CN108276350B - 1,2,4-三氮唑及其制备方法 - Google Patents
1,2,4-三氮唑及其制备方法 Download PDFInfo
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- CN108276350B CN108276350B CN201810291598.2A CN201810291598A CN108276350B CN 108276350 B CN108276350 B CN 108276350B CN 201810291598 A CN201810291598 A CN 201810291598A CN 108276350 B CN108276350 B CN 108276350B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 60
- -1 aryl diazonium salts Chemical class 0.000 claims abstract description 28
- 239000012954 diazonium Substances 0.000 claims abstract description 24
- 239000002253 acid Substances 0.000 claims abstract description 15
- 150000000178 1,2,4-triazoles Chemical class 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 11
- 241001597008 Nomeidae Species 0.000 claims abstract description 10
- 150000002825 nitriles Chemical class 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000000654 additive Substances 0.000 claims abstract description 9
- 230000000996 additive effect Effects 0.000 claims abstract description 9
- 238000007363 ring formation reaction Methods 0.000 claims abstract description 7
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 41
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 41
- 229910021589 Copper(I) bromide Inorganic materials 0.000 claims description 40
- 125000003118 aryl group Chemical group 0.000 claims description 10
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 8
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 7
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- NKNDPYCGAZPOFS-UHFFFAOYSA-M copper(i) bromide Chemical compound Br[Cu] NKNDPYCGAZPOFS-UHFFFAOYSA-M 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 3
- SNTWKPAKVQFCCF-UHFFFAOYSA-N 2,3-dihydro-1h-triazole Chemical compound N1NC=CN1 SNTWKPAKVQFCCF-UHFFFAOYSA-N 0.000 claims description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- LIQLLTGUOSHGKY-UHFFFAOYSA-N [B].[F] Chemical group [B].[F] LIQLLTGUOSHGKY-UHFFFAOYSA-N 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 239000003814 drug Substances 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 150000007529 inorganic bases Chemical class 0.000 abstract description 2
- 239000003446 ligand Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000012805 post-processing Methods 0.000 abstract description 2
- 239000000376 reactant Substances 0.000 abstract description 2
- 238000012216 screening Methods 0.000 abstract description 2
- 229910052723 transition metal Inorganic materials 0.000 abstract 1
- 150000003624 transition metals Chemical class 0.000 abstract 1
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 148
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 117
- 238000004458 analytical method Methods 0.000 description 51
- 238000010521 absorption reaction Methods 0.000 description 38
- 238000004440 column chromatography Methods 0.000 description 38
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 37
- 238000005160 1H NMR spectroscopy Methods 0.000 description 37
- 238000013019 agitation Methods 0.000 description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 31
- 239000000741 silica gel Substances 0.000 description 31
- 229910002027 silica gel Inorganic materials 0.000 description 31
- FANCTJAFZSYTIS-IQUVVAJASA-N (1r,3s,5z)-5-[(2e)-2-[(1r,3as,7ar)-7a-methyl-1-[(2r)-4-(phenylsulfonimidoyl)butan-2-yl]-2,3,3a,5,6,7-hexahydro-1h-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol Chemical compound C([C@@H](C)[C@@H]1[C@]2(CCCC(/[C@@H]2CC1)=C\C=C\1C([C@@H](O)C[C@H](O)C/1)=C)C)CS(=N)(=O)C1=CC=CC=C1 FANCTJAFZSYTIS-IQUVVAJASA-N 0.000 description 28
- YLEIFZAVNWDOBM-ZTNXSLBXSA-N ac1l9hc7 Chemical compound C([C@H]12)C[C@@H](C([C@@H](O)CC3)(C)C)[C@@]43C[C@@]14CC[C@@]1(C)[C@@]2(C)C[C@@H]2O[C@]3(O)[C@H](O)C(C)(C)O[C@@H]3[C@@H](C)[C@H]12 YLEIFZAVNWDOBM-ZTNXSLBXSA-N 0.000 description 24
- GVOISEJVFFIGQE-YCZSINBZSA-N n-[(1r,2s,5r)-5-[methyl(propan-2-yl)amino]-2-[(3s)-2-oxo-3-[[6-(trifluoromethyl)quinazolin-4-yl]amino]pyrrolidin-1-yl]cyclohexyl]acetamide Chemical compound CC(=O)N[C@@H]1C[C@H](N(C)C(C)C)CC[C@@H]1N1C(=O)[C@@H](NC=2C3=CC(=CC=C3N=CN=2)C(F)(F)F)CC1 GVOISEJVFFIGQE-YCZSINBZSA-N 0.000 description 23
- 239000003795 chemical substances by application Substances 0.000 description 22
- 239000002904 solvent Substances 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 10
- 239000003292 glue Substances 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 3
- VCENQPBHAFRFTJ-UHFFFAOYSA-N 6-bromo-1-ethyl-4-oxoquinoline-3-carbohydrazide Chemical compound BrC1=CC=C2N(CC)C=C(C(=O)NN)C(=O)C2=C1 VCENQPBHAFRFTJ-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- HBENZIXOGRCSQN-VQWWACLZSA-N (1S,2S,6R,14R,15R,16R)-5-(cyclopropylmethyl)-16-[(2S)-2-hydroxy-3,3-dimethylpentan-2-yl]-15-methoxy-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11-trien-11-ol Chemical compound N1([C@@H]2CC=3C4=C(C(=CC=3)O)O[C@H]3[C@@]5(OC)CC[C@@]2([C@@]43CC1)C[C@@H]5[C@](C)(O)C(C)(C)CC)CC1CC1 HBENZIXOGRCSQN-VQWWACLZSA-N 0.000 description 1
- QMGHHBHPDDAGGO-IIWOMYBWSA-N (2S,4R)-1-[(2S)-2-[[2-[3-[4-[3-[4-[[5-bromo-4-[3-[cyclobutanecarbonyl(methyl)amino]propylamino]pyrimidin-2-yl]amino]phenoxy]propoxy]butoxy]propoxy]acetyl]amino]-3,3-dimethylbutanoyl]-4-hydroxy-N-[[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide Chemical compound CN(CCCNC1=NC(NC2=CC=C(OCCCOCCCCOCCCOCC(=O)N[C@H](C(=O)N3C[C@H](O)C[C@H]3C(=O)NCC3=CC=C(C=C3)C3=C(C)N=CS3)C(C)(C)C)C=C2)=NC=C1Br)C(=O)C1CCC1 QMGHHBHPDDAGGO-IIWOMYBWSA-N 0.000 description 1
- PHDIJLFSKNMCMI-ITGJKDDRSA-N (3R,4S,5R,6R)-6-(hydroxymethyl)-4-(8-quinolin-6-yloxyoctoxy)oxane-2,3,5-triol Chemical compound OC[C@@H]1[C@H]([C@@H]([C@H](C(O1)O)O)OCCCCCCCCOC=1C=C2C=CC=NC2=CC=1)O PHDIJLFSKNMCMI-ITGJKDDRSA-N 0.000 description 1
- WHQUHTXULUACFD-KRWDZBQOSA-N (3s)-4-[[2-(4-fluoro-3-methylphenyl)-4-methyl-6-propan-2-ylphenyl]methoxy-hydroxyphosphoryl]-3-hydroxybutanoic acid Chemical compound CC(C)C1=CC(C)=CC(C=2C=C(C)C(F)=CC=2)=C1COP(O)(=O)C[C@@H](O)CC(O)=O WHQUHTXULUACFD-KRWDZBQOSA-N 0.000 description 1
- VPMIAOSOTOODMY-KJAPKAAFSA-N (4r)-6-[(e)-2-[6-tert-butyl-4-(4-fluorophenyl)-2-propan-2-ylpyridin-3-yl]ethenyl]-4-hydroxyoxan-2-one Chemical compound C([C@H](O)C1)C(=O)OC1/C=C/C=1C(C(C)C)=NC(C(C)(C)C)=CC=1C1=CC=C(F)C=C1 VPMIAOSOTOODMY-KJAPKAAFSA-N 0.000 description 1
- MNIPVWXWSPXERA-IDNZQHFXSA-N (6r,7r)-1-[(4s,5r)-4-acetyloxy-5-methyl-3-methylidene-6-phenylhexyl]-4,7-dihydroxy-6-(11-phenoxyundecanoyloxy)-2,8-dioxabicyclo[3.2.1]octane-3,4,5-tricarboxylic acid Chemical compound C([C@@H](C)[C@H](OC(C)=O)C(=C)CCC12[C@@H]([C@@H](OC(=O)CCCCCCCCCCOC=3C=CC=CC=3)C(O1)(C(O)=O)C(O)(C(O2)C(O)=O)C(O)=O)O)C1=CC=CC=C1 MNIPVWXWSPXERA-IDNZQHFXSA-N 0.000 description 1
- QRDAPCMJAOQZSU-KQQUZDAGSA-N (e)-3-[4-[(e)-3-(3-fluorophenyl)-3-oxoprop-1-enyl]-1-methylpyrrol-2-yl]-n-hydroxyprop-2-enamide Chemical compound C1=C(\C=C\C(=O)NO)N(C)C=C1\C=C\C(=O)C1=CC=CC(F)=C1 QRDAPCMJAOQZSU-KQQUZDAGSA-N 0.000 description 1
- JNPGUXGVLNJQSQ-BGGMYYEUSA-M (e,3r,5s)-7-[4-(4-fluorophenyl)-1,2-di(propan-2-yl)pyrrol-3-yl]-3,5-dihydroxyhept-6-enoate Chemical compound CC(C)N1C(C(C)C)=C(\C=C\[C@@H](O)C[C@@H](O)CC([O-])=O)C(C=2C=CC(F)=CC=2)=C1 JNPGUXGVLNJQSQ-BGGMYYEUSA-M 0.000 description 1
- VAVHMEQFYYBAPR-ITWZMISCSA-N (e,3r,5s)-7-[4-(4-fluorophenyl)-1-phenyl-2-propan-2-ylpyrrol-3-yl]-3,5-dihydroxyhept-6-enoic acid Chemical compound CC(C)C1=C(\C=C\[C@@H](O)C[C@@H](O)CC(O)=O)C(C=2C=CC(F)=CC=2)=CN1C1=CC=CC=C1 VAVHMEQFYYBAPR-ITWZMISCSA-N 0.000 description 1
- 125000001376 1,2,4-triazolyl group Chemical group N1N=C(N=C1)* 0.000 description 1
- QLVGHFBUSGYCCG-UHFFFAOYSA-N 2-amino-n-(1-cyano-2-phenylethyl)acetamide Chemical compound NCC(=O)NC(C#N)CC1=CC=CC=C1 QLVGHFBUSGYCCG-UHFFFAOYSA-N 0.000 description 1
- LSTRKXWIZZZYAS-UHFFFAOYSA-N 2-bromoacetyl bromide Chemical compound BrCC(Br)=O LSTRKXWIZZZYAS-UHFFFAOYSA-N 0.000 description 1
- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 description 1
- MWVKLRSIDOXBSE-UHFFFAOYSA-N 5-(1-piperidin-4-ylpyrazol-4-yl)-3-(6-pyrrolidin-1-yl-1,3-benzoxazol-2-yl)pyridin-2-amine Chemical compound NC1=NC=C(C2=CN(N=C2)C2CCNCC2)C=C1C(OC1=C2)=NC1=CC=C2N1CCCC1 MWVKLRSIDOXBSE-UHFFFAOYSA-N 0.000 description 1
- HIHOEGPXVVKJPP-JTQLQIEISA-N 5-fluoro-2-[[(1s)-1-(5-fluoropyridin-2-yl)ethyl]amino]-6-[(5-methyl-1h-pyrazol-3-yl)amino]pyridine-3-carbonitrile Chemical compound N([C@@H](C)C=1N=CC(F)=CC=1)C(C(=CC=1F)C#N)=NC=1NC=1C=C(C)NN=1 HIHOEGPXVVKJPP-JTQLQIEISA-N 0.000 description 1
- VCUKKMIXURRDKL-UHFFFAOYSA-N 9-(dimethylamino)-3-(4-ethylphenyl)pyrido[1,2]thieno[3,4-d]pyrimidin-4-one Chemical compound C1=CC(CC)=CC=C1N1C(=O)C(SC=2C3=C(N(C)C)C=CN=2)=C3N=C1 VCUKKMIXURRDKL-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- REDUQXCPUSNJOL-UHFFFAOYSA-N C(C1=CC=CC=C1)NC(CN(C(C1=CC=C(C=C1)C(C)C)=O)CC1=CC=C(C=C1)C(NO)=O)=O Chemical compound C(C1=CC=CC=C1)NC(CN(C(C1=CC=C(C=C1)C(C)C)=O)CC1=CC=C(C=C1)C(NO)=O)=O REDUQXCPUSNJOL-UHFFFAOYSA-N 0.000 description 1
- DGJMHKMYSDYOFP-MRXNPFEDSA-N C=CC(N(CCC1)C[C@@H]1N1N=C(C2=CN(CC(C3=CC=CC=C3)(F)F)N=N2)C2=C(N)N=CN=C12)=O Chemical compound C=CC(N(CCC1)C[C@@H]1N1N=C(C2=CN(CC(C3=CC=CC=C3)(F)F)N=N2)C2=C(N)N=CN=C12)=O DGJMHKMYSDYOFP-MRXNPFEDSA-N 0.000 description 1
- CYSWUSAYJNCAKA-FYJFLYSWSA-N ClC1=C(C=CC=2N=C(SC=21)OCC)OC1=CC=C(C=N1)/C=C/[C@H](C)NC(C)=O Chemical compound ClC1=C(C=CC=2N=C(SC=21)OCC)OC1=CC=C(C=N1)/C=C/[C@H](C)NC(C)=O CYSWUSAYJNCAKA-FYJFLYSWSA-N 0.000 description 1
- QBXVXKRWOVBUDB-GRKNLSHJSA-N ClC=1C(=CC(=C(CN2[C@H](C[C@H](C2)O)C(=O)O)C1)OCC1=CC(=CC=C1)C#N)OCC1=C(C(=CC=C1)C1=CC2=C(OCCO2)C=C1)C Chemical compound ClC=1C(=CC(=C(CN2[C@H](C[C@H](C2)O)C(=O)O)C1)OCC1=CC(=CC=C1)C#N)OCC1=C(C(=CC=C1)C1=CC2=C(OCCO2)C=C1)C QBXVXKRWOVBUDB-GRKNLSHJSA-N 0.000 description 1
- 229940126650 Compound 3f Drugs 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- KGPGFQWBCSZGEL-ZDUSSCGKSA-N GSK690693 Chemical compound C=12N(CC)C(C=3C(=NON=3)N)=NC2=C(C#CC(C)(C)O)N=CC=1OC[C@H]1CCCNC1 KGPGFQWBCSZGEL-ZDUSSCGKSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- BEXZJJQVPWJPOA-VOTSOKGWSA-N [(e)-hept-2-enyl] 6-methyl-4-(4-nitrophenyl)-2-oxo-3,4-dihydro-1h-pyrimidine-5-carboxylate Chemical compound CCCC\C=C\COC(=O)C1=C(C)NC(=O)NC1C1=CC=C([N+]([O-])=O)C=C1 BEXZJJQVPWJPOA-VOTSOKGWSA-N 0.000 description 1
- HGDWHTASNMRJMP-UHFFFAOYSA-N [1-(hydroxyamino)-1-oxo-5-(3-phenoxyphenyl)pentan-2-yl]phosphonic acid Chemical compound ONC(=O)C(P(O)(O)=O)CCCC1=CC=CC(OC=2C=CC=CC=2)=C1 HGDWHTASNMRJMP-UHFFFAOYSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- SRVFFFJZQVENJC-IHRRRGAJSA-N aloxistatin Chemical compound CCOC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H](CC(C)C)C(=O)NCCC(C)C SRVFFFJZQVENJC-IHRRRGAJSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001409 amidines Chemical class 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 150000001541 aziridines Chemical class 0.000 description 1
- 125000005604 azodicarboxylate group Chemical group 0.000 description 1
- KSCRVOKQPYZBHZ-IXPOFIJOSA-N benzyl n-[(2s)-1-[[(2s)-1-[[(2s)-1-(1,3-benzothiazol-2-yl)-1-oxo-3-[(3s)-2-oxopyrrolidin-3-yl]propan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]carbamate Chemical compound N([C@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C[C@H]1C(NCC1)=O)C(=O)C=1SC2=CC=CC=C2N=1)C(C)C)C(=O)OCC1=CC=CC=C1 KSCRVOKQPYZBHZ-IXPOFIJOSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- OSVHLUXLWQLPIY-KBAYOESNSA-N butyl 2-[(6aR,9R,10aR)-1-hydroxy-9-(hydroxymethyl)-6,6-dimethyl-6a,7,8,9,10,10a-hexahydrobenzo[c]chromen-3-yl]-2-methylpropanoate Chemical compound C(CCC)OC(C(C)(C)C1=CC(=C2[C@H]3[C@H](C(OC2=C1)(C)C)CC[C@H](C3)CO)O)=O OSVHLUXLWQLPIY-KBAYOESNSA-N 0.000 description 1
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 1
- 229910000024 caesium carbonate Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229940125796 compound 3d Drugs 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-O diazynium Chemical compound [NH+]#N IJGRMHOSHXDMSA-UHFFFAOYSA-O 0.000 description 1
- AVAACINZEOAHHE-VFZPANTDSA-N doripenem Chemical compound C=1([C@H](C)[C@@H]2[C@H](C(N2C=1C(O)=O)=O)[C@H](O)C)S[C@@H]1CN[C@H](CNS(N)(=O)=O)C1 AVAACINZEOAHHE-VFZPANTDSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- JFOZKMSJYSPYLN-QHCPKHFHSA-N lifitegrast Chemical compound CS(=O)(=O)C1=CC=CC(C[C@H](NC(=O)C=2C(=C3CCN(CC3=CC=2Cl)C(=O)C=2C=C3OC=CC3=CC=2)Cl)C(O)=O)=C1 JFOZKMSJYSPYLN-QHCPKHFHSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- MUTCAPXLKRYEPR-ITWZMISCSA-N methyl (e,3r,5s)-7-[4-bromo-2,3-bis(4-fluorophenyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyhept-6-enoate Chemical compound COC(=O)C[C@H](O)C[C@H](O)\C=C\N1C(C(C)C)=C(Br)C(C=2C=CC(F)=CC=2)=C1C1=CC=C(F)C=C1 MUTCAPXLKRYEPR-ITWZMISCSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- 238000007040 multi-step synthesis reaction Methods 0.000 description 1
- QAPTWHXHEYAIKG-RCOXNQKVSA-N n-[(1r,2s,5r)-5-(tert-butylamino)-2-[(3s)-2-oxo-3-[[6-(trifluoromethyl)quinazolin-4-yl]amino]pyrrolidin-1-yl]cyclohexyl]acetamide Chemical compound CC(=O)N[C@@H]1C[C@H](NC(C)(C)C)CC[C@@H]1N1C(=O)[C@@H](NC=2C3=CC(=CC=C3N=CN=2)C(F)(F)F)CC1 QAPTWHXHEYAIKG-RCOXNQKVSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- ULSDMUVEXKOYBU-ZDUSSCGKSA-N zolmitriptan Chemical compound C1=C2C(CCN(C)C)=CNC2=CC=C1C[C@H]1COC(=O)N1 ULSDMUVEXKOYBU-ZDUSSCGKSA-N 0.000 description 1
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- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
- C07D249/10—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
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- C07F7/0803—Compounds with Si-C or Si-Si linkages
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- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
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Abstract
本发明公开了一种1,2,4‑三氮唑及其制备方法,以氟硼酸芳基重氮盐、重氮酯衍生物和有机腈为反应底物,以过渡金属为催化剂,以无机碱为添加剂,通过环化反应制备得到1,2,4‑三氮唑。本发明所使用的方法具有以下特点:反应更经济、底物普适性更广、后期官能团化更容易,反应条件温和,空气中即可进行,催化剂用量少,后处理简便,有利于产物的纯化和工业化应用。同时,本发明使用的反应物、催化剂等原料廉价易得,反应组成合理,无需配体,反应步骤少,仅需一步反应即可取得较高的产率,符合当代绿色化学和药物化学的要求和方向,适于筛选高活性的1,2,4‑三氮唑药物。
Description
技术领域
本发明涉及一种1,2,4-三氮唑及其制备方法,属于有机合成技术领域。
背景技术
1,2,4-三氮唑作为一种非常有价值的五元含氮杂环骨架,广泛存在于许多功能分子中,被应用于有机催化、材料科学等领域。另外,1,2,4-三氮唑骨架也出现于许多生物活性分子中,在制药业、农药中具有重要的用途。目前,制备1,2,4-三氮唑的方法有着反应步骤多,原料制备繁琐,反应条件复杂、底物范围窄等缺点。例如:
(1)Michael J. Stocks等人报道了伯胺、酰胺二缩醛衍生物、酰肼衍生物制备1,2,4-三氮唑,但是需要多步反应,反应底物范围窄(参见:Michael J. Stocks;Org. Lett.2004, 6, 2969);
(2)Hideko Nagasawa等人报道了脒盐酸盐衍生物、有机腈制备1,2,4-三氮唑,但反应温度高,且底物范围窄(参见:Hideko Nagasawa; J. Am. Chem. Soc.2009, 131,15080);
(3)最近,Bo Tang等人报道了以氮杂环丙烯衍生物、偶氮二羧酸酯和溴化物为反应底物制备1,2,4-三氮唑,但反应需分两步进行,且原料需要多步合成(参见:Bo Tang;Chem. Commun.2017, 53, 9644)。
因此,很有必要研发一种原料来源丰富,反应活性较高、成本低、操作简便的制备方法来有效合成1,2,4-三氮唑化合物。
发明内容
本发明的目的是提供一种制备1,2,4-三氮唑的方法,其反应原料来源丰富、反应底物普适性广,操作简便、便于后期功能化合成潜在的药物分子。
为达到上述发明目的,本发明采用的技术方案是:
一种1,2,4-三氮唑的制备方法,包括以下步骤,以氟硼酸芳基重氮盐、重氮酯衍生物和有机腈为反应底物,以铜盐为催化剂,以无机碱为添加剂,通过环化反应制备得到1,2,4-三氮唑;
其中,所述氟硼酸芳基重氮盐的化学结构通式为,式中,Ar选自未取代芳基、单取代芳基;所述未取代芳基为苯基;所述单取代芳基的化学结构式如下:
R1选自氢、甲基、异丙基、叔丁基、苯基、甲氧基、氟、氯、溴、三氟甲基或者三氟甲氧基;
所述重氮酯衍生物的结构式如下:
式中,R2选自乙基、异丙基、叔丁基、环己基、苯基或者苄基;
所述有机腈的化学结构式如下:
式中,R3选自甲基、异丙基、叔丁基或者苄基;
所述1,2,4-三氮唑的化学结构式如下:
R4为如下结构式的基团:
R5为如下结构式的基团:
。
R4来自重氮酯衍生物,R5来自有机腈,其中*表示连接位点。
上述技术方案中,所述环化反应的反应温度为40℃,反应时间为1小时;所述环化反应在空气中进行。
上述技术方案中,所述铜盐为卤素铜盐;所述添加剂选自碳酸锂、碳酸钾、碳酸铯、醋酸钠、叔丁醇锂中的一种;优选的,卤素铜盐为溴化亚铜,所述添加剂为碳酸锂。
上述技术方案中,所述未取代芳基为苯基;
所述单取代芳基的化学结构式如下:
R1选自氢、甲基、异丙基、叔丁基、苯基、甲氧基、氟、氯、溴、三氟甲基、三氟甲氧基。
上述技术方案中,所述催化剂用量为氟硼酸芳基重氮盐摩尔量的20%;所述添加剂用量为氟硼酸芳基重氮盐摩尔量的1倍。
上述技术方案中,有机腈的用量为氟硼酸芳基重氮盐摩尔量的20-50倍;所述重氮酯衍生物为氟硼酸芳基重氮盐摩尔量的3倍。
本发明的环化反应在空气中进行,反应完成后先用乙酸乙酯淬灭,然后用旋转蒸发仪除去溶剂、硅胶吸附,最后用乙酸乙酯和石油醚的混合溶剂进行简单的柱层析即可得产物1,2,4-三氮唑。因此本发明还公开了根据上述方法制备得到的1,2,4-三氮唑。
由于上述技术方案的运用,本发明与现有技术相比具有下列优点:
1.本发明优选溴化亚铜为催化剂,碳酸锂为添加剂实现氟硼酸芳基重氮盐、重氮酯衍生物和有机腈的环化反应来制备1,2,4-三氮唑,与现有技术中的原料预制备、反应步骤多和条件苛刻相比,反应更经济、底物普适性更广、原料易得、后期官能团化更易。
2.本发明公开的方法反应条件温和,空气中即可进行,催化剂用量少,后处理简便,有利于产物的纯化和大规模工业化应用,商品化药物的一步官能团化更易进行。
3.本发明使用的反应物、催化剂等原料廉价易得,反应组成合理,无需配体,反应步骤少,仅需一步反应即可取得较高的产率,符合当代绿色化学和药物化学的要求和方向,适于筛选高活性的1,2,4-三氮唑药物。
具体实施方式
下面结合实施例对本发明作进一步描述:
本发明的原料、催化剂、添加剂皆为市场化商品,可直接购买,也可根据常规技术制备,比如氟硼酸芳基重氮盐可以通过市场化的芳香胺、亚硝酸钠和氟硼酸反应得到;重氮酯衍生物可以通过市场化的醇与溴乙酰溴、对甲苯磺酰肼、对甲苯磺酰氯等简单原料合成。
实施例一
反应瓶中依次装入化合物1a (0.2 mmol, 45.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4a,收率为85%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.33 – 7.25 (m, 4H), 4.36 (q, J = 8.0 Hz,2H), 2.51 (s, 3H), 2.43 (s, 3H), 1.34 (t, J = 8.0 Hz, 3H). 13C NMR (101 MHz,CDCl3) δ 160.79, 157.28, 144.66, 139.60, 135.29, 129.33, 125.31, 62.38,21.15, 13.89, 13.72. HRMS (ESI-TOF): Anal. Calcd. For C13H15N3O2+Na+: 284.1006,Found: 284.1015; IR (neat, cm-1): υ 2936.42, 1731.74, 1519.50, 1255.34,1234.01, 1112.29, 1107.30, 827.78。
实施例二
反应瓶中依次装入化合物1b (0.2 mmol, 43.4 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4b,收率为71%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.33 – 7.25 (m, 4H), 4.36 (q, J = 8.0 Hz,2H), 2.51 (s, 3H), 2.43 (s, 3H), 1.34 (t, J = 8.0 Hz, 3H).13C NMR (101 MHz,CDCl3) δ 160.79, 157.28, 144.66, 139.60, 135.29, 129.33, 125.31, 62.38,21.15, 13.89, 13.72. HRMS (ESI-TOF): Anal. Calcd. For C13H15N3O2+H+: 246.1237,Found: 246.1235; IR (neat, cm-1): υ 2986.72, 1728.32, 1518.54, 1300.80,1229.34, 1118.00, 1052.76, 816.07。
实施例三
反应瓶中依次装入化合物1c (0.2 mmol,49.3 mg),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4c,收率为70%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.38 – 7.30 (m, 4H), 4.36 (q, J = 8.0 Hz,2H), 2.99 (dt, J = 13.8, 6.9 Hz, 1H), 2.51 (s, 3H), 1.33 (t, J = 8.0 Hz, 3H),1.28 (d, J = 6.9 Hz, 6H). 13C NMR (101 MHz, CDCl3) δ 160.80, 157.31, 150.40,144.63, 135.51, 126.77, 125.38, 62.38, 33.82, 23.76, 13.87, 13.72. HRMS (ESI-TOF): Anal. Calcd. For C15H19N3O2+H+: 274.1550, Found: 274.1549; IR (neat, cm-1): υ 2960.85, 1739.54, 1521.23, 1224.84, 1115.14, 1057.49, 853.78, 837.46。
实施例四
反应瓶中依次装入化合物1d (0.2 mmol, 52.3 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4d,收率为66%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.52 – 7.46 (m, 2H), 7.39 – 7.32 (m, 2H),4.37 (q, J = 8.0 Hz, 2H), 2.51 (s, 3H), 1.38 – 1.30 (m, 12H). 13C NMR (101MHz, CDCl3) δ 160.79, 157.32, 152.65, 144.60, 135.21, 125.70, 125.02, 62.37,34.73, 31.16, 13.88, 13.73. HRMS (ESI-TOF): Anal. Calcd. For C16H21N3O2+ Na +:310.1526, Found: 310.1536; IR (neat, cm-1): υ 2962.52, 1740.86, 1523.31,1483.23, 1227.50, 1104.75, 1055.22, 841.35。
实施例五
反应瓶中依次装入化合物1e (0.2 mmol, 56.5 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4e,收率为52%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.74 – 7.67 (m, 2H), 7.62 (m, 2H), 7.54 –7.44 (m, 4H), 7.42 – 7.36 (m, 1H), 4.39 (q, J = 8.0 Hz, 2H), 2.53 (s, 3H),1.36 (t, J = 7.1 Hz, 3H). 13C NMR (101 MHz, CDCl3) δ 161.07, 157.37, 144.74,142.48, 139.74, 136.86, 128.85, 127.86, 127.46, 127.16, 125.88, 62.56, 13.97,13.80. HRMS (ESI-TOF): Anal. Calcd. For C18H17N3O2+Na+: 330.1213, Found:330.1220; IR (neat, cm-1): υ 2920.13, 1745.02, 1299.15, 1220.32, 1112.49,1055.96, 770.05, 705.14。
实施例六
反应瓶中依次装入化合物1f (0.2 mmol, 40.4 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4f,收率为64%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.51 – 7.46 (m, 3H), 7.46 – 7.41 (m, 2H),4.36 (q, J = 8.0 Hz, 2H), 2.52 (s, 3H), 1.32 (t, J = 8.0 Hz, 3H). 13C NMR (101MHz, CDCl3) δ 160.86, 157.15, 144.66, 137.72, 129.38, 128.70, 125.50, 62.36,13.80, 13.65. HRMS (ESI-TOF): Anal. Calcd. For C12H13N3O2+Na+: 254.0900, Found:254.0903; IR (neat, cm-1): υ 2986.08, 1734.75, 1509.89, 1227.99, 1118.24,1053.52, 765.16, 694.81。
实施例七
反应瓶中依次装入化合物1g (0.2 mmol, 44.2 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4g,收率为60%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.53 – 7.32 (m, 2H), 7.23 – 7.06 (m, 2H),4.37 (q, J = 8.0 Hz, 2H), 2.51 (s, 3H), 1.35 (t, J = 8.0 Hz, 3H). 13C NMR (101MHz, CDCl3) δ 164.00, 161.51, 160.99, 157.10, 144.75, 133.82, 133.79, 127.64,127.55, 115.87, 115.64, 62.52, 13.87, 13.67. HRMS (ESI-TOF): Anal. Calcd. ForC12H12FN3O2+Na+: 272.0806, Found: 272.0801; IR (neat, cm-1): υ 2987.77,1728.00, 1517.03, 1484.20, 1232.15, 1122.99, 1051.12, 834.38。
实施例八
反应瓶中依次装入化合物1h (0.2 mmol, 47.7 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4h,收率为54%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.52 – 7.43 (m, 2H), 7.42 – 7.34 (m, 2H),4.38 (q, J = 8.0 Hz, 2H), 2.51 (s, 3H), 1.36 (t, J = 8.0 Hz, 3H). 13C NMR (101MHz, CDCl3) δ 161.23, 157.20, 144.76, 136.24, 135.48, 129.01, 126.96, 62.66,13.95, 13.75. HRMS (ESI-TOF): Anal. Calcd. For C12H12ClN3O2+Na+: 288.0510,Found: 288.0499; IR (neat, cm-1): υ 2923.78, 1728.88, 1479.44, 1302.47,1235.60, 1100.73, 1051.74, 830.37。
实施例九
反应瓶中依次装入化合物1i (0.2 mmol, 56.0 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4i,收率为53%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.79 – 7.51 (m, 2H), 7.40 – 7.24 (m, 2H),4.38 (q, J = 8.0 Hz, 2H), 2.51 (s, 3H), 1.36 (t, J = 8.0 Hz, 3H). 13C NMR (101MHz, CDCl3) δ 161.3, 157.2, 144.7, 136.7, 132.0, 127.2, 123.5, 62.7, 14.0,13.8. HRMS (ESI-TOF): Anal. Calcd. For C12H12BrN3O2+Na+: 332.0005,333.9985,Found: 332.0006, 333.9983; IR (neat, cm-1): υ 2977.70, 1728.33, 1497.41,1301.34, 1235.41, 1122.10, 1099.21, 827.50。
实施例十
反应瓶中依次装入化合物1j (0.2 mmol, 58.1 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4j,收率为46%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.58 – 7.45 (m, 2H), 7.34 (d, J = 8.4 Hz,2H), 4.38 (q, J = 8.0 Hz, 2H), 2.52 (s, 3H), 1.35 (t, J = 8.0 Hz, 3H). 13C NMR(101 MHz, CDCl3) δ 161.31, 157.18, 149.58, 144.83, 136.13, 127.35, 121.15,62.71, 13.92, 13.76. HRMS (ESI-TOF): Anal. Calcd. For C13H12F3N3O3+Na+:338.0723, Found: 338.0718; IR (neat, cm-1): υ 2990.01, 1741.28, 1517.71,1257.97, 1203.59, 1161.03, 1122.05, 860.53。
实施例十一
反应瓶中依次装入化合物1k (0.2 mmol, 43.4 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4k,收率为69%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.36 (m, 1H), 7.29 (m, 1H), 7.27 – 7.19 (m,1H), 4.36 (q, J = 8.0 Hz, 2H), 2.51 (s, 3H), 2.42 (s, 3H), 1.33 (t, J = 8.0Hz, 3H). 13C NMR (101 MHz, CDCl3) δ 160.87, 157.27, 144.73, 139.01, 137.70,130.24, 128.54, 126.04, 122.66, 62.41, 21.16, 13.89, 13.73. HRMS (ESI-TOF):Anal. Calcd. For C13H15N3O2+Na+: 268.1056, Found: 268.1060; IR (neat, cm-1): υ2925.21, 1732.17, 1504.01, 1231.72, 1115.47, 1062.54, 796.71, 694.59。
实施例十二
反应瓶中依次装入化合物1l (0.2 mmol, 47.7 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4l,收率为46%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.67 – 7.59 (m, 2H), 7.43 – 7.33 (m, 2H),4.38 (q, J = 8.0 Hz, 2H), 2.51 (s, 3H), 1.35 (t, J = 8.0 Hz, 3H).13C NMR (101MHz, CDCl3) δ 161.30, 157.08, 144.83, 138.72, 132.58, 129.96, 128.85, 124.41,122.10, 62.67, 13.91, 13.73. HRMS (ESI-TOF): Anal. Calcd. For C12H12ClN3O2+Na+:288.0510, Found: 288.0519; IR (neat, cm-1): υ 2918.90, 1728.46, 1504.34,1296.90, 1233.04, 1122.62, 786.51, 682.53。
实施例十三
反应瓶中依次装入化合物1m (0.2 mmol, 56.0 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4m,收率为40%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.50 – 7.46 (m, 2H), 7.45 – 7.40 (m, 1H),7.37 – 7.33 (m, 1H), 4.38 (q, J = 8.0 Hz, 2H), 2.51 (s, 3H), 1.35 (t, J = 8.0Hz, 3H). 13C NMR (101 MHz, CDCl3) δ 161.28, 157.08, 144.82, 138.65, 134.50,129.76, 129.72, 126.08, 123.97, 62.73, 13.93, 13.74. HRMS (ESI-TOF): Anal.Calcd. For C12H12BrN3O2+Na+: 332.0005,333.9985, Found: 332.0016, 333.9995; IR(neat, cm-1): υ 2935.73, 1731.12, 1472.25, 1231.83, 1123.08, 867.37, 790.69,682.99。
实施例十四
反应瓶中依次装入化合物1n (0.2 mmol, 54.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4n,收率为31%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.80 – 7.73 (m, 2H), 7.69 – 7.60 (m, 2H),4.38 (q, J = 8.0 Hz, 2H), 2.53 (s, 3H), 1.34 (t, J = 8.0 Hz, 3H). 13C NMR (101MHz, CDCl3) δ 161.48, 157.07, 144.88, 138.17, 131.96, 131.63, 131.30, 130.97,129.41, 129.04, 126.23, 126.20, 126.16, 126.12, 124.59, 122.96, 122.92,122.89, 122.85, 121.88, 62.73, 13.84, 13.70. HRMS (ESI-TOF): Anal. Calcd. ForC13H12F3N3O2+H+: 300.0954, Found: 300.0955; IR (neat, cm-1): υ 2957.27, 1735.31,1329.97, 1282.83, 1187.40, 1167.55, 1121.79, 803.91。
实施例十五
反应瓶中依次装入化合物1o (0.2 mmol, 45.0 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物4o,收率为62%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.48 – 7.41 (m, 1H), 7.39 (m, 1H), 7.07 (m,1H), 7.01 (m, 1H), 4.32 (q, J = 8.0 Hz, 2H), 3.75 (s, 3H), 2.51 (s, 3H), 1.29(t, J = 8.0 Hz, 3H). 13C NMR (101 MHz, CDCl3) δ 160.87, 157.18, 153.34,146.25, 130.74, 127.15, 126.88, 120.57, 111.54, 62.02, 55.53, 13.84, 13.77.HRMS (ESI-TOF): Anal. Calcd. For C13H15N3O3+Na+: 284.1006, Found: 284.0993; IR(neat, cm-1): υ 2919.79, 1731.90, 1494.78, 1290.07, 1248.55, 1100.45,1038.55, 781.89。
实施例十六
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2b(0.6 mmol, 78.5 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5a,收率为85%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.38 – 7.30 (m, 2H), 7.03 – 6.93 (m, 2H),5.19 (dt, J = 12.6, 6.3 Hz, 1H), 3.85 (s, 3H), 2.50 (s, 3H), 1.30 (d, J = 6.3Hz, 6H). 13C NMR (101 MHz, CDCl3) δ 160.60, 160.07, 156.83, 145.08, 130.82,126.82, 113.76, 70.47, 55.38, 21.37, 13.69. HRMS (ESI-TOF): Anal. Calcd. ForC14H17N3O3+H+: 276.1343, Found: 276.1355; IR (neat, cm-1): υ 2984.11, 1722.12,1518.55, 1303.28, 1244.48, 1126.76, 1102.00, 827.13。
实施例十七
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2c(0.6 mmol, 87.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5b,收率为46%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.34 – 7.29 (m, 2H), 7.01 – 6.93 (m, 2H),3.86 (s, 3H), 2.49 (s, 3H), 1.47 (s, 9H). 13C NMR (101 MHz, CDCl3) δ 160.53,160.08, 156.43, 146.13, 131.16, 126.79, 113.90, 84.20, 55.49, 27.73, 13.78.HRMS (ESI-TOF): Anal. Calcd. For C15H19N3O3+H+: 290.1499, Found: 290.1507; IR(neat, cm-1): υ 2924.07, 1732.96, 1516.63, 1250.67, 1234.74, 1114.37,1102.41, 836.77。
实施例十八
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2d(0.6 mmol, 103.0 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5c,收率为70%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.38 – 7.29 (m, 2H), 7.03 – 6.89 (m, 2H),5.02 – 4.86 (m, 1H), 3.86 (s, 3H), 2.56 – 2.46 (s, 3H), 1.94 – 1.85 (m, 2H),1.73 – 1.62 (m, 2H), 1.58 – 1.40 (m, 3H), 1.37 – 1.15 (m, 3H). 13C NMR (101MHz, CDCl3) δ 160.68, 160.13, 156.86, 145.26, 130.94, 126.88, 113.85, 75.60,55.47, 31.18, 24.97, 23.69, 13.76. HRMS (ESI-TOF): Anal. Calcd. For C17H21N3O3+Na+: 338.1475, Found: 338.1463; IR (neat, cm-1): υ 2936.47, 1731.18, 1518.58,1251.82, 1221.23, 1117.26, 1049.51, 839.39。
实施例十九
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2e(0.6 mmol, 99.3 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5d,收率为86%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.43 – 7.33 (m, 4H), 7.27 – 7.21 (m, 1H),7.18 – 7.12 (m, 2H), 6.99 – 6.93 (m, 2H), 3.81 (s, 3H), 2.58 (s, 3H). 13C NMR(101 MHz, CDCl3) δ 161.08, 160.28, 155.79, 149.73, 144.06, 130.50, 129.42,126.89, 126.42, 121.21, 113.96, 55.46, 13.80. HRMS (ESI-TOF): Anal. Calcd.For C17H15N3O3+H+: 310.1186, Found: 310.1177; IR (neat, cm-1): υ 2823.11,1741.42, 1302.15, 1250.80, 1232.35, 830.89, 750.85, 725.17。
实施例二十
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2f(0.6 mmol, 107.9 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5e,收率为72%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.43 – 7.16 (m, 7H), 6.99 – 6.78 (m, 2H),5.30 (s, 2H), 3.83 (s, 3H), 2.49 (s, 3H). 13C NMR (101 MHz, CDCl3) δ 160.81,160.14, 157.10, 144.60, 134.39, 130.66, 128.66, 128.54, 128.45, 126.82,113.88, 67.81, 55.41, 13.72. HRMS (ESI-TOF): Anal. Calcd. For C18H17N3O3+H+:324.1343, Found: 324.1350; IR (neat, cm-1): υ 2992.11, 1728.03, 1517.60,1300.65, 1251.15, 1239.09, 1120.72, 1105.86。
实施例二十一
反应瓶中依次装入化合物1a (0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2g(0.6 mmol, 147.2 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5f,收率为84%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 8.03 (d, J = 8.2 Hz, 1H), 7.87 – 7.82 (m,1H), 7.74 (d, J = 8.1 Hz, 1H), 7.53 – 7.44 (m, 2H), 7.40 – 7.34 (m, 1H), 7.30(d, J = 6.4 Hz, 1H), 7.28 – 7.23 (m, 2H), 6.95 – 6.87 (m, 2H), 4.68 – 4.58(t, J = 8.0 Hz, 2H), 3.80 (s, 3H), 3.48 (t, J = 8.0 Hz, 2H), 2.52 (s, 3H). 13CNMR (101 MHz, CDCl3) δ 160.78, 160.12, 157.19, 144.51, 133.73, 132.57,131.80, 130.60, 128.72, 127.55, 126.97, 126.74, 126.24, 125.64, 125.41,123.27, 113.84, 65.89, 55.40, 31.88, 13.74. HRMS (ESI-TOF): Anal. Calcd. ForC23H21N3O3+H+: 388.1656, Found: 388.1645; IR (neat, cm-1): υ 2964.75, 1732.15,1517.85, 1253.72, 1214.09, 1115.14, 840.27, 809.79。
实施例二十二
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2h(0.6 mmol, 114.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5g,收率为53%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.48 – 7.29 (m, 2H), 7.08 – 6.89 (m, 2H),4.47 – 4.30 (m, 2H), 3.86 (s, 3H), 2.50 (s, 3H), 1.19 – 0.95 (m, 2H), 0.03(2, 9H). 13C NMR (101 MHz, CDCl3) δ 160.71, 160.17, 157.49, 144.87, 130.76,126.88, 113.89, 64.97, 55.46, 17.38, 13.76, -1.73. HRMS (ESI-TOF): Anal.Calcd. For C16H23N3O3Si+H+: 334.1581, Found: 334.1585; IR (neat, cm-1): υ2954.63, 1737.78, 1517.88, 1250.59, 1230.20, 1118.37, 866.69, 829.30。
实施例二十三
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2i(0.6 mmol, 96.9 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5h,收率为85%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.38 – 7.31 (m, 2H), 7.02 – 6.94 (m, 2H),4.38 (t, J = 8.0 Hz, 2H), 3.86 (s, 3H), 3.37 (t, J = 6.2 Hz, 2H), 3.29 (s,3H), 2.50 (s, 3H), 1.99 – 1.91 (m, 2H). 13C NMR (101 MHz, CDCl3) δ 160.79,160.21, 157.31, 144.73, 130.78, 126.88, 113.92, 68.67, 63.68, 58.55, 55.48,28.60, 13.75. HRMS (ESI-TOF): Anal. Calcd. For C15H19N3O4+Na+: 328.1268, Found:328.1266; IR (neat, cm-1): υ 2926.65, 1736.51, 1518.71, 1252.57, 1217.87,1116.87, 1050.56, 837.62。
实施例二十四
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2j(0.6 mmol, 102.9 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5i,收率为65%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.41 – 7.28 (m, 2H), 7.05 – 6.91 (m, 2H),4.66 (q, J = 8.0 Hz, 2H), 3.86 (s, 3H), 2.52 (s, 3H). 13C NMR (101 MHz, CDCl3)δ 161.32, 160.46, 155.74, 143.19, 130.34, 126.82, 123.66, 120.90, 114.08,61.60, 61.23, 60.86, 60.48, 55.52, 13.76. HRMS (ESI-TOF): Anal. Calcd. ForC13H12F3N3O3+H+: 316.0904, Found: 316.0912; IR (neat, cm-1): υ 2924.86, 1754.07,1257.33, 1208.36, 112.98, 1115.47, 985.74, 833.02。
实施例二十五
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2k(0.6 mmol, 109.6 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5j,收率为65%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.40 – 7.32 (m,2H), 7.03 – 6.93 (m, 2H),4.59 (t, J = 6.5 Hz, 2H), 3.86 (s, 3H), 3.54 (t, J = 6.5 Hz, 2H), 2.51 (s,3H). 13C NMR (101 MHz, CDCl3) δ 160.95, 160.31, 156.74, 144.05, 130.55,126.90, 113.97, 65.06, 55.50, 27.23, 13.75. HRMS (ESI-TOF): Anal. Calcd. ForC13H14BrN3O3+H+: 340.0291, 342.0271, Found: 340.0278, 342.0261; IR (neat, cm-1): υ 2918.23, 1726.23, 1519.05, 1300.21, 1219.98, 1122.84, 1035.80, 830.31。
实施例二十六
反应瓶中依次装入化合物1a (0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2l(0.6 mmol, 120.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5k,收率为74%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.34 – 7.28 (m, 2H), 7.15 (m, 1H), 6.94 (m,3H), 6.83 (d, J = 3.4 Hz, 1H), 4.51 (t, J = 7.2 Hz, 2H), 3.85 (s, 3H), 3.23(t, J = 7.2 Hz, 2H), 2.51 (s, 3H). 13C NMR (101 MHz, CDCl3) δ 160.83, 160.18,157.12, 144.43, 138.58, 130.62, 126.92, 126.79, 125.73, 124.12, 113.90,66.15, 55.45, 28.86, 13.75. HRMS (ESI-TOF): Anal. Calcd. For C17H17N3O3S+H+:344.1063, Found: 344.1070; IR (neat, cm-1): υ 2924.64, 1738.29, 1517.78,1252.31, 1222.75, 1115.15, 835.11, 719.94。
实施例二十七
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2m(0.6 mmol, 85.8 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5l,收率为60%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.40 – 7.29 (m, 2H), 7.04 – 6.87 (m, 2H),5.79-5.87 (m, 1H), 5.70 – 5.54 (m, 1H), 4.72 (d, J = 6.7 Hz, 2H), 3.86 (s,3H), 2.50 (s, 3H), 1.78 – 1.58 (m, 3H). 13C NMR (101 MHz, CDCl3) δ 160.74,160.17, 157.11, 144.63, 133.33, 130.68, 126.87, 123.73, 113.87, 66.91, 55.44,17.66, 13.73. HRMS (ESI-TOF): Anal. Calcd. For C15H17N3O3+H+: 288.1343, Found:288.1339; IR (neat, cm-1): υ 2968.55, 1726.51, 1518.78, 1481.51, 1300.97,1247.06, 1121.77, 828.25。
实施例二十八
反应瓶中依次装入化合物1a(0.2 mmol, 45.8g),CuBr (0.04 mmol, 5.8 mg),Li2CO3 (14.8 mmol,),化合物3a (0.5mL), 化合物2n(0.6 mmol, 85.8 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物5m,收率为72%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.37 – 7.31 (m, 2H), 7.05 – 6.94 (m, 2H),5.71 (m, 1H), 5.09 (m, 2H), 4.34 (t, J = 7.0 Hz, 2H), 3.86 (s, 3H), 2.50 (s,3H), 2.49 – 2.41 (m, 2H). 13C NMR (101 MHz, CDCl3) δ 160.77, 160.18, 157.25,144.62, 132.99, 130.72, 126.84, 117.71, 113.89, 65.23, 55.45, 32.63, 13.73.HRMS (ESI-TOF): Anal. Calcd. For C15H17N3O3+H+: 288.1343, Found: 288.1340; IR(neat, cm-1): υ 2962.14, 1736.63, 1518.42, 1292.92, 1252.54, 1215.32,1118.32, 835.48。
实施例二十九
反应瓶中依次装入化合物1a (0.2 mmol, 45.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3b (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物6a,收率为76%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.39 – 7.32 (m, 2H), 7.01 – 6.94 (m, 2H),4.36 (q, J = 8.0 Hz, 2H), 3.85 (s, 3H), 3.19 (dt, J = 13.9, 7.0 Hz, 1H), 1.40(d, J = 8.0 Hz, 6H), 1.32 (t, J = 8.0 Hz, 3H). 13C NMR (101 MHz, CDCl3) δ169.13, 160.11, 157.52, 144.66, 130.93, 126.93, 113.85, 62.34, 55.44, 28.24,21.45, 13.92. HRMS (ESI-TOF): Anal. Calcd. For C15H19N3O3+H+: 290.1499, Found:290.1502; IR (neat, cm-1): υ 2975.31, 1729.47, 1520.10, 1487.75, 1256.44,1288.07, 1121.29, 830.85。
实施例三十
反应瓶中依次装入化合物1a (0.2 mmol, 45.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3c(0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物6b,收率为68%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.43 – 7.30 (m, 2H), 7.12 – 6.82 (m, 2H),4.35 (q, J = 8.0 Hz, 2H), 3.85 (s, 3H), 1.45 (s, 9H), 1.30 (t, J = 8.0 Hz,3H). 13C NMR (101 MHz, CDCl3) δ 171.76, 160.10, 157.75, 144.78, 131.11,126.99, 113.89, 62.36, 32.96, 29.49, 13.94. HRMS (ESI-TOF): Anal. Calcd. ForC16H21N3O3+H+: 304.1656, Found: 304.1650; IR (neat, cm-1): υ 2967.49, 1736.00,1518.19, 1252.96, 1208.04, 1104.90, 1045.83, 834.61。
实施例三十一
反应瓶中依次装入化合物1a (0.2 mmol, 45.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3d (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物6c,收率为59%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.38 – 7.32 (m, 2H), 7.01 – 6.94 (m, 2H),4.36 (q, J = 8.0 Hz, 2H), 3.86 (s, 3H), 2.86 – 2.79 (m, 2H), 1.80 (dt, J =15.4, 7.6 Hz, 2H), 1.48 – 1.38 (m, 2H), 1.33 (t, J = 8.0 Hz, 3H), 0.95 (t, J= 8.0 Hz, 3H). 13C NMR (101 MHz, CDCl3) δ 164.62, 160.13, 157.41, 144.64,130.83, 126.89, 113.85, 62.36, 55.45, 30.32, 27.91, 22.36, 13.94, 13.69. HRMS(ESI-TOF): Anal. Calcd. For C16H21N3O3+H+: 304.1656, Found: 304.1661; IR (neat,cm-1): υ 2959.06, 1736.30, 1518.20, 1252.29, 1219.22, 1106.85, 1046.59,834.49。
实施例三十二
反应瓶中依次装入化合物1a (0.2 mmol, 45.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3e (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物6d,收率为67%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.40 (d, J = 7.4 Hz, 2H), 7.37 – 7.26 (m,4H), 7.22 (t, J = 7.3 Hz, 1H), 7.00 – 6.90 (m, 2H), 4.34 (q, J = 8.0 Hz, 2H),4.18 (s, 2H), 3.84 (s, 3H), 1.31 (t, J = 8.0 Hz, 3H). 13C NMR (101 MHz, CDCl3)δ 163.12, 160.21, 157.36, 144.98, 137.37, 130.75, 128.87, 128.45, 126.94,126.57, 113.87, 62.45, 55.48, 34.56, 13.95. HRMS (ESI-TOF): Anal. Calcd. ForC19H19N3O3+H+: 338.1499, Found: 338.1493; IR (neat, cm-1): υ 2918.50, 1728.06,1519.02, 1250.11, 1236.24, 1125.52, 826.20, 139.74。
实施例三十三
反应瓶中依次装入化合物1a (0.2 mmol, 45.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3f (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物6e,收率为74%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.45 – 7.28 (m, 2H), 7.06 – 6.88 (m, 2H),4.36 (q, J = 8.0 Hz, 2H), 3.86 (s, 3H), 3.65 (t, J = 6.5 Hz, 2H), 3.14 – 2.93(m, 2H), 2.42 – 2.23 (m, 2H), 1.33 (t, J = 8.0 Hz, 3H). 13C NMR (101 MHz,CDCl3) δ 163.04, 160.22, 157.25, 144.84, 130.66, 126.84, 113.89, 62.47,55.47, 44.11, 30.66, 25.48, 13.91. HRMS (ESI-TOF): Anal. Calcd. ForC15H18ClN3O3+H+: 324.1109, Found: 324.1104; IR (neat, cm-1): υ 2987.72,1736.64, 1519.33, 1251.20, 1221.76, 1126.54, 1109.81, 838.83。
实施例三十四
反应瓶中依次装入化合物1a (0.2 mmol, 45.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3g (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物6f,收率为52%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.40 – 7.30 (m, 2H), 7.04 – 6.89 (m, 2H),4.36 (q, J = 8.0 Hz, 2H), 3.91 – 3.81 (m, 5H), 3.39 (s, 3H), 3.12 (t, J = 7.0Hz, 2H), 1.33 (t, J = 8.0 Hz, 3H). 13C NMR (101 MHz, CDCl3) δ 161.68, 160.23,157.35, 144.91, 130.77, 126.96, 113.89, 70.35, 62.48, 58.61, 55.51, 28.80,13.98. HRMS (ESI-TOF): Anal. Calcd. For C15H19N3O4+H+: 306.1448, Found:306.1459; IR (neat, cm-1): υ 2918.89, 1732.21, 1520.34, 1251.13, 1235.39,1109.39, 1033.58, 832.50。
实施例三十五
反应瓶中依次装入化合物1a (0.2 mmol, 45.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3h (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物6g,收率为85%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.43 – 7.29 (m, 2H), 7.07 – 6.89 (m, 2H),6.11 (m, 1H), 5.37 – 5.06 (m, 2H), 4.36 (q, J = 8.0 Hz, 2H), 3.86 (s, 3H),3.62 (dt, J = 6.7, 1.3 Hz, 2H), 1.33 (t, J = 8.0 Hz, 3H).13C NMR (101 MHz,CDCl3) δ 162.56, 160.23, 157.32, 144.92, 133.27, 130.72, 126.94, 117.52,113.89, 62.46, 55.48, 32.84, 13.96. HRMS (ESI-TOF): Anal. Calcd. For C15H17N3O3+H+: 288.1343, Found: 288.1337; IR (neat, cm-1): υ 2928.33, 1731.60, 1250.04,1305.39, 1259.80, 1223.27, 1110.08, 853.01。
实施例三十六
反应瓶中依次装入化合物1a (0.2 mmol, 45.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3i (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物6h,收率为66%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.39 – 7.32 (m, 2H), 7.01 – 6.95 (m, 2H),6.95 – 6.87 (m, 1H), 6.45 (m, 1H), 4.36 (q, J = 8.0 Hz, 2H), 3.85 (s, 3H),1.93 (dd, J = 6.8, 1.7 Hz, 3H), 1.33 (t, J = 8.0 Hz, 3H). 13C NMR (101 MHz,CDCl3) δ 161.10, 160.19, 157.40, 144.76, 134.04, 130.79, 126.89, 119.68,113.88, 62.43, 55.46, 18.27, 13.91. HRMS (ESI-TOF): Anal. Calcd. For C15H17N3O3+H+: 288.1343, Found: 288.1343; IR (neat, cm-1): υ 2924.92, 1729.18, 1517.26,1249.18, 1226.36, 1124.60, 1023.60, 839.14。
实施例三十七
反应瓶中依次装入化合物1a (0.2 mmol, 45.8 mg),CuBr (0.04 mmol, 5.8mg), Li2CO3 (14.8 mmol,),化合物3j (0.5mL), 化合物2a(0.6 mmol, 72.1 mg)。然后该体系在空气中40℃条件下磁力搅拌反应1小时后,用乙酸乙酯淬灭,用旋转蒸发仪除去溶剂、硅胶吸附,通过简单的柱层析即可得产物6i,收率为71%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.77 (d, J = 16.4 Hz, 1H), 7.61 – 7.51 (m,2H), 7.44 – 7.27 (m, 5H), 7.13 (d, J = 16.4 Hz, 1H), 7.03 – 6.96 (m, 2H),4.39 (q, J = 8.0 Hz, 2H), 3.86 (s, 3H), 1.35 (t, J = 8.0 Hz, 3H). 13C NMR (101MHz, CDCl3) δ 161.17, 160.30, 157.33, 145.05, 135.98, 135.45, 130.75, 128.69,128.63, 126.99, 126.90, 116.38, 113.96, 62.60, 55.50, 13.96. HRMS (ESI-TOF):Anal. Calcd. For C20H19N3O3+H+: 350.1499, Found: 350.1497; IR (neat, cm-1): υ2956.80, 1732.75, 1516.56, 1247.58, 1218.95, 1134.13, 761.85, 658.87。
Claims (4)
1.一种1,2,4-三氮唑的制备方法,其特征在于,包括以下步骤,以氟硼酸芳基重氮盐、重氮酯衍生物和有机腈为反应底物,以溴化亚铜为催化剂,以碳酸锂为添加剂,通过环化反应制备得到1,2,4-三氮唑;
其中,所述氟硼酸芳基重氮盐的化学结构通式为,式中,Ar选自未取代芳基、单取代芳基;所述未取代芳基为苯基;所述单取代芳基的化学结构式如下:
R1选自氢、甲基、异丙基、叔丁基、苯基、甲氧基、氟、氯、溴、三氟甲基或者三氟甲氧基;
所述重氮酯衍生物的结构式如下:
式中,R2选自乙基、异丙基、叔丁基、环己基、苯基或者苄基;
所述有机腈的化学结构式如下:
式中,R3选自甲基、异丙基、叔丁基或者苄基;
所述1,2,4-三氮唑的化学结构式如下:
R4为如下结构式的基团:
R5为如下结构式的基团:
。
2.根据权利要求1所述1,2,4-三氮唑的制备方法,其特征在于:所述环化反应的反应温度为40℃,反应时间为1小时;所述环化反应在空气中进行。
3.根据权利要求1所述1,2,4-三氮唑的制备方法,其特征在于:所述催化剂用量为氟硼酸芳基重氮盐摩尔量的20%;所述添加剂用量为氟硼酸芳基重氮盐摩尔量的1倍。
4.根据权利要求1所述1,2,4-三氮唑的制备方法,其特征在于:有机腈的用量为氟硼酸芳基重氮盐摩尔量的20~50倍;所述重氮酯衍生物为氟硼酸芳基重氮盐摩尔量的3倍。
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