼(3.6mmol,323mg),水(1mL),氮气保护下, 100℃反应8h,TLC监测反应,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体47.6mg,即得到目标化合物,产率55%。1H NMR(400MHz,CDCl3)δ:8.69(dd,J1=1.6Hz,J2=4.4Hz,1H),7.96-7.92(m,2H),7.31(dd,J1=4.4Hz,J2=8.4Hz,1H),7.20(dd,J1=2.4Hz,J2=8.8Hz,1H), 6.94(d,J=2.4Hz,1H),4.01(s,br,2H);13C NMR(100MHz,CDCl3)δ:146.89,144.61,143.48, 133.82,130.60,129.80,121.59,121.44,107.46
实例例58
8-氨基喹啉的合成
8-硝基喹啉(0.6mmol,114.1mg),四羟基二硼(3.6mmol,323mg),水(1mL),氮气保护下,100℃反应8h,TLC监测反应,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体63.1mg,即得到目标化合物,产率73%。1H NMR(400MHz,CDCl3)δ:8.81(dd,J1=2.0Hz,J2=4.4Hz,1H),8.11(dd,J1= 1.6Hz,J2=8.4Hz,1H),7.42-7.36(m,2H),7.20(dd,J1=1.2Hz,J2=8.4Hz,1H),6.98(dd,J1=1.2 Hz,J2=7.6Hz,1H),5.03(s,br,2H);13C NMR(100MHz,CDCl3)δ:147.48,143.95,138.45, 136.04,128.88,127.40,121.39,116.09,110.09
实例例59
2-甲基-8-氨基喹啉的合成
2-甲基-8-硝基喹啉(0.6mmol,113.0mg),四羟基二硼(3.6mmol,323mg),水(1mL),氮气保护下,100℃反应8h,TLC监测反应,乙酸乙酯(10mL×3)萃取,合并有机相,无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得到白色固体28.5mg,即得到目标化合物,产率30%。1H NMR(400MHz,CDCl3)δ:7.99(d,J=8.4Hz,1H),7.32-7.27(m,2H),7.15(dd,J1=1.2Hz,J2=8.4Hz,1H),6.95(dd,J1=1.2Hz,J2=7.6Hz,1H),5.00(s,br,2H), 2.75(s,3H);13C NMR(100MHz,CDCl3)δ:156.20,143.38,136.11,126.89,126.33,122.18, 115.93,110.16,102.89。
Claims (1)
1.一种制备芳胺化合物的方法,其特征在于,以芳硝基衍生物(I)为原料,以水为氢源和溶剂,四羟基二硼试剂为添加剂,不需要金属催化剂,反应温度在100℃下,反应时间8h即可得芳胺化合物(II),具体反应方程式如下:
其特征在于,R1为氢、卤素、氨基、硝基、氰基、羟基、巯基、苯基甲酮、吡啶甲酮、呋喃甲酮、C1-C6烷基、C1-C6卤代烷基、C3-C8环烷基、C1-C6烷基氧基、C1-C6烷基氨基、甲酸C1-C6烷基酯基中的任意一种;
该芳胺化合物的定义中,所用术语不论单独使用还是用在复合词中,代表如下取代基:卤素:指氟、氯、溴、碘;
烷基:指直链或支链烷基;
卤代烷基:指直链或支链烷基,在这些烷基上的氢原子部分或全部被卤原子取代;
环烷基:指饱和或不饱和的环烷基。
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| CN109680342B (zh) * | 2018-12-18 | 2021-09-28 | 上海药明康德新药开发有限公司 | DNA编码化合物库中On-DNA芳硝基化合物还原成On-DNA芳胺化合物的方法 |
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| CN111874865B (zh) * | 2020-07-27 | 2023-02-03 | 三峡大学 | 一种无金属参与的催化产氢的方法 |
| CN115594602B (zh) * | 2021-07-09 | 2024-01-30 | 南京大学 | 一种可见光诱导的合成芳香胺的方法 |
| CN113860980B (zh) * | 2021-10-11 | 2023-10-03 | 江苏科技大学 | 一种光诱导还原c-n偶联反应制备芳胺类化合物的方法 |
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