JP2006509786A - Substituted 1H-pyridin-2-one derivatives - Google Patents
Substituted 1H-pyridin-2-one derivatives Download PDFInfo
- Publication number
- JP2006509786A JP2006509786A JP2004556961A JP2004556961A JP2006509786A JP 2006509786 A JP2006509786 A JP 2006509786A JP 2004556961 A JP2004556961 A JP 2004556961A JP 2004556961 A JP2004556961 A JP 2004556961A JP 2006509786 A JP2006509786 A JP 2006509786A
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- JP
- Japan
- Prior art keywords
- compound
- amino
- cyclohexyl
- pyridin
- phenyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- UBQKCCHYAOITMY-UHFFFAOYSA-N pyridin-2-ol Chemical class OC1=CC=CC=N1 UBQKCCHYAOITMY-UHFFFAOYSA-N 0.000 title abstract description 4
- 208000006545 Chronic Obstructive Pulmonary Disease Diseases 0.000 claims abstract description 21
- 150000003839 salts Chemical class 0.000 claims abstract description 13
- 101100296720 Dictyostelium discoideum Pde4 gene Proteins 0.000 claims abstract 2
- 101100082610 Plasmodium falciparum (isolate 3D7) PDEdelta gene Proteins 0.000 claims abstract 2
- 150000001875 compounds Chemical class 0.000 claims description 158
- -1 (1-amino-4-imidazol-1-yl-6-oxo-1,6-dihydropyridin-2-yl) -cyclohexane-carboxylic acid Chemical compound 0.000 claims description 56
- RAXXELZNTBOGNW-UHFFFAOYSA-N 1H-imidazole Chemical compound C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 21
- 125000003118 aryl group Chemical group 0.000 claims description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 239000002587 phosphodiesterase IV inhibitor Substances 0.000 claims description 15
- 229940123932 Phosphodiesterase 4 inhibitor Drugs 0.000 claims description 14
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 14
- XLSZMDLNRCVEIJ-UHFFFAOYSA-N 4-methylimidazole Chemical compound CC1=CNC=N1 XLSZMDLNRCVEIJ-UHFFFAOYSA-N 0.000 claims description 13
- 125000005842 heteroatom Chemical group 0.000 claims description 13
- 102000011017 Type 4 Cyclic Nucleotide Phosphodiesterases Human genes 0.000 claims description 12
- 108010037584 Type 4 Cyclic Nucleotide Phosphodiesterases Proteins 0.000 claims description 12
- MSYGAHOHLUJIKV-UHFFFAOYSA-N 3,5-dimethyl-1-(3-nitrophenyl)-1h-pyrazole-4-carboxylic acid ethyl ester Chemical compound CC1=C(C(=O)OCC)C(C)=NN1C1=CC=CC([N+]([O-])=O)=C1 MSYGAHOHLUJIKV-UHFFFAOYSA-N 0.000 claims description 11
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 150000002367 halogens Chemical group 0.000 claims description 11
- LNQOXCWFAGWJCT-UHFFFAOYSA-N 1-amino-6-(3,4-dimethoxyphenyl)-4-phenylpyridin-2-one Chemical compound C1=C(OC)C(OC)=CC=C1C1=CC(C=2C=CC=CC=2)=CC(=O)N1N LNQOXCWFAGWJCT-UHFFFAOYSA-N 0.000 claims description 9
- QEZNPZWIPSASCN-UHFFFAOYSA-N 1-amino-6-(3-methoxyphenyl)-4-phenylpyridin-2-one Chemical compound COC1=CC=CC(C=2N(C(=O)C=C(C=2)C=2C=CC=CC=2)N)=C1 QEZNPZWIPSASCN-UHFFFAOYSA-N 0.000 claims description 9
- CNYUXXGTNXJMGR-UHFFFAOYSA-N 1-amino-6-(4-fluorophenyl)-4-phenylpyridin-2-one Chemical compound C=1C(=O)N(N)C(C=2C=CC(F)=CC=2)=CC=1C1=CC=CC=C1 CNYUXXGTNXJMGR-UHFFFAOYSA-N 0.000 claims description 9
- 125000006828 (C2-C7) alkoxycarbonyl group Chemical group 0.000 claims description 8
- 125000006773 (C2-C7) alkylcarbonyl group Chemical group 0.000 claims description 8
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims description 8
- XHLKOHSAWQPOFO-UHFFFAOYSA-N 5-phenyl-1h-imidazole Chemical compound N1C=NC=C1C1=CC=CC=C1 XHLKOHSAWQPOFO-UHFFFAOYSA-N 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 8
- PIILWAQSFMATRC-UHFFFAOYSA-N 1-amino-6-cyclohexyl-3-methyl-4-phenylpyridin-2-one Chemical compound NN1C(=O)C(C)=C(C=2C=CC=CC=2)C=C1C1CCCCC1 PIILWAQSFMATRC-UHFFFAOYSA-N 0.000 claims description 7
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 229920006395 saturated elastomer Polymers 0.000 claims description 7
- URMDKBVLQIUGJJ-UHFFFAOYSA-N 4-(1-amino-6-oxo-4-phenylpyridin-2-yl)benzoic acid Chemical compound C=1C(=O)N(N)C(C=2C=CC(=CC=2)C(O)=O)=CC=1C1=CC=CC=C1 URMDKBVLQIUGJJ-UHFFFAOYSA-N 0.000 claims description 6
- 125000000623 heterocyclic group Chemical group 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- SZFFGHUMOCBVEJ-UHFFFAOYSA-N 1-amino-4-(4-fluorophenyl)-6-phenylpyridin-2-one Chemical compound C=1C(=O)N(N)C(C=2C=CC=CC=2)=CC=1C1=CC=C(F)C=C1 SZFFGHUMOCBVEJ-UHFFFAOYSA-N 0.000 claims description 5
- YRMWSOOKSJLKAU-UHFFFAOYSA-N 1-amino-6-(2-methoxyphenyl)-4-phenylpyridin-2-one Chemical compound COC1=CC=CC=C1C1=CC(C=2C=CC=CC=2)=CC(=O)N1N YRMWSOOKSJLKAU-UHFFFAOYSA-N 0.000 claims description 5
- TYOLVMPTYSVWIR-UHFFFAOYSA-N 1-amino-6-cyclohexyl-4-(triazol-1-yl)pyridin-2-one Chemical compound C=1C(=O)N(N)C(C2CCCCC2)=CC=1N1C=CN=N1 TYOLVMPTYSVWIR-UHFFFAOYSA-N 0.000 claims description 5
- LEKHCVGIJNKQTA-UHFFFAOYSA-N 1-amino-6-cyclohexyl-4-imidazol-1-ylpyridin-2-one Chemical compound C=1C(=O)N(N)C(C2CCCCC2)=CC=1N1C=CN=C1 LEKHCVGIJNKQTA-UHFFFAOYSA-N 0.000 claims description 5
- RWXWYOHQKLISHH-UHFFFAOYSA-N 1-amino-6-cyclohexyl-4-pyrazol-1-ylpyridin-2-one Chemical compound C=1C(=O)N(N)C(C2CCCCC2)=CC=1N1C=CC=N1 RWXWYOHQKLISHH-UHFFFAOYSA-N 0.000 claims description 5
- QQBYJUGIDFWSPV-UHFFFAOYSA-N 1-amino-6-cyclohexyl-5-methyl-4-phenylpyridin-2-one Chemical compound CC=1C(C=2C=CC=CC=2)=CC(=O)N(N)C=1C1CCCCC1 QQBYJUGIDFWSPV-UHFFFAOYSA-N 0.000 claims description 5
- DESWUUBAYKGMKT-UHFFFAOYSA-N 1-amino-6-cyclopentyl-4-phenylpyridin-2-one Chemical compound C=1C(=O)N(N)C(C2CCCC2)=CC=1C1=CC=CC=C1 DESWUUBAYKGMKT-UHFFFAOYSA-N 0.000 claims description 5
- 239000003112 inhibitor Substances 0.000 claims description 5
- 125000004916 (C1-C6) alkylcarbonyl group Chemical group 0.000 claims description 4
- NUUNENZAGTYOEK-UHFFFAOYSA-N 1-(1-amino-2-cyclohexyl-6-oxopyridin-4-yl)imidazole-4-carboxamide Chemical compound C1=NC(C(=O)N)=CN1C1=CC(=O)N(N)C(C2CCCCC2)=C1 NUUNENZAGTYOEK-UHFFFAOYSA-N 0.000 claims description 4
- YHOWNSAGTGKYJO-UHFFFAOYSA-N 1-(methylamino)-4,6-diphenylpyridin-2-one Chemical compound C=1C(=O)N(NC)C(C=2C=CC=CC=2)=CC=1C1=CC=CC=C1 YHOWNSAGTGKYJO-UHFFFAOYSA-N 0.000 claims description 4
- SJVNXNHDBTZNHE-UHFFFAOYSA-N 1-amino-4,6-dicyclohexylpyridin-2-one Chemical compound C=1C(=O)N(N)C(C2CCCCC2)=CC=1C1CCCCC1 SJVNXNHDBTZNHE-UHFFFAOYSA-N 0.000 claims description 4
- UDOSECAPEOCSNU-UHFFFAOYSA-N 1-amino-4-cyclopentyl-6-phenylpyridin-2-one Chemical compound C=1C(=O)N(N)C(C=2C=CC=CC=2)=CC=1C1CCCC1 UDOSECAPEOCSNU-UHFFFAOYSA-N 0.000 claims description 4
- MGPJZHZPVUFVNZ-UHFFFAOYSA-N 1-amino-4-imidazol-1-yl-6-(4-methoxycyclohexyl)pyridin-2-one Chemical compound C1CC(OC)CCC1C1=CC(N2C=NC=C2)=CC(=O)N1N MGPJZHZPVUFVNZ-UHFFFAOYSA-N 0.000 claims description 4
- TVQSYYMERSCMML-UHFFFAOYSA-N 1-amino-6-cycloheptyl-4-imidazol-1-ylpyridin-2-one Chemical compound C=1C(=O)N(N)C(C2CCCCCC2)=CC=1N1C=CN=C1 TVQSYYMERSCMML-UHFFFAOYSA-N 0.000 claims description 4
- RHIVVGIMOGWWEW-UHFFFAOYSA-N 1-amino-6-cyclohexyl-4-[4-(trifluoromethyl)imidazol-1-yl]pyridin-2-one Chemical compound C=1C(=O)N(N)C(C2CCCCC2)=CC=1N1C=NC(C(F)(F)F)=C1 RHIVVGIMOGWWEW-UHFFFAOYSA-N 0.000 claims description 4
- AOKLJMALFSAJCU-UHFFFAOYSA-N 1-amino-6-cyclopropyl-4-phenylpyridin-2-one Chemical compound C=1C(=O)N(N)C(C2CC2)=CC=1C1=CC=CC=C1 AOKLJMALFSAJCU-UHFFFAOYSA-N 0.000 claims description 4
- IVOFIUFYQVRTOH-UHFFFAOYSA-N 3-(1-amino-2-cyclohexyl-6-oxopyridin-4-yl)benzonitrile Chemical compound C=1C(=O)N(N)C(C2CCCCC2)=CC=1C1=CC=CC(C#N)=C1 IVOFIUFYQVRTOH-UHFFFAOYSA-N 0.000 claims description 4
- RTVJXXKAFMXFSB-UHFFFAOYSA-N 4-(1-amino-2-cyclohexyl-6-oxopyridin-4-yl)benzamide Chemical compound C1=CC(C(=O)N)=CC=C1C1=CC(=O)N(N)C(C2CCCCC2)=C1 RTVJXXKAFMXFSB-UHFFFAOYSA-N 0.000 claims description 4
- JSZRBVVWPPKWOS-UHFFFAOYSA-N 4-(1-amino-2-oxo-6-phenylpyridin-4-yl)benzoic acid Chemical compound C=1C(=O)N(N)C(C=2C=CC=CC=2)=CC=1C1=CC=C(C(O)=O)C=C1 JSZRBVVWPPKWOS-UHFFFAOYSA-N 0.000 claims description 4
- YBMDVRLGRWYAPK-UHFFFAOYSA-N 4-(1-amino-6-oxo-4-phenylpyridin-2-yl)benzonitrile Chemical compound C=1C(=O)N(N)C(C=2C=CC(=CC=2)C#N)=CC=1C1=CC=CC=C1 YBMDVRLGRWYAPK-UHFFFAOYSA-N 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 claims description 4
- 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 4
- TUUHBBQGEAZETR-UHFFFAOYSA-N methyl 1-(1-amino-2-cyclohexyl-6-oxopyridin-4-yl)imidazole-4-carboxylate Chemical compound C1=NC(C(=O)OC)=CN1C1=CC(=O)N(N)C(C2CCCCC2)=C1 TUUHBBQGEAZETR-UHFFFAOYSA-N 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- GBXQPDCOMJJCMJ-UHFFFAOYSA-M trimethyl-[6-(trimethylazaniumyl)hexyl]azanium;bromide Chemical compound [Br-].C[N+](C)(C)CCCCCC[N+](C)(C)C GBXQPDCOMJJCMJ-UHFFFAOYSA-M 0.000 claims description 4
- ASGMFNBUXDJWJJ-JLCFBVMHSA-N (1R,3R)-3-[[3-bromo-1-[4-(5-methyl-1,3,4-thiadiazol-2-yl)phenyl]pyrazolo[3,4-d]pyrimidin-6-yl]amino]-N,1-dimethylcyclopentane-1-carboxamide Chemical compound BrC1=NN(C2=NC(=NC=C21)N[C@H]1C[C@@](CC1)(C(=O)NC)C)C1=CC=C(C=C1)C=1SC(=NN=1)C ASGMFNBUXDJWJJ-JLCFBVMHSA-N 0.000 claims description 3
- UAOUIVVJBYDFKD-XKCDOFEDSA-N (1R,9R,10S,11R,12R,15S,18S,21R)-10,11,21-trihydroxy-8,8-dimethyl-14-methylidene-4-(prop-2-enylamino)-20-oxa-5-thia-3-azahexacyclo[9.7.2.112,15.01,9.02,6.012,18]henicosa-2(6),3-dien-13-one Chemical compound C([C@@H]1[C@@H](O)[C@@]23C(C1=C)=O)C[C@H]2[C@]12C(N=C(NCC=C)S4)=C4CC(C)(C)[C@H]1[C@H](O)[C@]3(O)OC2 UAOUIVVJBYDFKD-XKCDOFEDSA-N 0.000 claims description 3
- AOSZTAHDEDLTLQ-AZKQZHLXSA-N (1S,2S,4R,8S,9S,11S,12R,13S,19S)-6-[(3-chlorophenyl)methyl]-12,19-difluoro-11-hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-6-azapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one Chemical compound C([C@@H]1C[C@H]2[C@H]3[C@]([C@]4(C=CC(=O)C=C4[C@@H](F)C3)C)(F)[C@@H](O)C[C@@]2([C@@]1(C1)C(=O)CO)C)N1CC1=CC=CC(Cl)=C1 AOSZTAHDEDLTLQ-AZKQZHLXSA-N 0.000 claims description 3
- ABJSOROVZZKJGI-OCYUSGCXSA-N (1r,2r,4r)-2-(4-bromophenyl)-n-[(4-chlorophenyl)-(2-fluoropyridin-4-yl)methyl]-4-morpholin-4-ylcyclohexane-1-carboxamide Chemical compound C1=NC(F)=CC(C(NC(=O)[C@H]2[C@@H](C[C@@H](CC2)N2CCOCC2)C=2C=CC(Br)=CC=2)C=2C=CC(Cl)=CC=2)=C1 ABJSOROVZZKJGI-OCYUSGCXSA-N 0.000 claims description 3
- GLGNXYJARSMNGJ-VKTIVEEGSA-N (1s,2s,3r,4r)-3-[[5-chloro-2-[(1-ethyl-6-methoxy-2-oxo-4,5-dihydro-3h-1-benzazepin-7-yl)amino]pyrimidin-4-yl]amino]bicyclo[2.2.1]hept-5-ene-2-carboxamide Chemical compound CCN1C(=O)CCCC2=C(OC)C(NC=3N=C(C(=CN=3)Cl)N[C@H]3[C@H]([C@@]4([H])C[C@@]3(C=C4)[H])C(N)=O)=CC=C21 GLGNXYJARSMNGJ-VKTIVEEGSA-N 0.000 claims description 3
- SZUVGFMDDVSKSI-WIFOCOSTSA-N (1s,2s,3s,5r)-1-(carboxymethyl)-3,5-bis[(4-phenoxyphenyl)methyl-propylcarbamoyl]cyclopentane-1,2-dicarboxylic acid Chemical compound O=C([C@@H]1[C@@H]([C@](CC(O)=O)([C@H](C(=O)N(CCC)CC=2C=CC(OC=3C=CC=CC=3)=CC=2)C1)C(O)=O)C(O)=O)N(CCC)CC(C=C1)=CC=C1OC1=CC=CC=C1 SZUVGFMDDVSKSI-WIFOCOSTSA-N 0.000 claims description 3
- GHYOCDFICYLMRF-UTIIJYGPSA-N (2S,3R)-N-[(2S)-3-(cyclopenten-1-yl)-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]-3-hydroxy-3-(4-methoxyphenyl)-2-[[(2S)-2-[(2-morpholin-4-ylacetyl)amino]propanoyl]amino]propanamide Chemical compound C1(=CCCC1)C[C@@H](C(=O)[C@@]1(OC1)C)NC([C@H]([C@@H](C1=CC=C(C=C1)OC)O)NC([C@H](C)NC(CN1CCOCC1)=O)=O)=O GHYOCDFICYLMRF-UTIIJYGPSA-N 0.000 claims description 3
- IUSARDYWEPUTPN-OZBXUNDUSA-N (2r)-n-[(2s,3r)-4-[[(4s)-6-(2,2-dimethylpropyl)spiro[3,4-dihydropyrano[2,3-b]pyridine-2,1'-cyclobutane]-4-yl]amino]-3-hydroxy-1-[3-(1,3-thiazol-2-yl)phenyl]butan-2-yl]-2-methoxypropanamide Chemical compound C([C@H](NC(=O)[C@@H](C)OC)[C@H](O)CN[C@@H]1C2=CC(CC(C)(C)C)=CN=C2OC2(CCC2)C1)C(C=1)=CC=CC=1C1=NC=CS1 IUSARDYWEPUTPN-OZBXUNDUSA-N 0.000 claims description 3
- YJLIKUSWRSEPSM-WGQQHEPDSA-N (2r,3r,4s,5r)-2-[6-amino-8-[(4-phenylphenyl)methylamino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound C=1C=C(C=2C=CC=CC=2)C=CC=1CNC1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O YJLIKUSWRSEPSM-WGQQHEPDSA-N 0.000 claims description 3
- VIJSPAIQWVPKQZ-BLECARSGSA-N (2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-acetamido-5-(diaminomethylideneamino)pentanoyl]amino]-4-methylpentanoyl]amino]-4,4-dimethylpentanoyl]amino]-4-methylpentanoyl]amino]propanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid Chemical compound NC(=N)NCCC[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)(C)C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCNC(N)=N)NC(C)=O VIJSPAIQWVPKQZ-BLECARSGSA-N 0.000 claims description 3
- ITOFPJRDSCGOSA-KZLRUDJFSA-N (2s)-2-[[(4r)-4-[(3r,5r,8r,9s,10s,13r,14s,17r)-3-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-17-yl]pentanoyl]amino]-3-(1h-indol-3-yl)propanoic acid Chemical compound C([C@H]1CC2)[C@H](O)CC[C@]1(C)[C@@H](CC[C@]13C)[C@@H]2[C@@H]3CC[C@@H]1[C@H](C)CCC(=O)N[C@H](C(O)=O)CC1=CNC2=CC=CC=C12 ITOFPJRDSCGOSA-KZLRUDJFSA-N 0.000 claims description 3
- WWTBZEKOSBFBEM-SPWPXUSOSA-N (2s)-2-[[2-benzyl-3-[hydroxy-[(1r)-2-phenyl-1-(phenylmethoxycarbonylamino)ethyl]phosphoryl]propanoyl]amino]-3-(1h-indol-3-yl)propanoic acid Chemical compound N([C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)O)C(=O)C(CP(O)(=O)[C@H](CC=1C=CC=CC=1)NC(=O)OCC=1C=CC=CC=1)CC1=CC=CC=C1 WWTBZEKOSBFBEM-SPWPXUSOSA-N 0.000 claims description 3
- STBLNCCBQMHSRC-BATDWUPUSA-N (2s)-n-[(3s,4s)-5-acetyl-7-cyano-4-methyl-1-[(2-methylnaphthalen-1-yl)methyl]-2-oxo-3,4-dihydro-1,5-benzodiazepin-3-yl]-2-(methylamino)propanamide Chemical compound O=C1[C@@H](NC(=O)[C@H](C)NC)[C@H](C)N(C(C)=O)C2=CC(C#N)=CC=C2N1CC1=C(C)C=CC2=CC=CC=C12 STBLNCCBQMHSRC-BATDWUPUSA-N 0.000 claims description 3
- QFLWZFQWSBQYPS-AWRAUJHKSA-N (3S)-3-[[(2S)-2-[[(2S)-2-[5-[(3aS,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-[1-bis(4-chlorophenoxy)phosphorylbutylamino]-4-oxobutanoic acid Chemical compound CCCC(NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H](NC(=O)CCCCC1SC[C@@H]2NC(=O)N[C@H]12)C(C)C)P(=O)(Oc1ccc(Cl)cc1)Oc1ccc(Cl)cc1 QFLWZFQWSBQYPS-AWRAUJHKSA-N 0.000 claims description 3
- IWZSHWBGHQBIML-ZGGLMWTQSA-N (3S,8S,10R,13S,14S,17S)-17-isoquinolin-7-yl-N,N,10,13-tetramethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-amine Chemical compound CN(C)[C@H]1CC[C@]2(C)C3CC[C@@]4(C)[C@@H](CC[C@@H]4c4ccc5ccncc5c4)[C@@H]3CC=C2C1 IWZSHWBGHQBIML-ZGGLMWTQSA-N 0.000 claims description 3
- UDQTXCHQKHIQMH-KYGLGHNPSA-N (3ar,5s,6s,7r,7ar)-5-(difluoromethyl)-2-(ethylamino)-5,6,7,7a-tetrahydro-3ah-pyrano[3,2-d][1,3]thiazole-6,7-diol Chemical compound S1C(NCC)=N[C@H]2[C@@H]1O[C@H](C(F)F)[C@@H](O)[C@@H]2O UDQTXCHQKHIQMH-KYGLGHNPSA-N 0.000 claims description 3
- HUWSZNZAROKDRZ-RRLWZMAJSA-N (3r,4r)-3-azaniumyl-5-[[(2s,3r)-1-[(2s)-2,3-dicarboxypyrrolidin-1-yl]-3-methyl-1-oxopentan-2-yl]amino]-5-oxo-4-sulfanylpentane-1-sulfonate Chemical compound OS(=O)(=O)CC[C@@H](N)[C@@H](S)C(=O)N[C@@H]([C@H](C)CC)C(=O)N1CCC(C(O)=O)[C@H]1C(O)=O HUWSZNZAROKDRZ-RRLWZMAJSA-N 0.000 claims description 3
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- YQOLEILXOBUDMU-KRWDZBQOSA-N (4R)-5-[(6-bromo-3-methyl-2-pyrrolidin-1-ylquinoline-4-carbonyl)amino]-4-(2-chlorophenyl)pentanoic acid Chemical compound CC1=C(C2=C(C=CC(=C2)Br)N=C1N3CCCC3)C(=O)NC[C@H](CCC(=O)O)C4=CC=CC=C4Cl YQOLEILXOBUDMU-KRWDZBQOSA-N 0.000 claims description 3
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/64—One oxygen atom attached in position 2 or 6
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
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Abstract
本発明は慢性閉塞性肺疾患、喘息、慢性気管支炎、乾癬、潰瘍性大腸炎、クローン病(局所性回腸炎)、動脈硬化症、リウマチ性関節炎、骨粗鬆症、骨関節炎、鬱病、記憶喪失症、慢性の壊死により媒介される炎症、及びPDE4によって媒介される他の疾患の治療に有用な式(1)の置換された1H−ピリジン−2−オン誘導体またはその薬剤学的に許容しうる塩に関する。
【化1】
The present invention relates to chronic obstructive pulmonary disease, asthma, chronic bronchitis, psoriasis, ulcerative colitis, Crohn's disease (local ileitis), arteriosclerosis, rheumatoid arthritis, osteoporosis, osteoarthritis, depression, memory loss, A substituted 1H-pyridin-2-one derivative of formula (1) or a pharmaceutically acceptable salt thereof useful for the treatment of inflammation mediated by chronic necrosis and other diseases mediated by PDE4 .
[Chemical 1]
Description
技術分野
本発明は新規化合物、例えば、多様なアレルギー性または炎症性疾患、特に、ホスホジエステラーゼ−4抑制剤を主要な治療薬として用いる疾患を治療する医薬の製造に有用な新規化合物、即ち、置換された1H−ピリジン−2−オン誘導体に関する。前記医薬は、特に、消炎剤、抗アレルギー剤、気管支拡張剤、抗喘息剤またはTNF−α抑制剤として有用である。
TECHNICAL FIELD The present invention relates to novel compounds, such as novel compounds useful for the manufacture of medicaments for treating a variety of allergic or inflammatory diseases, in particular diseases using phosphodiesterase-4 inhibitors as primary therapeutic agents. And 1H-pyridin-2-one derivatives. The medicament is particularly useful as an anti-inflammatory agent, antiallergic agent, bronchodilator, antiasthma agent or TNF-α inhibitor.
背景技術
環状アデノシン3',5'−モノホスフェート(cAMP)は細胞内で第2伝達者として行動し、ホルモン、神経伝達物質またはオータコイドなどの数多くの異なる第1シグナルに細胞性レスポンスを媒介する。数多くの第1シグナルは、cAMPの合成に関与する酵素を通じてそれらの効果を出しており、生じたcAMPレベルの増加は各種細胞の著しく異なる効力(例えば、代謝、筋肉収縮または細胞性物質の分泌)を生み出す。cAMPに対する実際の細胞性レスポンスは異なる細胞型の間で変わる。
BACKGROUND ART Cyclic adenosine 3 ′, 5′-monophosphate (cAMP) acts as a second transmitter in cells and mediates cellular responses to a number of different first signals such as hormones, neurotransmitters or autocoids. Numerous first signals exert their effects through enzymes involved in cAMP synthesis, and the resulting increase in cAMP levels is markedly different in the potency of various cells (eg metabolism, muscle contraction or secretion of cellular substances). Produce. The actual cellular response to cAMP varies between different cell types.
cAMPレベルの調節の別のポイントは、アデノシン5'−モノホスフェートへのcAMPの加水分解である。その加水分解反応は環状ヌクレオチドホスホジエステラーゼ(PDE)によって触媒され、そして、cAMPのメッセンジャーとしての役割の終結をもたらす。 Another point of regulation of cAMP levels is the hydrolysis of cAMP to adenosine 5′-monophosphate. The hydrolysis reaction is catalyzed by cyclic nucleotide phosphodiesterase (PDE) and results in termination of its role as a messenger for cAMP.
今までで、11種のPDEが哺乳動物の細胞)から確認され(PDE1〜11として命名)、それらは、cAMPまたはcGMPの加水分解への特異性、構造、動的挙動、カルシウム、カルモジュリンまたはcGMPによる調節に対する感受性、及び様々な化合物による選択的阻害に従って、相当する種に分類された (文献参照;Beavo J. A. et al (1990) Trends Pharmacol. Sci., 150-155; Beavo J. A. et al (1994) Molecular Pharmacol., 399-405)。その中で、PDE4はcGMP−特異アイソザイムの一つであり、その機能がロリプラム(Rolipram)によって抑制されることが示された。 To date, 11 PDEs have been identified from mammalian cells) (named as PDE 1-11), which are specific to cAMP or cGMP hydrolysis, structure, dynamic behavior, calcium, calmodulin or cGMP. Classified into the corresponding species according to their sensitivity to modulation by and selective inhibition by various compounds (see literature; Beavo JA et al (1990) Trends Pharmacol. Sci., 150-155; Beavo JA et al (1994) Molecular Pharmacol., 399-405). Among them, PDE4 is one of cGMP-specific isozymes, and its function was shown to be suppressed by rolipram.
特異的PDE抑制剤化合物だけでなく非特異的PDE抑制剤化合物も知られている。テオフィリンなどの特定メチルキサンチンの場合でのように非特異的PDE抑制剤はは標的細胞に存在するPDEに作用するだけでなく他の細胞のPDEに対しても作用を示し、その結果、低い治療指数をもたらしている。 Not only specific PDE inhibitor compounds but also non-specific PDE inhibitor compounds are known. As in the case of certain methylxanthines such as theophylline, non-specific PDE inhibitors not only act on PDEs present in target cells, but also on PDEs in other cells, resulting in low treatment Has brought an index.
一方、特異的抑制剤は選択的に作用し、そして、あるPDEの種は多様な抑制剤によって選択的に抑制される。そのため、環状ヌクレオチドの加水分解は、ある抑制剤に敏感なPDE種が存在する細胞だけで弱められ、それによってcAMPの細胞内濃度が増加する。 On the other hand, specific inhibitors act selectively, and certain PDE species are selectively inhibited by various inhibitors. Therefore, cyclic nucleotide hydrolysis is attenuated only in cells where PDE species sensitive to certain inhibitors are present, thereby increasing the intracellular concentration of cAMP.
ホスホジエステラーゼ4(PDE4)の特定の有利な特性は、中枢神経系、心臓、血管内皮、及び血管、空気通路、骨髄腺並びにリンパ腺の平滑筋を含む多くの異なったタイプの組織で知られている。 Certain advantageous properties of phosphodiesterase 4 (PDE4) are known in many different types of tissues including the central nervous system, heart, vascular endothelium, and smooth muscle of blood vessels, air passages, bone marrow and lymph glands .
炎症細胞での増加したcAMPレベルは細胞活性の抑制をもたらす:肥満細胞、単核細胞、多形核好酸球及び好塩基球内の多くの細胞内物質の合成及び分泌の抑制、多形核好中球及び好酸球の化学走性及び脱顆粒の抑制、リンパ球の増殖及び分化の抑制。 Increased cAMP levels in inflammatory cells lead to inhibition of cellular activity: inhibition of synthesis and secretion of many intracellular substances in mast cells, mononuclear cells, polymorphonuclear eosinophils and basophils, polymorphonuclear Inhibition of neutrophil and eosinophil chemotaxis and degranulation, inhibition of lymphocyte proliferation and differentiation.
T−リンパ球及び多形核好酸球のような様々な種類の白血球により作られるサイトカイン、特にTNF(腫瘍壊死因子)及びインターロイキンは細胞で炎症症状の誘発、特に呼吸器経路のアレルギー抗原によって誘発される過敏性反応に重要な役割を果たす。 Cytokines made by various types of leukocytes such as T-lymphocytes and polymorphonuclear eosinophils, especially TNF (tumor necrosis factor) and interleukins, induce inflammatory symptoms in cells, especially by allergic antigens of the respiratory pathway It plays an important role in the induced hypersensitivity reaction.
さらに、気道の細胞に取り込まれたcAMPは気道平滑筋の収縮を引き起こし、PDE4抑制剤はそのように収縮された気管支の弛緩を引き起こす。
慢性閉塞性肺疾患(COPD)は徐々に発病する慢性疾患であり、慢性的に気道を閉塞する肺の構造の異常(呼吸器経路の炎症性反応の過剰及び好中球個数の増加と関連する)を特徴とする。COPDの幾つかの病状は気管支拡張剤を用いて和らげることができるが、肺の損傷はたいていの場合、半永久的である。
Moreover, cAMP taken up by airway cells causes airway smooth muscle contraction and PDE4 inhibitors cause relaxation of the so contracted bronchi.
Chronic obstructive pulmonary disease (COPD) is a chronic disease that begins gradually and is associated with abnormalities in the structure of the lung that chronically obstructs the airways (excessive inflammatory responses in the respiratory tract and increased neutrophil count) ). Although some conditions of COPD can be relieved with bronchodilators, lung damage is almost always permanent.
COPDの臨床症状は肺疾患の深度によって、回復ことができる単純な気管支炎から慢性呼吸不全のような回復されない症状まで多様である。一般に、COPDと関連を持っている2つの主要な明確な疾患は、気腫および/または慢性気管支炎である(気道の過剰炎症性反応及び好中球個数の増加と関連する)。 The clinical symptoms of COPD vary from simple bronchitis that can be recovered to irreversible symptoms such as chronic respiratory failure, depending on the depth of lung disease. In general, the two major definite diseases associated with COPD are emphysema and / or chronic bronchitis (associated with hyperinflammatory responses in the airways and increased neutrophil count).
現在、COPDは米国で45才以上の人々の第4番目の主要な死因であり、その数は世界的に増加している。それはまた、中国及び東南アジアのように男性喫煙率の高い国では今後10年内にCOPDに苦しむ患者が3倍増加するものと推定されている。さらに、韓国も若い世代の世界で最も高い喫煙率を考慮すれば例外ではなく、かなりの長期間にわたってCOPDの有病率が増加するものと予期される。しかし、関連するその多くの重大問題にもかかわらず、COPDに対する発病メカニズムを理解するための研究はまだ進行中であり、まだ、療法が見つかっていない。したがって、その治療は主に徴候を軽減させるか、その進行を遅らせることに集中している。現在、疾患管理を手助けできる治療は、禁煙または気管支弛緩剤及び抗炎症剤のような薬物を用いる治療、または、病態の進行に応じて前記両方を含む。しかし、疾患の進行は実質的に前述の治療に影響されない。 Currently, COPD is the fourth leading cause of death among people over the age of 45 in the United States, and the number is increasing worldwide. It is also estimated that in countries with high male smoking rates, such as China and Southeast Asia, the number of patients suffering from COPD will increase threefold within the next decade. Furthermore, South Korea is no exception given the highest smoking prevalence in the younger generation world, and the prevalence of COPD is expected to increase over a fairly long period of time. However, despite its many related serious problems, research to understand the pathogenesis mechanism for COPD is still ongoing and no therapy has yet been found. Therefore, the treatment is mainly focused on reducing symptoms or delaying their progression. Currently, treatments that can aid in disease management include smoking cessation or treatment with drugs such as bronchial relaxants and anti-inflammatory agents, or both as the disease progresses. However, disease progression is substantially unaffected by the aforementioned treatments.
一方、薬物開発側面から見ると、様々なCOPDの発病メカニズムの研究を踏まえて治療薬を開発するために多くの努力が行なわれてきた。しかし、過去10年間の集中的な取組みにもかかわらず目立った進歩はなく、例えば、好中性白血球エラスターゼの臨床試験はあまり成功しなかった。現在、薬物開発は慢性的な咳、息切れ、気道での過度な粘液形成による喀痰を伴う咳のようなCOPDと関連がある徴候を治療と、COPDによって引き起こされる肺機能の急性悪化を引き起こす危険の減少とに向っている。新しい抗炎症メカニズムに基づいているCCR5受容体、LTB4アゴニスト、IL−8調節剤のような治療剤が開発されているが、COPDへの優れた治療効果を示す臨床報告もなく、薬品承認に関する報告もない。 On the other hand, from the viewpoint of drug development, many efforts have been made to develop therapeutic drugs based on research on various COPD pathogenesis mechanisms. However, despite intensive efforts over the past decade, there has been no noticeable progress, for example, clinical trials of neutrophil leukocyte elastase were not very successful. Currently, drug development treats symptoms associated with COPD such as chronic cough, shortness of breath, cough with sputum due to excessive mucus formation in the respiratory tract and the risk of causing acute deterioration of lung function caused by COPD It is suitable for decrease. Therapeutic agents such as CCR5 receptor, LTB4 agonist, and IL-8 modulator based on a new anti-inflammatory mechanism have been developed, but there is no clinical report showing excellent therapeutic effects on COPD, and reports on drug approval Nor.
最近に、第2世代の選択的ホスホジエステラーゼ−4抑制剤がCOPDの潜在的に有効な治療剤として提案された(文献参照;Doherty, Chemical Biology 1999, 3:466-473; Mohammed et al., Anti-inflammatory & Immunology Investigational Drugs 1999 1(1):1-28;Schmidt et al., Clinical and Experimental Allergy, 29, supplement 2, 99-109)。最近に開発されたいろいろな種類のPDE4抑制剤中、GSKで開発中であるアリフロ(Ariflo)(経口投与が可能なPDE4抑制剤)がCOPDの治療に可能性があると提案された(文献参照;Nieman et al., Am. J. Respir Crit. Care Med. 1998, 157: A413;Underwood et al., Eur. Respir. J. 1998, 12:86s;Compton et al., Am. J. Respir. Crit. Care Med. 1999, 159:A522)。さらに、1999年10月12日にマドリードで開催されたヨーロッパ呼吸器学会(European Respiratory Society)の会議で Compton氏の口頭報告及び1999年6月27〜30日にパリで開催された炎症に関する第4回世界会議でのTorphyとUnderwood氏らの口頭報告を参照されたい。アリフロは現在、COPD治療のために第3相臨床試験中にある。 Recently, a second generation selective phosphodiesterase-4 inhibitor has been proposed as a potentially effective treatment for COPD (see literature; Doherty, Chemical Biology 1999, 3: 466-473; Mohammed et al., Anti -inflammatory & Immunology Investigational Drugs 1999 1 (1): 1-28; Schmidt et al., Clinical and Experimental Allergy, 29, supplement 2, 99-109). Among various types of recently developed PDE4 inhibitors, it has been proposed that Ariflo (a PDE4 inhibitor that can be administered orally) under development by GSK has potential for the treatment of COPD (see literature) Nieman et al., Am. J. Respir Crit. Care Med. 1998, 157: A413; Underwood et al., Eur. Respir. J. 1998, 12: 86s; Compton et al., Am. J. Respir. Crit. Care Med. 1999, 159: A522). In addition, Mr. Compton's oral report at the European Respiratory Society meeting held in Madrid on October 12, 1999, and the fourth report on inflammation held in Paris on June 27-30, 1999. See the oral report of Torphy and Underwood at the World Congress. Aliflo is currently in phase 3 clinical trials for the treatment of COPD.
しかし、アリフロは数多くの欠点を持っていると指摘せざるをえない。特に、20mgの投与により、吐気及び嘔吐のような深刻な副作用が現れたと報告された(文献参照;Murdoch et al., Am. J. Respir. Crit Care Med. 1998, 157:A409)。その程度の低い投与量で副作用が現れたということは、その治療有用性に制限を加えることになり、毎日投与する患者にたくさんの不便を引き起こす。 However, it must be pointed out that Aliflo has a number of drawbacks. In particular, it was reported that administration of 20 mg caused serious side effects such as nausea and vomiting (see literature; Murdoch et al., Am. J. Respir. Crit Care Med. 1998, 157: A409). The appearance of side effects at such low doses limits the usefulness of the treatment and causes a lot of inconvenience for patients who take it daily.
したがって、最近数年の間、強力及び安定したPDE4抑制剤を開発するためにCOPDの様々な面で鋭意研究が行なわれてきた。しかし、これは多くの潜在的なPDE4抑制剤が、他の種に属するPDEに活性を持っているため、あまり選択的でないことを示す事実によって妨げられていた。しかも、主要メカニズムは正確に明らかになっていないが、中枢神経系でのPDE4抑制作用によって吐気、嘔吐等の副作用が誘発されるという報告がある。現在、cAMPにより調節される様々な機能を考慮すると、PDE4抑制剤の選択性の不足とPDE4の治療濃度における副作用が主要な問題の一つである。このような状態の下で、強力で選択的なPDE4抑制剤の開発が強く求められている。即ち、他の種に属するPDEには作用しなく、気管支拡張作用と抗炎症の直接的な機能活性を通じてCOPDと関連がある肺機能の急性悪化を防ぎ、及び疾患と関連がある肺機能の漸進的な悪化を治療する活性を維持しながら、治療濃度で副作用を引き起こさなく、したがって、患者の生活の質を改善するPDE4抑制剤の開発が強く求められている。
発明の要約
本発明は、下記式(1)の置換された1H−ピリジン−2−オン誘導体、
Thus, during the last few years, extensive research has been conducted on various aspects of COPD to develop potent and stable PDE4 inhibitors. However, this was hampered by the fact that many potential PDE4 inhibitors are less selective because they have activity on PDEs belonging to other species. Moreover, although the main mechanism has not been clarified accurately, there are reports that side effects such as nausea and vomiting are induced by the PDE4 inhibitory action in the central nervous system. Currently, considering the various functions regulated by cAMP, lack of selectivity of PDE4 inhibitors and side effects at therapeutic concentrations of PDE4 are one of the major problems. Under such circumstances, development of a powerful and selective PDE4 inhibitor is strongly demanded. That is, it does not act on PDEs belonging to other species, prevents acute deterioration of lung function related to COPD through direct functional activity of bronchodilation and anti-inflammation, and progressive lung function related to disease There is a strong need to develop PDE4 inhibitors that maintain the activity of treating general exacerbations while not causing side effects at therapeutic concentrations and thus improve the quality of life of patients.
SUMMARY OF THE INVENTION The present invention provides a substituted 1H-pyridin-2-one derivative of the following formula (1):
及びそのラセミ体、異性体及び薬剤学的に許容しうるその塩に関する。
式中、
R1はC6−C12アリール、C3−C8シクロアルキル、及び1−3個のヘテロ原子を含有する飽和または不飽和のC2−C11モノ−またはポリ−ヘテロ環からなる群より選択され、それらは、一つまたは二つのR7によって置換されていてもよく、
R2はC6−C12アリール、C3−C8シクロアルキル、及び1−3個のヘテロ原子を含有する飽和または不飽和のC2−C11モノまたはポリヘテロ環からなる群より選択され、それらは、一つまたは二つのR8によって置換されていてもよく、
R3及びR4は同一または異なっていてもよく、水素、C1−C6アルキル、及びC2−C7アルキルカルボニルからなる群より選択され、
R5及びR6は同一または異なっていてもよく、水素、C1−C6アルキル、C2−C7アルキルカルボニル、及びC2−C7アルコキシカルボニルからなる群より選択され、
R7は水素、C1−C6アルキル、C1−C6アルコキシ、C2−C7アルコキシカルボニル、C6−C12アリール、1−4個のヘテロ原子を含有するC1−C5ヘテロアリール、ハロゲン、CN、CF3、CO2H、CONH2、CONHNH2、及びNHCOCH3からなる群より選択され、
R8は水素、C1−C6アルキル、C1−C6アルコキシ、ヒドロキシ、ハロゲン、CN、及びCO2Hからなる群より選択され、
R1及びR4は選択的に連結されて芳香族環を形成していてもよい。
And its racemates, isomers and pharmaceutically acceptable salts thereof.
Where
R 1 is selected from the group consisting of C 6 -C 12 aryl, C 3 -C 8 cycloalkyl, and a saturated or unsaturated C 2 -C 11 mono- or poly-heterocycle containing 1-3 heteroatoms. Selected, they may be substituted by one or two R 7 ,
R 2 is selected from the group consisting of C 6 -C 12 aryl, C 3 -C 8 cycloalkyl, and a saturated or unsaturated C 2 -C 11 mono- or polyheterocycle containing 1-3 heteroatoms; They may be substituted by one or two R 8 ,
R 3 and R 4 may be the same or different and are selected from the group consisting of hydrogen, C 1 -C 6 alkyl, and C 2 -C 7 alkylcarbonyl;
R 5 and R 6 may be the same or different and are selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 2 -C 7 alkylcarbonyl, and C 2 -C 7 alkoxycarbonyl;
R 7 is hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 2 -C 7 alkoxycarbonyl, C 6 -C 12 aryl, C 1 -C 5 hetero containing 1-4 heteroatoms Selected from the group consisting of aryl, halogen, CN, CF 3 , CO 2 H, CONH 2 , CONHNH 2 , and NHCOCH 3 ;
R 8 is selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, hydroxy, halogen, CN, and CO 2 H;
R 1 and R 4 may be selectively connected to form an aromatic ring.
本発明の化合物は、ホスホジエステラーゼ(PDE)酵素抑制剤、特に、PDE4抑制剤、さらに特に、選択的抑制剤として有用である。
発明の詳細な説明
他の言及がない限り、本発明で記載されたアルキル基、及び別の基(例えば、アルコキシ)のアルキル残基は、直鎖または分岐鎖でありうる。さらに、ハロゲンはフッ素、塩素、臭素及びヨウ素を含む。
The compounds of the present invention are useful as phosphodiesterase (PDE) enzyme inhibitors, particularly PDE4 inhibitors, and more particularly as selective inhibitors.
DETAILED DESCRIPTION OF THE INVENTION Unless otherwise stated, the alkyl groups described in the present invention, and the alkyl residues of other groups (eg, alkoxy) can be straight or branched. In addition, halogen includes fluorine, chlorine, bromine and iodine.
本発明で使われるC3−C8シクロアルキルは、例えば、好ましくはシクロプロピル、シクロブチル、シクロペンチル、シクロヘキシル、またはシクロヘプチルであり、最も好ましくはシクロヘキシルである。 C 3 -C 8 cycloalkyl used in the present invention is, for example, preferably cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, or cycloheptyl, and most preferably cyclohexyl.
本発明で使われる1−3個のヘテロ原子を含有している飽和または不飽和のC2−C11モノ−またはポリ−ヘテロ環基は、例えば、好ましくはチエニル、チアゾリル、イミダゾリル、ベンゾイミダゾリル、トリアゾリル、テトラヒドロピラニル、ピリジニル、フラニル、ピラニル、ピロリル、ピラゾリル、ピラジニル、ピリミジニル、イソチアゾリル、イソオキサゾリル、ピリダジニル、イソベンゾピラニル、クロメニル、インドリル、インダゾリル、キノリニル、プリニル、ピロリニル、クロマニル、ピラゾリジニル、ピペリジニル、またはピペラジニルであり、最も好ましくはイミダゾリルである。 The saturated or unsaturated C 2 -C 11 mono- or poly-heterocyclic groups containing 1-3 heteroatoms used in the present invention are preferably, for example, thienyl, thiazolyl, imidazolyl, benzimidazolyl, triazolyl , Tetrahydropyranyl, pyridinyl, furanyl, pyranyl, pyrrolyl, pyrazolyl, pyrazinyl, pyrimidinyl, isothiazolyl, isoxazolyl, pyridazinyl, isobenzopyranyl, chromenyl, indolyl, indazolyl, quinolinyl, purinyl, pyrrolinyl, chromanyl, pyrazolidinyl, piperidinyl, or piperazinyl And most preferably imidazolyl.
本発明で使われるC6−C12アリール基は、例えば、好ましくはフェニル、ナフチルであり、最も好ましくはフェニルである。
本発明に係る式(1)の化合物の代表的例は下記化合物からなることができる:
1−アミノ−6−シクロヘキシル−4−フェニル−1H−ピリジン−2−オン(化合物1);
1−アミノ−4,6−ビス(シクロヘキシル)−1H−ピリジン−2−オン(化合物2);
1−アミノ−6−シクロヘキシル−5−メチル−4−フェニル−1H−ピリジン−2−オン(化合物3);
1−アミノ−6−シクロヘキシル−3−メチル−4−フェニル−1H−ピリジン−2−オン(化合物4);
1−アミノ−6−(2−メトキシフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物5);
1−アミノ−6−(3−メトキシフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物6);
1−アミノ−6−(4−フルオロフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物7);
1−アミノ−6−(3,4−ジメトキシフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物8);
1−アミノ−4−フェニル−6−o−トイル−1H−ピリジン−2−オン(化合物9);
1−アミノ−6−シクロプロピル−4−フェニル−1H−ピリジン−2−オン(化合物10);
1−アミノ−6−シクロペンチル−4−フェニル−1H−ピリジン−2−オン(化合物11);
1−アミノ−4−フェニル−6−(テトラヒドロピラン−4−イル)−1H−ピリジン−2−オン(化合物12);
1−アミノ−6−(4−メトキシフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物13);
1−アミノ−6−シクロヘプチル−4−イミダゾール−1−イル−1H−ピリジン−2−オン(化合物14);
1−アミノ−4−(4−フルオロフェニル)−6−フェニル−1H−ピリジン−2−オン(化合物15);
1−アミノ−4−シクロペンチル−6−フェニル−1H−ピリジン−2−オン(化合物16);
1−アミノ−6−シクロヘキシル−4−ナフタレン−1−イル−1H−ピリジン−2−オン(化合物17);
1−メチルアミノ−4,6−ジフェニル−1H−ピリジン−2−オン(化合物18);
1−アミノ−6−シクロヘキシル−4−イミダゾール−1−イル−1H−ピリジン−2−オン(化合物19);
1−アミノ−6−シクロヘキシル−4−[1,2,3]トリアゾール−1−イル−1H−ピリジン−2−オン(化合物20);
1−アミノ−6−シクロペンチル−4−(イミダゾール)−1−イル−1H−ピリジン−2−オン(化合物21)
1−アミノ−6−シクロヘキシル−4−(1,2,4−トリアゾール)−1−イル−1H−ピリジン−2−オン(化合物22);
1−アミノ−6−シクロヘキシル−4−(3−メチルピロ−ル)−1−イル−1H−ピリジン−2−オン(化合物23);
1−アミノ−6−シクロヘキシル−4−(4−メチルイミダゾール)−1−イル−1H−ピリジン−2−オン(化合物24);
1−アミノ−6−シクロヘキシル−4−(4−フェニルイミダゾール)−1−イル−1H−ピリジン−2−オン(化合物25);
1−アミノ−6−シクロヘキシル−4−ピラゾール−1−イル−1H−ピリジン−2−オン(化合物26);
1−アミノ−6−シクロヘキシル−4−(2−メチルイミダゾール−1−イル)−1H−ピリジン−2−オン(化合物27);
1−アミノ−6−シクロヘキシル−4−(2−エチルイミダゾール−1−イル)−1H−ピリジン−2−オン(化合物28);
1−(アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−1H−イミダゾール−4−カルボン酸ヒドラジド(化合物29);
1−アミノ−4−ベンズイミダゾール−1−イル−6−シクロヘキシル−1H−ピリジン−2−オン(化合物30);
2−アミノ−3−フェニル−2H−イソキノリン−1−オン(化合物31);
4−アセチル−2−アミノ−3−フェニル−2H−イソキノリン−1−オン(化合物32);
1−アミノ−4−イミダゾール−1−イル−6−(4−メトキシシクロヘキシル)−1H−ピリジン−2−オン(化合物33);
1−アミノ−6−(4−ヒドロキシシクロヘキシル)−4−イミダゾール−1−イル−1H−ピリジン−2−オン(化合物34);
4−(1−アミノ−2−オキソ−6−フェニル−1,2−ジヒドロピリジン−4−イル)−ベンゾニトリル(化合物35);
4−(1−アミノ−2−オキソ−6−フェニル−1,2−ジヒドロピリジン−4−イル)−安息香酸(化合物36);
4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−ベンゾニトリル(化合物37);
4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−安息香酸(化合物38);
4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−ベンズアミド(化合物39);
1−アミノ−6−シクロヘキシル−4−(4−トリフルオロメチルイミダゾール−1−イル)−1H−ピリジン−2−オン(化合物40);
1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−1H−イミダゾール−4−カルボニトリル(化合物41);
1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−1H−イミダゾール−4−カルボン酸アミド(化合物42);
(6−シクロヘキシル−4−イミダゾール−1−イル−2−オキソ−2H−ピリジン−1−イル)−カルバミン酸メチルエステル(化合物43);
4−(1−アミノ−4−イミダゾール−1−イル−6−オキソ−1,6−ジヒドロピリジン−2−イル)−シクロヘキサン−カルボニトリル(化合物44);
4−(1−アミノ−4−イミダゾール−1−イル−6−オキソ−1,6−ジヒドロピリジン−2−イル)−シクロヘキサン−カルボン酸(化合物45);
1’−アミノ−6’−シクロヘキシル−1’H−[2,4’]ビピリジニル−2’−オン(化合物46);
N−[3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−フェニル]−アセトアミド(化合物47);
1'−アミノ−6’−シクロヘキシル−2’−オキソ−1’,2’−ジヒドロ−[2,4’] ビピリジニル−5−カルボニトリル(化合物48);
1’−アミノ−6’−シクロヘキシル−2’−オキソ−1’,2’−ジヒドロ−[2,4’]ビピリジニル−5−カルボン酸アミド(化合物49);
1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−1H−イミダゾール−4−カルボン酸(化合物50);
1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−1H−イミダゾール−4−カルボン酸メチルエステル(化合物51);
4−(1−アミノ−6−オキソ−4−フェニル−1,6−ジヒドロピリジン−2−イル)−安息香酸(化合物52);
4−(1−アミノ−6−オキソ−4−フェニル−1,6−ジヒドロピリジン−2−イル)−ベンゾニトリル(化合物53);
3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−安息香酸(化合物54);
3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−ベンゾニトリル(化合物55);及び
1−アミノ−6−シクロヘキシル−4−[4−(5H−テトラゾール−5−イル)−フェニル]−1H−ピリジン−2−オン(化合物56)。
また、本発明に係る式(1)の化合物は薬剤学的に許容しうる塩を形成することができる。このような薬剤学的に許容しうる塩としては、薬剤学的に許容しうるアニオンを含有する無毒性酸付加塩を形成する酸、例えば、塩酸、硫酸、硝酸、リン酸、臭化水素酸、ヨウ化水素酸のような無機酸、酒石酸、ギ酸、クエン酸、酢酸、トリクロロ酢酸、トリフルオロ酢酸、グルコン酸、安息香酸、乳酸、フマル酸、マレイン酸のような有機カルボン酸、メタンスルホン酸、ベンゼンスルホン酸、p−トルエンスルホン酸、ナフタルスルホン酸のようなスルホン酸、によって生成される酸付加塩、及び、ナトリウム、カリウムのようなアルカリ金属との塩が挙げられる。さらに、芳香族アミジン誘導体またはラクタム誘導体が属する技術分野で知られており、使われている他の酸または塩基との塩を挙げることができる。これらは通常の転換工程によって製造される。
The C 6 -C 12 aryl group used in the present invention is, for example, preferably phenyl or naphthyl, and most preferably phenyl.
Representative examples of compounds of formula (1) according to the present invention can consist of the following compounds:
1-amino-6-cyclohexyl-4-phenyl-1H-pyridin-2-one (Compound 1);
1-amino-4,6-bis (cyclohexyl) -1H-pyridin-2-one (compound 2);
1-amino-6-cyclohexyl-5-methyl-4-phenyl-1H-pyridin-2-one (compound 3);
1-amino-6-cyclohexyl-3-methyl-4-phenyl-1H-pyridin-2-one (compound 4);
1-amino-6- (2-methoxyphenyl) -4-phenyl-1H-pyridin-2-one (compound 5);
1-amino-6- (3-methoxyphenyl) -4-phenyl-1H-pyridin-2-one (compound 6);
1-amino-6- (4-fluorophenyl) -4-phenyl-1H-pyridin-2-one (compound 7);
1-amino-6- (3,4-dimethoxyphenyl) -4-phenyl-1H-pyridin-2-one (Compound 8);
1-amino-4-phenyl-6-o-toyl-1H-pyridin-2-one (compound 9);
1-amino-6-cyclopropyl-4-phenyl-1H-pyridin-2-one (compound 10);
1-amino-6-cyclopentyl-4-phenyl-1H-pyridin-2-one (Compound 11);
1-amino-4-phenyl-6- (tetrahydropyran-4-yl) -1H-pyridin-2-one (Compound 12);
1-amino-6- (4-methoxyphenyl) -4-phenyl-1H-pyridin-2-one (compound 13);
1-amino-6-cycloheptyl-4-imidazol-1-yl-1H-pyridin-2-one (compound 14);
1-amino-4- (4-fluorophenyl) -6-phenyl-1H-pyridin-2-one (compound 15);
1-amino-4-cyclopentyl-6-phenyl-1H-pyridin-2-one (Compound 16);
1-amino-6-cyclohexyl-4-naphthalen-1-yl-1H-pyridin-2-one (Compound 17);
1-methylamino-4,6-diphenyl-1H-pyridin-2-one (compound 18);
1-amino-6-cyclohexyl-4-imidazol-1-yl-1H-pyridin-2-one (Compound 19);
1-amino-6-cyclohexyl-4- [1,2,3] triazol-1-yl-1H-pyridin-2-one (Compound 20);
1-amino-6-cyclopentyl-4- (imidazol) -1-yl-1H-pyridin-2-one (Compound 21)
1-amino-6-cyclohexyl-4- (1,2,4-triazol) -1-yl-1H-pyridin-2-one (Compound 22);
1-amino-6-cyclohexyl-4- (3-methylpyrrol) -1-yl-1H-pyridin-2-one (Compound 23);
1-amino-6-cyclohexyl-4- (4-methylimidazol) -1-yl-1H-pyridin-2-one (Compound 24);
1-amino-6-cyclohexyl-4- (4-phenylimidazol) -1-yl-1H-pyridin-2-one (Compound 25);
1-amino-6-cyclohexyl-4-pyrazol-1-yl-1H-pyridin-2-one (Compound 26);
1-amino-6-cyclohexyl-4- (2-methylimidazol-1-yl) -1H-pyridin-2-one (Compound 27);
1-amino-6-cyclohexyl-4- (2-ethylimidazol-1-yl) -1H-pyridin-2-one (Compound 28);
1- (amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -1H-imidazole-4-carboxylic acid hydrazide (Compound 29);
1-amino-4-benzimidazol-1-yl-6-cyclohexyl-1H-pyridin-2-one (Compound 30);
2-Amino-3-phenyl-2H-isoquinolin-1-one (Compound 31);
4-acetyl-2-amino-3-phenyl-2H-isoquinolin-1-one (Compound 32);
1-amino-4-imidazol-1-yl-6- (4-methoxycyclohexyl) -1H-pyridin-2-one (Compound 33);
1-amino-6- (4-hydroxycyclohexyl) -4-imidazol-1-yl-1H-pyridin-2-one (Compound 34);
4- (1-amino-2-oxo-6-phenyl-1,2-dihydropyridin-4-yl) -benzonitrile (Compound 35);
4- (1-amino-2-oxo-6-phenyl-1,2-dihydropyridin-4-yl) -benzoic acid (Compound 36);
4- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -benzonitrile (Compound 37);
4- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -benzoic acid (Compound 38);
4- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -benzamide (Compound 39);
1-amino-6-cyclohexyl-4- (4-trifluoromethylimidazol-1-yl) -1H-pyridin-2-one (Compound 40);
1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -1H-imidazole-4-carbonitrile (Compound 41);
1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -1H-imidazole-4-carboxylic acid amide (Compound 42);
(6-Cyclohexyl-4-imidazol-1-yl-2-oxo-2H-pyridin-1-yl) -carbamic acid methyl ester (Compound 43);
4- (1-amino-4-imidazol-1-yl-6-oxo-1,6-dihydropyridin-2-yl) -cyclohexane-carbonitrile (Compound 44);
4- (1-amino-4-imidazol-1-yl-6-oxo-1,6-dihydropyridin-2-yl) -cyclohexane-carboxylic acid (Compound 45);
1'-amino-6'-cyclohexyl-1'H- [2,4 '] bipyridinyl-2'-one (compound 46);
N- [3- (1-Amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -phenyl] -acetamide (Compound 47);
1′-amino-6′-cyclohexyl-2′-oxo-1 ′, 2′-dihydro- [2,4 ′] bipyridinyl-5-carbonitrile (Compound 48);
1′-amino-6′-cyclohexyl-2′-oxo-1 ′, 2′-dihydro- [2,4 ′] bipyridinyl-5-carboxylic acid amide (Compound 49);
1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -1H-imidazole-4-carboxylic acid (compound 50);
1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -1H-imidazole-4-carboxylic acid methyl ester (Compound 51);
4- (1-amino-6-oxo-4-phenyl-1,6-dihydropyridin-2-yl) -benzoic acid (Compound 52);
4- (1-amino-6-oxo-4-phenyl-1,6-dihydropyridin-2-yl) -benzonitrile (Compound 53);
3- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -benzoic acid (Compound 54);
3- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -benzonitrile (compound 55); and 1-amino-6-cyclohexyl-4- [4- (5H- Tetrazol-5-yl) -phenyl] -1H-pyridin-2-one (Compound 56).
Also, the compound of formula (1) according to the present invention can form a pharmaceutically acceptable salt. Such pharmaceutically acceptable salts include acids that form non-toxic acid addition salts containing pharmaceutically acceptable anions, such as hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, hydrobromic acid. , Inorganic acids such as hydroiodic acid, tartaric acid, formic acid, citric acid, acetic acid, trichloroacetic acid, trifluoroacetic acid, gluconic acid, benzoic acid, lactic acid, fumaric acid, organic carboxylic acids such as maleic acid, methanesulfonic acid And acid addition salts produced by sulfonic acids such as benzenesulfonic acid, p-toluenesulfonic acid and naphthalsulfonic acid, and salts with alkali metals such as sodium and potassium. Furthermore, salts with other acids or bases known and used in the art to which the aromatic amidine derivatives or lactam derivatives belong can be mentioned. These are produced by conventional conversion processes.
前記定義のような新規な式(1)の化合物は下記記述する方法に基づいて製造することができる。従って、本発明の他の目的は式(1)の化合物の製造方法を提供することにある。 The novel compound of the formula (1) as defined above can be produced based on the method described below. Accordingly, another object of the present invention is to provide a process for producing the compound of formula (1).
さらに具体的にいうと、式(1)の化合物は、下記工程を含む方法によって製造することができる: More specifically, the compound of formula (1) can be prepared by a method comprising the following steps:
a)下記式(9)の化合物; a) a compound of the following formula (9);
を下記式(8)の化合物と縮合反応させて; Is subjected to a condensation reaction with a compound of the following formula (8);
下記式の(7)の化合物を得る工程; Obtaining a compound of formula (7):
b)式(7)の化合物を環化反応させて下記式(6)の化合物を得る工程; b) a step of cyclizing the compound of the formula (7) to obtain a compound of the following formula (6);
c)式(6)の化合物をハロゲン化反応させて下記式(5)の化合物を得る工程; c) a step of halogenating the compound of the formula (6) to obtain a compound of the following formula (5);
d)式(5)の化合物を下記式(4)の化合物とカップリング反応させて; d) coupling the compound of formula (5) with the compound of formula (4) below;
置換された下記式(3)の化合物を得る工程;及び Obtaining a substituted compound of formula (3); and
e)式(3)の化合物を下記式(2)の化合物と置換反応させて; e) a substitution reaction of a compound of formula (3) with a compound of formula (2)
式(1)の化合物を得る工程。
式中、R1、R2、R3,R4,R5及びR6は前記同義であり、
Xは反応性脱離基を示し、好ましくはヒドロキシまたはハロゲンである。
Obtaining a compound of formula (1).
In the formula, R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are as defined above,
X represents a reactive leaving group, preferably hydroxy or halogen.
前記製造方法を下記で具体的に説明する。
式(9)の化合物と式(8)の化合物の縮合反応は適宜の溶媒及び縮合剤の存在下で通常的な方法によって遂行される。その反応では、反応に悪影響を及ぼさない通常的な溶媒を一般に使用することができ、好ましい溶媒の例は、テトラヒドロフラン、アセトニトリル、ジメトキシエタンのような極性、非プロトン性溶媒であり、特に好ましくはジメトキシエタンである。反応に添加される塩基は、カリウムtert−ブトキシド、ナトリウムエトキシド、水素化ナトリウムのような一般的な塩基であり、好ましくは水素化ナトリウムである。反応は約5時間〜24時間、好ましくは8時間、室温〜100℃で、好ましくは100℃で遂行される。
The manufacturing method will be specifically described below.
The condensation reaction of the compound of formula (9) and the compound of formula (8) is carried out by a conventional method in the presence of an appropriate solvent and a condensing agent. In the reaction, a general solvent that does not adversely influence the reaction can be generally used. Examples of preferable solvents are polar, aprotic solvents such as tetrahydrofuran, acetonitrile, and dimethoxyethane, and particularly preferable is dimethoxy. It is ethane. The base added to the reaction is a common base such as potassium tert-butoxide, sodium ethoxide, sodium hydride, preferably sodium hydride. The reaction is carried out for about 5 hours to 24 hours, preferably 8 hours, at room temperature to 100 ° C, preferably at 100 ° C.
出発物質として使用される式(9)と式(8)の化合物は、次の文献(JACS. 89.25. 1967. 6623-6628;Tetrahedron, 52. 16. 1967. 5799-5804;Yakugaku Zashi, 87. 1967. 1209;Chem. Ber, 27. 1894. 1141)の方法を参考にして製造できるか、または商業的にSigma Aldric、Merckなどの試薬会社で購入することができる。 The compounds of formula (9) and formula (8) used as starting materials are described in the following literature (JACS. 89.25. 1967. 6623-6628; Tetrahedron, 52. 16. 1967. 5799-5804; Yakugaku Zashi, 87. 1967; 1209; Chem. Ber, 27. 1894. 1141), or commercially available from a reagent company such as Sigma Aldric, Merck.
次ぎの工程で、前記方法によって得られた式(7)の化合物を適宜の溶媒及び触媒の存在下で通常的な方法によって環化反応を遂行する。この反応で、溶媒として、一般に反応に悪影響を及ぼさない通常の溶媒は、好ましくは、テントラヒドロフラン、エチルエーテル、ジメトキシエタンのような極性、非プロトン性溶媒を使用することができ、、特に好ましくはエチルエーテルが挙げられる。触媒としては、一般的な無水物、好ましくはトリフルオロ酢酸無水物が式(6)の環化アルコール類化合物を得るために使用される。反応は約30分〜10時間で、好ましくは2時間、100℃〜室温、好ましくは室温で行うことができる。 In the next step, the compound of formula (7) obtained by the above method is subjected to a cyclization reaction by a conventional method in the presence of an appropriate solvent and catalyst. In this reaction, as a solvent, a normal solvent that generally does not adversely influence the reaction, preferably a polar, aprotic solvent such as tentrahydrofuran, ethyl ether, dimethoxyethane can be used. Preferably, ethyl ether is used. As the catalyst, a general anhydride, preferably trifluoroacetic anhydride, is used to obtain the cyclized alcohol compound of formula (6). The reaction can be carried out for about 30 minutes to 10 hours, preferably 2 hours, 100 ° C. to room temperature, preferably room temperature.
式(6)の化合物にジメチルホルムアミドとエチルエーテルの混合溶媒で一般的なハロゲン化剤、好ましくはトリブロモホスフィンを加えて、反応物の4−位置のアルコールをBrで置換して、式(5)の臭素化化合物が得られる。反応は1時間〜24時間、好ましくは8時間、0℃で反応を始めて、室温〜60℃、好ましくは60℃で遂行することができる。 A general halogenating agent, preferably tribromophosphine, is added to the compound of formula (6) in a mixed solvent of dimethylformamide and ethyl ether, and the alcohol at the 4-position of the reaction is substituted with Br to give a compound of formula (5 ) Brominated compound. The reaction can be carried out at room temperature to 60 ° C., preferably 60 ° C., starting at 0 ° C. for 1 hour to 24 hours, preferably 8 hours.
式(5)の化合物と式(4)の化合物に、ヨウ化ナトリウムまたはヨウ化カリウム、好ましくはヨウ化カリウムのような触媒の存在下、テトラヒドロフラン、アセトニトリル、ジメチルホルムアミド、好ましくはアセトニトリルのような非プロトン性溶媒中で、炭酸カリウム、炭酸水素ナトリウム、好ましくは炭酸カリウムのような塩基を加えて、式(3)のカップリングした化合物が得られる。反応は2時間〜20時間、好ましくは5時間、室温〜還流条件、好ましくは還流温度で遂行される。 In the presence of a catalyst such as sodium iodide or potassium iodide, preferably potassium iodide, a compound of formula (5) and a compound of formula (4) are added to a non-tetrahydrofuran, acetonitrile, dimethylformamide, preferably acetonitrile In a protic solvent, a base such as potassium carbonate, sodium bicarbonate, preferably potassium carbonate is added to give the coupled compound of formula (3). The reaction is carried out for 2 hours to 20 hours, preferably 5 hours, at room temperature to reflux conditions, preferably at reflux temperature.
式(3)の化合物に、エタノール、メタノール、水、ジメチルホルムアミド、好ましくはエタノールのような極性非プロトン性溶媒中で式(2)の化合物を加え、得られる混合物中で式(3)の化合物が置換されて式(1)の化合物を与える。反応は5時間〜48時間、好ましくは8時間、室温〜還流加熱、好ましくは室温で遂行される。 To the compound of formula (3) is added a compound of formula (2) in a polar aprotic solvent such as ethanol, methanol, water, dimethylformamide, preferably ethanol, and the compound of formula (3) in the resulting mixture Are substituted to give compounds of formula (1). The reaction is carried out for 5 hours to 48 hours, preferably 8 hours, at room temperature to reflux heating, preferably at room temperature.
前記に記載の方法は後述する実施例によってより具体的に説明される。
一方、本発明に係る式(1)の化合物は前述したように、PDE4に対する優れた選択的と抑制活性を有している。したがって、本発明は、活性成分として有効量の式(1)の化合物、その薬剤学的に許容しうる塩または立体化学的異性体と薬剤学的に許容しうる担体を含有するPDE4抑制剤組成物に関するものである。
The above-described method will be described in more detail with reference to examples described later.
On the other hand, the compound of the formula (1) according to the present invention has excellent selective and inhibitory activities against PDE4 as described above. Accordingly, the present invention provides a PDE4 inhibitor composition comprising an effective amount of a compound of formula (1) as an active ingredient, a pharmaceutically acceptable salt or stereochemical isomer thereof and a pharmaceutically acceptable carrier. It is about things.
本発明に係る組成物は強力なPDE4抑制活性を示すので、COPD、喘息、慢性気管支炎、乾癬、潰瘍性大腸炎、クローン病(Crohn’s disease、局所性回腸炎)、動脈硬化症、リウマチ性関節炎、骨粗鬆症、骨関節炎、鬱病、記憶喪失症、慢性の壊死により媒介される炎症、及びPDE4によって媒介される他の疾患の治療するための治療薬として有用である。 Since the composition according to the present invention exhibits potent PDE4 inhibitory activity, COPD, asthma, chronic bronchitis, psoriasis, ulcerative colitis, Crohn's disease, arteriosclerosis, rheumatoid arthritis It is useful as a therapeutic to treat osteoporosis, osteoarthritis, depression, memory loss, inflammation mediated by chronic necrosis, and other diseases mediated by PDE4.
本発明に係る化合物は経口または非経口投与に好適な薬剤組成物の形態として製造することができる。前記薬剤組成物は、経口投与のために粉剤、顆粒剤、錠剤、カプセル、シロップまたは懸濁液の形態として製剤することができ、または、注射として非経口投与するために溶液、乳剤または懸濁液として製剤することができる。前記薬剤組成物はまた、吸入による投与のために、呼吸器に噴霧されるエアロゾルとして製剤することができ、また、直腸投与のために坐剤の形態として製剤することができる。 The compound according to the present invention can be produced in the form of a pharmaceutical composition suitable for oral or parenteral administration. The pharmaceutical composition can be formulated for oral administration in the form of a powder, granule, tablet, capsule, syrup or suspension, or as a solution, emulsion or suspension for parenteral administration as an injection. It can be formulated as a liquid. The pharmaceutical composition can also be formulated as an aerosol to be nebulized into the respiratory tract for administration by inhalation, or in the form of a suppository for rectal administration.
前記薬剤組成物は、活性成分としての本発明の化合物と薬剤学的に許容しうる担体、受容体、結合剤、安定化剤及び希釈剤と混合することによって製造することができる。本発明の化合物を注射液の形態として使用する場合、薬剤学的に許容しうる緩衝液、溶解補助剤または等張剤を本発明の組成物に混合することができる。
The pharmaceutical composition can be prepared by mixing the compound of the present invention as an active ingredient with a pharmaceutically acceptable carrier, receptor, binder, stabilizer and diluent. When the compound of the present invention is used in the form of an injection solution, a pharmaceutically acceptable buffer, a solubilizing agent or an isotonic agent can be mixed in the composition of the present invention.
投与量及び投与時間は疾患、状態、年齢、体重及び投与形態によって異なる。前記組成物は成人において、毎日0.1〜2.000mg、好ましくは1〜200mgを1日に1回投与でき、または数回に分けて等量ずつ投与することができる。 The dosage and administration time vary depending on the disease, condition, age, weight and dosage form. In adults, 0.1 to 2.000 mg, preferably 1 to 200 mg daily can be administered once a day, or can be administered in divided doses in equal amounts.
毒性試験のために、本発明の組成物を10匹のマウスに100mg/kg投与し、投与1日後、マウスの状態を確認した。全マウスが生存し、そして、深刻な疾患を引き起こしたマウスは一匹もなく、そのことは本発明の化合物が非毒性であることを示している。
以下、本発明を下記実施例によって詳しく説明する。しかし、これらの実施例は本発明の具体例を例示するためのだけであり、本発明の範囲は決して実施例に制限されない。
実施例
実施例1:1−アミノ−6−シクロヘキシル−4−フェニル−1H−ピリジン−2−オン(化合物1)の合成
a)5−シクロヘキシル−3,5−ジオキソ−ペンタン酸の合成
還流装置付き500mLフラスコにNaH(42g、1.053mol)を入れ、ジメトキシエタン(DME、250mL)で希釈した後、還流下、100℃に加熱した。1時間後、シクロヘキサンカルボン酸エチルエステル(50g、0.351mol)と3−オキソ−酪酸エチルエステル(50g、0.386mol)をDME(250mL)で希釈した溶液を30分にわたってゆっくり加えた後、8時間還流した。反応液を室温に冷却した後、減圧下で溶媒を除去した後、水(200mL)を加えた。次いで、溶液を2時間室温で攪拌し、2N HCl水溶液で酸性化し、酢酸エチル(200mL)で2度抽出した。抽出液はMgSO4で乾燥し、濾過し、濾液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=1:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて、無色液体(52g、70%)を得た。
For the toxicity test, the composition of the present invention was administered to 10 mice at 100 mg / kg, and the condition of the mice was confirmed one day after the administration. All mice survived and none of the mice caused serious disease, indicating that the compounds of the invention are non-toxic.
Hereinafter, the present invention will be described in detail by the following examples. However, these examples are only for illustrating specific examples of the present invention, and the scope of the present invention is in no way limited to the examples.
Examples Example 1: Synthesis of 1-amino-6-cyclohexyl-4-phenyl-1H-pyridin-2-one (Compound 1)
a) Synthesis of 5-cyclohexyl-3,5-dioxo-pentanoic acid A 500 mL flask equipped with a reflux apparatus was charged with NaH (42 g, 1.053 mol), diluted with dimethoxyethane (DME, 250 mL), and then refluxed at 100 ° C. Heated. After 1 hour, a solution of cyclohexanecarboxylic acid ethyl ester (50 g, 0.351 mol) and 3-oxo-butyric acid ethyl ester (50 g, 0.386 mol) diluted with DME (250 mL) was slowly added over 30 minutes, then 8 Reflux for hours. The reaction solution was cooled to room temperature, the solvent was removed under reduced pressure, and water (200 mL) was added. The solution was then stirred for 2 hours at room temperature, acidified with 2N aqueous HCl and extracted twice with ethyl acetate (200 mL). The extract was dried over MgSO 4 , filtered and the filtrate was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 1: 1). Fractions containing product were combined and evaporated to give a colorless liquid (52 g, 70%).
1H-NMR(CDCl3); δ = 5.63(s, 1H), 3.35(s, 1H), 2.15(m, 1H), 1.9-1.15(m, 10H).
MS(ESI); 213(M++1).
b)6−シクロヘキシル−4−ヒドロキシ−ピラン−2−オンの合成
500mLフラスコに、5−シクロヘキシル−3,5−ジオキソ−ペンタン酸(30g、0.142mol)をエーテル(200mL)に溶かした後、溶液を0℃に冷却した。次いで、トリフルオロ酢酸無水物[(TFA)2O:40mL、0.284mol)を30分にわたってゆっくり滴下した。2時間後、反応液を減圧下で蒸留し、残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 塩化メチレン(MC):メタノール(MeOH)=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて乳白色固体(27g、99%)を得た。
1 H-NMR (CDCl 3 ); δ = 5.63 (s, 1H), 3.35 (s, 1H), 2.15 (m, 1H), 1.9-1.15 (m, 10H).
MS (ESI); 213 (M + +1).
b) Synthesis of 6-cyclohexyl-4-hydroxy-pyran-2-one In a 500 mL flask, 5-cyclohexyl-3,5-dioxo-pentanoic acid (30 g, 0.142 mol) was dissolved in ether (200 mL). The solution was cooled to 0 ° C. Then, trifluoroacetic anhydride [(TFA) 2 O: 40 mL, 0.284 mol) was slowly added dropwise over 30 minutes. After 2 hours, the reaction solution was distilled under reduced pressure, and the residue was purified using silica gel column chromatography (elution solvent: methylene chloride (MC): methanol (MeOH) = 30: 1). Fractions containing product were combined and evaporated to give a milky white solid (27 g, 99%).
1H-NMR(CDC13); δ = 5.98(d, 1H), 5.08(d, 1H), 2.44(m, 1H), 2.05-1.10(m, 10H).
MS(ESI); 195(M++1).
c)4−ブロモ−6−シクロヘキシル−ピラン−2−オンの合成
100mLフラスコにジメチルホルムアミド(DMF:10mL)を入れ、−10℃に冷却した後、PBr3(0.7mL、7.688mmol)をエーテル(10mL)で希釈した溶液を10分にわたって滴下した。10分後に、6−シクロヘキシル−4−ヒドロキシ−ピラン−2−オン(373mg、1.922mmol)をDMF(7mL)に溶かした溶液を30分にわたってゆっくり滴下した。反応液を60℃で、10時間加熱した。反応液を室温に冷却後、水を加えた後、溶液を酢酸エチルで抽出した。抽出液はMgSO4で乾燥後、濾過し、濾液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=10:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(241mg、49%)を得た。
1 H-NMR (CDC1 3 ); δ = 5.98 (d, 1H), 5.08 (d, 1H), 2.44 (m, 1H), 2.05-1.10 (m, 10H).
MS (ESI); 195 (M + +1).
c) Synthesis of 4-bromo-6-cyclohexyl-pyran-2-one A 100 mL flask was charged with dimethylformamide (DMF: 10 mL), cooled to −10 ° C., and then PBr 3 (0.7 mL, 7.688 mmol) was added. A solution diluted with ether (10 mL) was added dropwise over 10 minutes. After 10 minutes, a solution of 6-cyclohexyl-4-hydroxy-pyran-2-one (373 mg, 1.922 mmol) in DMF (7 mL) was slowly added dropwise over 30 minutes. The reaction was heated at 60 ° C. for 10 hours. The reaction mixture was cooled to room temperature, water was added, and the solution was extracted with ethyl acetate. The extract was dried over MgSO 4 and filtered, and the filtrate was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 10: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (241 mg, 49%).
1H-NMR(CDC13); δ = 6.34(d, 1H), 5.88(d, 1H), 2.44(m, 1H), 2.05-1.10(m, 10H).
MS(ESI); 258(M++1).
d)6−シクロヘキシル−4−フェニル−ピラン2−オンの合成
4−ブロモ−6−シクロヘキシル−ピラン−2−オン(3.04g、11.8mmol)を乾燥されたTHF(25mL)に溶かし、Pd(PPh3)4(300mg)を加えた。次に0.5M溶液のフェニルジンククロリド(71mL、17.7mmol)を滴下した。1時間後、NH4Cl水溶液(20mL)を加え、混合溶液を酢酸エチル(100mL)で2度抽出した。抽出液をMgSO4で乾燥後、濾過し、濾液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=5:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(2.15g、71%)を得た。
1 H-NMR (CDC1 3 ); δ = 6.34 (d, 1H), 5.88 (d, 1H), 2.44 (m, 1H), 2.05-1.10 (m, 10H).
MS (ESI); 258 (M + +1).
d) Synthesis of 6-cyclohexyl-4-phenyl-pyran-2-one 4-Bromo-6-cyclohexyl-pyran-2-one (3.04 g, 11.8 mmol) was dissolved in dry THF (25 mL) and Pd (PPh 3 ) 4 (300 mg) was added. Then 0.5M solution of phenylzinc chloride (71 mL, 17.7 mmol) was added dropwise. After 1 hour, NH 4 Cl aqueous solution (20 mL) was added, and the mixed solution was extracted twice with ethyl acetate (100 mL). The extract was dried over MgSO 4 and filtered, and the filtrate was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 5: 1). Fractions containing product were combined and evaporated to give a white solid (2.15 g, 71%).
1H-NMR(CDCl3); δ = 7.58(m, 2H), 7.48(m, 3H), 6.75(d, 1H), 6.43(d, 1H), 3.33(m, 1H), 2.02-1.15(m, 10H).
MS(ESI); 255(M++1).
e)1−アミノ−6−シクロヘキシル−4−フェニル−1H−ピリジン−2−オンの合成
6−シクロヘキシル−4−フェニル−ピラン−2−オン(2.0g、7.874mmol)をエタノール(50mL)に溶かした。ヒドラジン水和物(4.0mL、78.74mmol)を滴下した後、溶液を間室温で10時間攪拌した。反応溶液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=50:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて乳白色固体(1.42g、68%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.58 (m, 2H), 7.48 (m, 3H), 6.75 (d, 1H), 6.43 (d, 1H), 3.33 (m, 1H), 2.02-1.15 ( m, 10H).
MS (ESI); 255 (M + +1).
e) Synthesis of 1-amino-6-cyclohexyl-4-phenyl-1H-pyridin-2-one 6-Cyclohexyl-4-phenyl-pyran-2-one (2.0 g, 7.874 mmol) was added to ethanol (50 mL). Dissolved in. After hydrazine hydrate (4.0 mL, 78.74 mmol) was added dropwise, the solution was stirred at room temperature for 10 hours. The reaction solution was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 50: 1). Fractions containing product were combined and evaporated to give a milky white solid (1.42 g, 68%).
1H-NMR(CDCl3); δ = 7.58(m, 2H), 7.48(m, 3H), 6.75(d, 1H), 6.43(d, 1H), 5.12(s, 2H), 3.33(m, 1H), 2.02-1.15(m, 10H).
MS(ESI); 269(M++1).
実施例2:1−アミノ−4,6−ビス(シクロヘキシル)−1H−ピリジン−2−オン(化合物2)の合成
a)4,6−ビス(シクロヘキシル)−ピラン−2−オンの合成
実施例1のd)と同様にして4−ブロモ−6−シクロヘキシル−ピラン−2−オン(840mg、3.27mmol)とシクロヘキシルジンククロリド(25mL、6.53mmol)を反応させて、標記化合物4,6−ビス(シクロヘキシル)−ピラン−2−オン(760mg、89%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.58 (m, 2H), 7.48 (m, 3H), 6.75 (d, 1H), 6.43 (d, 1H), 5.12 (s, 2H), 3.33 (m, 1H), 2.02-1.15 (m, 10H).
MS (ESI); 269 (M + +1).
Example 2: Synthesis of 1-amino-4,6-bis (cyclohexyl) -1H-pyridin-2-one (Compound 2)
a) Synthesis of 4,6-bis (cyclohexyl) -pyran-2-one 4-Bromo-6-cyclohexyl-pyran-2-one (840 mg, 3.27 mmol) and cyclohexyl as in d) of Example 1 Zinc chloride (25 mL, 6.53 mmol) was reacted to give the title compound 4,6-bis (cyclohexyl) -pyran-2-one (760 mg, 89%).
1H-NMR(CDC13); δ = 5.92(s, 1H), 5.84(s, 1H), 2.37-2.32(m, 1H), 2.25-2.20(m, 1H), 1.97-1.70(m, 10H), 1.43-1.19(m, 10H).
b)1−アミノ−4,6−ビス(シクロヘキシル)−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして4,6−ビス(シクロヘキシル)−ピラン−2−オン(160mg、0.615mmol)を反応させて、標記化合物1−アミノ−4,6−ビス(シクロヘキシル)−1H−ピリジン−2−オン(91mg、54%)を得た。
1 H-NMR (CDC1 3 ); δ = 5.92 (s, 1H), 5.84 (s, 1H), 2.37-2.32 (m, 1H), 2.25-2.20 (m, 1H), 1.97-1.70 (m, 10H ), 1.43-1.19 (m, 10H).
b) Synthesis of 1-amino-4,6-bis (cyclohexyl) -1H-pyridin-2-one 4,6-bis (cyclohexyl) -pyran-2-one (160 mg) in the same manner as in e) of Example 1. 0.615 mmol) to give the title compound 1-amino-4,6-bis (cyclohexyl) -1H-pyridin-2-one (91 mg, 54%).
1H-NMR(CDCl3); δ = 6.34(s, 1H), 5.93(s, 1H), 4.98(s, 2H), 3.19-3.08(m, 1H), 2.37-2.23(m, 1H), 1.98-1.65(m, 10H), 1.50-1.22(m,10H).
MS(ESI); 275(M++1), 549(2M++1).
実施例3:1−アミノ−6−シクロヘキシル−5−メチル−4−フェニル−1H−ピリジン−2−オン(化合物3)の合成
a)6−シクロヘキシル−4−ヒドロキシ−5−メチル−ピラン−2−オンの合成
実施例1のa)と同様にしてシクロヘキサンカルボン酸メチルエステル(4.62g、32.5mmol)とエチルプロピオアセテート(5.15g、35.7mmol)を反応させて、標記化合物6−シクロヘキシル−4−ヒドロキシ−5−メチル−ピラン−2−オン(1.35g、20%)を得た。
1 H-NMR (CDCl 3 ); δ = 6.34 (s, 1H), 5.93 (s, 1H), 4.98 (s, 2H), 3.19-3.08 (m, 1H), 2.37-2.23 (m, 1H), 1.98-1.65 (m, 10H), 1.50-1.22 (m, 10H).
MS (ESI); 275 (M + +1), 549 (2M + +1).
Example 3: Synthesis of 1-amino-6-cyclohexyl-5-methyl-4-phenyl-1H-pyridin-2-one (compound 3)
a) Synthesis of 6-cyclohexyl-4-hydroxy-5-methyl-pyran-2-one Cyclohexanecarboxylic acid methyl ester (4.62 g, 32.5 mmol) and ethyl propioacetate as in a) of Example 1 (5.15 g, 35.7 mmol) was reacted to give the title compound 6-cyclohexyl-4-hydroxy-5-methyl-pyran-2-one (1.35 g, 20%).
1H-NMR(CDCl3); δ= 5.61(s, 1H), 2.73-2.66(m, 1H), 1.96(s, 3H), 1.85-1.26(m, 10H).
b)4−ブロモ−6−シクロヘキシル−5−メチル−ピラン−2−オンの合成
実施例1のc)と同様にして6−シクロヘキシル−4−ヒドロキシ−5−メチル−ピラン−2−オン(1.35g、6.48mmol)を反応させて、標記化合物4−ブロモ−6−シクロヘキシル−5−メチル−ピラン−2−オン(956mg、54%)を得た。
1 H-NMR (CDCl 3 ); δ = 5.61 (s, 1H), 2.73-2.66 (m, 1H), 1.96 (s, 3H), 1.85-1.26 (m, 10H).
b) Synthesis of 4-bromo-6-cyclohexyl-5-methyl-pyran-2-one In analogy to c) of Example 1, 6-cyclohexyl-4-hydroxy-5-methyl-pyran-2-one (1 .35 g, 6.48 mmol) to give the title compound 4-bromo-6-cyclohexyl-5-methyl-pyran-2-one (956 mg, 54%).
1H-NMR(CDCl3); δ = 6.57(s, 1H), 2.71-2.66(m, 1H), 2.13(s, 3H), 1.88-1.26(m, 10H).
c)6−シクロヘキシル−5−メチル−4−フェニル−ピラン−2−オンの合成
実施例1のd)と同様にして4−ブロモ−6−シクロヘキシル−5−メチル−ピラン−2−オン(940mg、3.47mmol)を反応させて、標記化合物6−シクロヘキシル−5−メチル−4−フェニル−ピラン−2−オン(360mg、39%)を得た。
1 H-NMR (CDCl 3 ); δ = 6.57 (s, 1H), 2.71-2.66 (m, 1H), 2.13 (s, 3H), 1.88-1.26 (m, 10H).
c) Synthesis of 6-cyclohexyl-5-methyl-4-phenyl-pyran-2-one 4-bromo-6-cyclohexyl-5-methyl-pyran-2-one (940 mg) as in d) of Example 1 3.47 mmol) to give the title compound 6-cyclohexyl-5-methyl-4-phenyl-pyran-2-one (360 mg, 39%).
1H-NMR(CDCl3); δ = 7.44-7.23(m, 5H), 6.06(s, 1H), 2.74-2.69(m, 1H), 1.86(s, 3H), 1.78-1.26(m, 10H).
d)1−アミノ−6−シクロヘキシル−5−メチル−4−フェニル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6-シクロヘキシル−5−メチル−4−フェニル−ピラン−2−オン(355mg、1.32mmol)を反応させて、標記化合物1−アミノ−6−シクロヘキシル−5−メチル−4−フェニル−1H−ピリジン−2−オン(191mg、51%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.44-7.23 (m, 5H), 6.06 (s, 1H), 2.74-2.69 (m, 1H), 1.86 (s, 3H), 1.78-1.26 (m, 10H ).
d) Synthesis of 1-amino-6-cyclohexyl-5-methyl-4-phenyl-1H-pyridin-2-one In the same manner as in e) of Example 1, 6-cyclohexyl-5-methyl-4-phenyl-pyran. 2-one (355 mg, 1.32 mmol) was reacted to give the title compound 1-amino-6-cyclohexyl-5-methyl-4-phenyl-1H-pyridin-2-one (191 mg, 51%). .
1H-NMR(CDC13); δ = 7.52-7.42(m, 5H), 6.18(s, 1H), 3.36-3.32(m, 1H), 2.04-1.11(m, 10H), 1.58(s, 3H).
MS(ESI); 283(M++1).
実施例4:1−アミノ−6−シクロヘキシル−3−メチル−4−フェニル−1H−ピリジン−2−オン(化合物4)の合成
a)6−シクロヘキシル−4−ヒドロキシ−3−メチル−ピラン−2−オンの合成
60%−NaH(4.65g、0.116mol)をDME(70mL)に懸濁した後、還流下、70℃に加熱した。次いで、シクロヘキサンカルボン酸メチルエステル(5.00g、0.0352mol)と2−メチル−3−オキソ−酪酸エチルエステル(90%、6.20g、0.0387mol)をDME(30m1)に希釈した溶液を45分にわたって加えた後、還流下に18時間加熱した。得られた溶液を室温に冷却し、減圧下で溶媒を除去した。水(50mL)を加え、得られた溶液を2時間攪拌した。2N HClを加えて酸性化し、続いて酢酸エチル(50mL×2)で抽出し、得られた有機層を飽和食塩水(50mL)で洗浄した。有機層をMgSO4で乾燥した後、濾過し、減圧下濃縮した。得られた残渣を酢酸エチル/n−ヘキサンにて再結晶化して白色固体(4.80g、66%)を得た。
1 H-NMR (CDC1 3 ); δ = 7.52-7.42 (m, 5H), 6.18 (s, 1H), 3.36-3.32 (m, 1H), 2.04-1.11 (m, 10H), 1.58 (s, 3H ).
MS (ESI); 283 (M + +1).
Example 4: Synthesis of 1-amino-6-cyclohexyl-3-methyl-4-phenyl-1H-pyridin-2-one (compound 4)
a) Synthesis of 6-cyclohexyl-4-hydroxy-3-methyl-pyran-2-one 60% -NaH (4.65 g, 0.116 mol) was suspended in DME (70 mL) and then refluxed at 70 ° C. Heated. Next, a solution obtained by diluting cyclohexanecarboxylic acid methyl ester (5.00 g, 0.0352 mol) and 2-methyl-3-oxo-butyric acid ethyl ester (90%, 6.20 g, 0.0387 mol) in DME (30 ml) was prepared. After addition over 45 minutes, it was heated at reflux for 18 hours. The resulting solution was cooled to room temperature and the solvent was removed under reduced pressure. Water (50 mL) was added and the resulting solution was stirred for 2 hours. 2N HCl was added for acidification, followed by extraction with ethyl acetate (50 mL × 2), and the resulting organic layer was washed with saturated brine (50 mL). The organic layer was dried over MgSO 4 , filtered and concentrated under reduced pressure. The obtained residue was recrystallized from ethyl acetate / n-hexane to obtain a white solid (4.80 g, 66%).
1H-NMR(CDCl3); δ = 8.46(brs, 1H), 6.02(s, 1H), 2.35(m, 1H), 1.96(s, 3H), 1.90-1.15(m, 10H).
MS = 209[M+H], 231[M+Na].
b)4−ブロモ−6−シクロヘキシル−3−メチル−ピラン−2−オンの合成
6−シクロヘキシル−4−ヒドロキシ−3−メチル−ピラン−2−オン(1.93g、0.00927mol)を実施例1のc)と同様にして反応させて、白色固体(1.89g、75%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.46 (brs, 1H), 6.02 (s, 1H), 2.35 (m, 1H), 1.96 (s, 3H), 1.90-1.15 (m, 10H).
MS = 209 [M + H], 231 [M + Na].
b) Synthesis of 4-bromo-6-cyclohexyl-3-methyl-pyran-2-one 6-cyclohexyl-4-hydroxy-3-methyl-pyran-2-one (1.93 g, 0.00927 mol) Reaction was carried out in the same manner as in 1) c) to obtain a white solid (1.89 g, 75%).
1H-NMR(CDCl3); δ = 6.14(s, 1H), 2.40(m, 1H), 2.04(s, 3H), 1.95-1.20(m, 10H).
c)6−シクロヘキシル−3−メチル−4−フェニル−ピラン−2−オンの合成
4−ブロモ−6−シクロヘキシル−3−メチル−ピラン−2−オン(1.00g、3.69mmol)を実施例1のd)と同様にして反応させて、乳白色カラメル様物質(0.55g、56%)を得た。
1 H-NMR (CDCl 3 ); δ = 6.14 (s, 1H), 2.40 (m, 1H), 2.04 (s, 3H), 1.95-1.20 (m, 10H).
c) Synthesis of 6-cyclohexyl-3-methyl-4-phenyl-pyran-2-one 4-Bromo-6-cyclohexyl-3-methyl-pyran-2-one (1.00 g, 3.69 mmol) was Reaction was carried out in the same manner as d) of 1 to obtain a milky white caramel-like substance (0.55 g, 56%).
1H-NMR(CDCl3); δ= 7.40(m, 4H), 7.30(m, 2H), 5.92(s, 1H), 2.40(m, 1H), 2.04(s, 3H), 1.98-1.70(m, 4H), 1.46-1.20(m, 6H).
d)1−アミノ−6−シクロヘキシル−3−メチル−4−フェニル−1H−ピリジン−2−オンの合成
6−シクロヘキシル−3−メチル−4−フェニル−ピラン−2−オン(0.54g、2.01mmol)を実施例1のe)と同様にして反応させて、白色固体(0.40g、70%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.40 (m, 4H), 7.30 (m, 2H), 5.92 (s, 1H), 2.40 (m, 1H), 2.04 (s, 3H), 1.98-1.70 ( m, 4H), 1.46-1.20 (m, 6H).
d) Synthesis of 1-amino-6-cyclohexyl-3-methyl-4-phenyl-1H-pyridin-2-one 6-cyclohexyl-3-methyl-4-phenyl-pyran-2-one (0.54 g, 2 .01 mmol) was reacted in the same manner as e) of Example 1 to give a white solid (0.40 g, 70%).
1H-NMR(CDCl3); δ =7.38(m, 4H), 7.26(m, 2H), 6.00(s, 1H), 5.16(s, 2H), 3.16(m, 1H), 2.08(s, 3H), 1.99-1.74(m, 4H), 1.50-1.20(m, 6H).
MS = 283[M+H], 565[2M+H].
実施例5:1−アミノ−6−(2−メトキシ−フェニル)−4−フェニル−1H−ピリジン−2−オン(化合物5)の合成
a)5−(2−メトキシ−フェニル)−3,5−ジオキソ−ペンタン酸の合成
実施例1のa)と同様にして2−メトキシ安息香酸エチルエステル(5g、0.03mol)と3−オキソ−酪酸エチルエステル(2g、0.015mol)を反応させて、標記化合物5−(2−メトキシ−フェニル)−3,5−ジオキソ−ペンタン酸(2.1g、60%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.38 (m, 4H), 7.26 (m, 2H), 6.00 (s, 1H), 5.16 (s, 2H), 3.16 (m, 1H), 2.08 (s, 3H), 1.99-1.74 (m, 4H), 1.50-1.20 (m, 6H).
MS = 283 [M + H], 565 [2M + H].
Example 5: Synthesis of 1-amino-6- (2-methoxy-phenyl) -4-phenyl-1H-pyridin-2-one (Compound 5)
a) Synthesis of 5- (2-methoxy-phenyl) -3,5-dioxo-pentanoic acid In the same manner as in a) of Example 1, 2-methoxybenzoic acid ethyl ester (5 g, 0.03 mol) and 3-oxo -Butyric acid ethyl ester (2 g, 0.015 mol) was reacted to give the title compound 5- (2-methoxy-phenyl) -3,5-dioxo-pentanoic acid (2.1 g, 60%).
1H-NMR(CDCl3); δ = 7.5-7.0(m, 4H), 6.4(s, 1H), 3.84(s, 3H), 3.5(s, 2H).
b)4−ヒドロキシ−6−(2−メトキシ−フェニル)−ピラン−2−オンの合成
実施例1のb)と同様にして5−(2−メトキシ−フェニル)−3,5−ジオキソ−ペンタン酸(2g、8.474mmol)を反応させて、標記化合物4−ヒドロキシ−6−(2−メトキシ−フェニル)ピラン−2−オン(1.7g、92%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.5-7.0 (m, 4H), 6.4 (s, 1H), 3.84 (s, 3H), 3.5 (s, 2H).
b) Synthesis of 4-hydroxy-6- (2-methoxy-phenyl) -pyran-2-one 5- (2-methoxy-phenyl) -3,5-dioxo-pentane as in b) of Example 1. The acid (2 g, 8.474 mmol) was reacted to give the title compound 4-hydroxy-6- (2-methoxy-phenyl) pyran-2-one (1.7 g, 92%).
1H-NMR(CDCl3); δ = 7.92(dd, 1H), 7.46(m, 1H), 7.01(m, 3H), 5.5(d, 1H), 3.94(s, 3H).
c)4−ブロモ−6−(2−メトキシ−フェニル)−ピラン−2−オンの合成
実施例1のc)と同様にして4−ヒドロキシ−6−(2−メトキシ−フェニル)ピラン−2−オン(300mg、1.376mmol)を反応させて、標記化合物4−ブロモ−6−(2−メトキシ−フェニル)−ピラン−2−オン(281mg、46%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.92 (dd, 1H), 7.46 (m, 1H), 7.01 (m, 3H), 5.5 (d, 1H), 3.94 (s, 3H).
c) Synthesis of 4-bromo-6- (2-methoxy-phenyl) -pyran-2-one In the same manner as c) of Example 1, 4-hydroxy-6- (2-methoxy-phenyl) pyran-2- On (300 mg, 1.376 mmol) was reacted to give the title compound 4-bromo-6- (2-methoxy-phenyl) -pyran-2-one (281 mg, 46%).
1H-NMR(CDCl3); δ = 7.96(dd, 1H), 7.45(m, 1H), 7.33(d, 1H), 7.00(m, 2H), 6.55(d, 1H), 3.94(s, 3H).
d)6−(2−メトキシ−フェニル)−ピラン−2−オンの合成
実施例1のd)と同様にして4−ブロモ−6−(2−メトキシ−フェニル)ピラン−2−オン(147mg、0.523mmol)を反応させて、標記化合物6−(2−メトキシ−フェニル)−ピラン−2−オン(72mg、50%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.96 (dd, 1H), 7.45 (m, 1H), 7.33 (d, 1H), 7.00 (m, 2H), 6.55 (d, 1H), 3.94 (s, 3H).
d) Synthesis of 6- (2-methoxy-phenyl) -pyran-2-one 4-Bromo-6- (2-methoxy-phenyl) pyran-2-one (147 mg, as in d) of Example 1 0.523 mmol) was reacted to give the title compound 6- (2-methoxy-phenyl) -pyran-2-one (72 mg, 50%).
1H-NMR(CDCl3); δ = 8.1-6.9(m, 9H), 7.4(d, 1H), 6.48(d, 1H), 3.99(s, 3H).
e)1−アミノ−6−(2−メトキシ−フェニル)−4−フェニル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−(2−メトキシ−フェニル)ピラン−2−オン(70mg、0.25mmol)を反応させて、標記化合物1−アミノ−6−(2−メトキシ−フェニル)−4−フェニル−1H−ピリジン−2−オン(36mg、48%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.1-6.9 (m, 9H), 7.4 (d, 1H), 6.48 (d, 1H), 3.99 (s, 3H).
e) Synthesis of 1-amino-6- (2-methoxy-phenyl) -4-phenyl-1H-pyridin-2-one In the same manner as in e) of Example 1, 6- (2-methoxy-phenyl) pyran- 2-one (70 mg, 0.25 mmol) is reacted to give the title compound 1-amino-6- (2-methoxy-phenyl) -4-phenyl-1H-pyridin-2-one (36 mg, 48%). It was.
1H-NMR(CDCl3); δ = 7.70-6.80(m, 10H), 6.40(m, 1H), 5.62(s, 2H), 3.94(s, 3H).
MS(ESI); 293(M++1).
実施例6:1−アミノ−6−(3−メトキシ−フェニル)−4−フェニル−1H−ピリジン−2−オン(化合物6)の合成
a)5−(3−メトキシ−フェニル)−3,5−ジオキソ−ペンタン酸の合成
実施例1のa)と同様にして3−メトキシ−安息香酸エチルエステル(5g、0.03mol)を反応させて、標記化合物5−(3−メトキシ−フェニル)−3,5−ジオキソ−ペンタン酸(2.3g、65%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.70-6.80 (m, 10H), 6.40 (m, 1H), 5.62 (s, 2H), 3.94 (s, 3H).
MS (ESI); 293 (M + +1).
Example 6: Synthesis of 1-amino-6- (3-methoxy-phenyl) -4-phenyl-1H-pyridin-2-one (Compound 6)
a) Synthesis of 5- (3-methoxy-phenyl) -3,5-dioxo-pentanoic acid In the same manner as in a) of Example 1, 3-methoxy-benzoic acid ethyl ester (5 g, 0.03 mol) was reacted. The title compound 5- (3-methoxy-phenyl) -3,5-dioxo-pentanoic acid (2.3 g, 65%) was obtained.
1H-NMR(CDCl3); δ = 7.50-7.00(m, 4H), 6.24(s, 1H), 3.87(s, 3H), 3.52(s, 2H).
b)4−ヒドロキシ−6−(3−メトキシ−フェニル)−ピラン−2−オンの合成
実施例1のb)と同様にして5−(3−メトキシ−フェニル)−3,5−ジオキソ−ペンタン酸(900mg、3.81mmol)を反応させて、標記化合物4−ヒドロキシ−6−(3−メトキシ−フェニル)ピラン−2−オン(760mg、91%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.50-7.00 (m, 4H), 6.24 (s, 1H), 3.87 (s, 3H), 3.52 (s, 2H).
b) Synthesis of 4-hydroxy-6- (3-methoxy-phenyl) -pyran-2-one 5- (3-methoxy-phenyl) -3,5-dioxo-pentane as in b) of Example 1. The acid (900 mg, 3.81 mmol) was reacted to give the title compound 4-hydroxy-6- (3-methoxy-phenyl) pyran-2-one (760 mg, 91%).
1H-NMR(CDCl3); δ = 7.4(m, 3H), 7.06(m, 1H), 6.63(d, 1H), 6.37(d, 1H), 3.88(s, 3H).
c)6−(3−メトキシ−フェニル)−4−フェニル−ピラン−2−オンの合成
実施例1のc)と同様にして4−ヒドロキシ−6−(3−メトキシ−フェニル)ピラン−2−オン(300mg、1.376mmol)を反応させて、標記化合物4−ブロモ−6−(3−メトキシ−フェニル)−ピラン−2−オン(138mg、36%)を得た。次いで、実施例1のd)と同様にして4−ブロモ−6−(3−メトキシ−フェニル)−ピラン−2−オン(124mg、0.441mmol)を反応させて、標記化合物6−(3−メトキシ−フェニル)−4−フェニル−ピラン−2−オン(86mg、70%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.4 (m, 3H), 7.06 (m, 1H), 6.63 (d, 1H), 6.37 (d, 1H), 3.88 (s, 3H).
c) Synthesis of 6- (3-methoxy-phenyl) -4-phenyl-pyran-2-one 4-hydroxy-6- (3-methoxy-phenyl) pyran-2-one in the same manner as c) of Example 1. On (300 mg, 1.376 mmol) was reacted to give the title compound 4-bromo-6- (3-methoxy-phenyl) -pyran-2-one (138 mg, 36%). Then, 4-bromo-6- (3-methoxy-phenyl) -pyran-2-one (124 mg, 0.441 mmol) was reacted in the same manner as in Example 1 d) to give the title compound 6- (3- Methoxy-phenyl) -4-phenyl-pyran-2-one (86 mg, 70%) was obtained.
1H-NMR(CDCl3); δ = 7.7-7.3(m, 9H), 6.95(d, 1H), 6.49(d, 1H), 3.9(s,3H).
d)1−アミノ−6−(3−メトキシ−フェニル)−4−フェニル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−(3−メトキシ−フェニル)−4−フェニル−ピラン−2−オン(125mg、0.449mmol)を反応させて、標記化合物1−アミノ−6−(3−メトキシ−フェニル)−4−フェニル−1H−ピリジン−2−オン(88mg、68%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.7-7.3 (m, 9H), 6.95 (d, 1H), 6.49 (d, 1H), 3.9 (s, 3H).
d) Synthesis of 1-amino-6- (3-methoxy-phenyl) -4-phenyl-1H-pyridin-2-one 6- (3-methoxy-phenyl) -4 in the same manner as in e) of Example 1. -Phenyl-pyran-2-one (125 mg, 0.449 mmol) was reacted to give the title compound 1-amino-6- (3-methoxy-phenyl) -4-phenyl-1H-pyridin-2-one (88 mg, 68%).
1H-NMR(CDCl3); δ = 7.65-7.0(m, 9H), 6.88(d, 1H), 6.49(d, 1H), 5.38(s, 2H), 3.89(s, 3H).
MS(ESI); 293(M++1).
実施例7:1−アミノ−6−(4−フルオロ−フェニル)−4−フェニル−1H−ピリジン−2−オン(化合物7)の合成
a)5−(4−フルオロ−フェニル)−3,5−ジオキソ−ペンタン酸の合成
実施例1のa)、b)、c)、d)と同様にして順番に実施して、4−フルオロ−安息香酸エチルエステルから標記化合物6−(4−フルオロ−フェニル)−4−フェニル−ピラン−2−オンを得た。
1 H-NMR (CDCl 3 ); δ = 7.65-7.0 (m, 9H), 6.88 (d, 1H), 6.49 (d, 1H), 5.38 (s, 2H), 3.89 (s, 3H).
MS (ESI); 293 (M + +1).
Example 7: Synthesis of 1-amino-6- (4-fluoro-phenyl) -4-phenyl-1H-pyridin-2-one (Compound 7)
a) Synthesis of 5- (4-fluoro-phenyl) -3,5-dioxo-pentanoic acid -The title compound 6- (4-fluoro-phenyl) -4-phenyl-pyran-2-one was obtained from ethyl benzoate.
1H-NMR(CDCl3); δ = 7.92(m, 2H), 7.63(m, 2H), 7.50(m, 3H), 7.16(m, 2H), 6.94(d, 1H), 6.44(d, 1H).
MS(ESI); 267(M++1).
b)1−アミノ−6−(4−フルオロ−フェニル)−4−フェニル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−(4−フルオロ−フェニル)−4−フェニル−ピラン−2−オン(18mg、0.067mmol)を反応させて、標記化合物1−アミノ−6−(4−フルオロ−フェニル)−4−フェニル−1H−ピリジン−2−オン(12mg、64%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.92 (m, 2H), 7.63 (m, 2H), 7.50 (m, 3H), 7.16 (m, 2H), 6.94 (d, 1H), 6.44 (d, 1H).
MS (ESI); 267 (M + +1).
b) Synthesis of 1-amino-6- (4-fluoro-phenyl) -4-phenyl-1H-pyridin-2-one 6- (4-Fluoro-phenyl) -4 in the same manner as e) of Example 1. -Phenyl-pyran-2-one (18 mg, 0.067 mmol) was reacted to give the title compound 1-amino-6- (4-fluoro-phenyl) -4-phenyl-1H-pyridin-2-one (12 mg, 64%).
1H-NMR(CDCl3); δ = 7.60(m, 4H), 7.46(m, 3H), 7.14(m, 2H), 6.89(d, 1H), 6.45(d, 1H), 5.20(s, 2H).
MS(ESI); 281(M++1).
実施例8:1−アミノ−6−(3,4−ジメトキシ−フェニル)−4−フェニル−1H−ピリジン−2−オン(化合物8)の合成
a)4−ブロモ−6−(3,4−ジメトキシ−フェニル)−ピラン−2−オンの合成
実施例1のa)、b)、c)と同様にして順番に実施して3,4−ジメトキシ−安息香酸エチルエステルから標記化合物4−ブロモ−6−(3,4−ジメトキシ−フェニル)−ピラン−2−オンを得た。
1 H-NMR (CDCl 3 ); δ = 7.60 (m, 4H), 7.46 (m, 3H), 7.14 (m, 2H), 6.89 (d, 1H), 6.45 (d, 1H), 5.20 (s, 2H).
MS (ESI); 281 (M + +1).
Example 8: Synthesis of 1-amino-6- (3,4-dimethoxy-phenyl) -4-phenyl-1H-pyridin-2-one (Compound 8)
a) Synthesis of 4-bromo-6- (3,4-dimethoxy-phenyl) -pyran-2-one In the same manner as in Example 1, a), b), c) The title compound 4-bromo-6- (3,4-dimethoxy-phenyl) -pyran-2-one was obtained from dimethoxy-benzoic acid ethyl ester.
1H-NMR(CDCl3); δ = 7.43(d, 1H), 7.24(m, 1H), 6.65-6.41(m, 3H), 3.93(s, 3H), 3.84(s, 3H).
b)6−(3,4−ジメトキシ−フェニル)−4−フェニル−ピラン−2−オンの合成
実施例1の d)と同様にして4−ブロモ−6−(3,4−ジメトキシ−フェニル)−ピラン−2−オン(30mg、0.096mmol)を反応させて、標記化合物6−(3,4−ジメトキシ−フェニル)−4−フェニル−ピラン−2−オン(24mg、81%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.43 (d, 1H), 7.24 (m, 1H), 6.65-6.41 (m, 3H), 3.93 (s, 3H), 3.84 (s, 3H).
b) Synthesis of 6- (3,4-dimethoxy-phenyl) -4-phenyl-pyran-2-one 4-Bromo-6- (3,4-dimethoxy-phenyl) in the same manner as d) in Example 1. -Pyran-2-one (30 mg, 0.096 mmol) was reacted to give the title compound 6- (3,4-dimethoxy-phenyl) -4-phenyl-pyran-2-one (24 mg, 81%). .
1H-NMR(CDCl3); δ = 7.99(d, 1H), 7.63(m, 2H), 7.52(m, 3H), 7.36(d, 1H), 6.63(dd, 1H), 6.56(d, 1H), 6.48(d, 1H), 3.95(s, 3H), 3.89(s, 3H).
MS(ESI); 309(M++1).
c)1−アミノ−6−(3,4−ジメトキシ−フェニル)−4−フェニル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−(3,4−ジメトキシ−フェニル)−4−フェニル−ピラン−2−オン(20mg、0.064mmol)を反応させて、標記化合物1−アミノ−6−(3,4−ジメトキシ−フェニル)−4−フェニル−1H−ピリジン−2−オン(16mg、75%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.99 (d, 1H), 7.63 (m, 2H), 7.52 (m, 3H), 7.36 (d, 1H), 6.63 (dd, 1H), 6.56 (d, 1H), 6.48 (d, 1H), 3.95 (s, 3H), 3.89 (s, 3H).
MS (ESI); 309 (M + +1).
c) Synthesis of 1-amino-6- (3,4-dimethoxy-phenyl) -4-phenyl-1H-pyridin-2-one In the same manner as in e) of Example 1, 6- (3,4-dimethoxy- Phenyl) -4-phenyl-pyran-2-one (20 mg, 0.064 mmol) was reacted to give the title compound 1-amino-6- (3,4-dimethoxy-phenyl) -4-phenyl-1H-pyridine- 2-one (16 mg, 75%) was obtained.
1H-NMR(CDCl3); δ = 7.7-7.3(m, 5H), 6.89(d, 1H), 6.6(m, 2H), 6.43(d, 1H), 5.2(s, 2H), 3.78(s, 6H).
MS(ESI); 323(M++1).
実施例9:1−アミノ−4−フェニル−6−o−トイル−1H−ピリジン−2−オン(化合物9)の合成
a)4−ヒドロキシ−6−o−トイル−ピラン−2−オンの合成
実施例1のa)、b)と同様にして順番に実施して2−メトキシ−安息香酸エチルエステルから標記化合物4−ヒドロキシ−6−o−トイル−ピラン−2−オンを得た。
1 H-NMR (CDCl 3 ); δ = 7.7-7.3 (m, 5H), 6.89 (d, 1H), 6.6 (m, 2H), 6.43 (d, 1H), 5.2 (s, 2H), 3.78 ( s, 6H).
MS (ESI); 323 (M + +1).
Example 9: Synthesis of 1-amino-4-phenyl-6-o-toyl-1H-pyridin-2-one (Compound 9)
a) Synthesis of 4-hydroxy-6-o-toyl-pyran-2-one In the same manner as in a) and b) of Example 1, the title compound 4- Hydroxy-6-o-toyl-pyran-2-one was obtained.
1H-NMR(CDCl3); δ = 7.6-7.2(m, 4H), 6.45(s, 2H), 2.5(s, 3H).
b)4−ブロモ−6−o−トイル−ピラン−2−オンの合成
実施例1のc)と同様にして4−ヒドロキシ−6−o−トイル−ピラン−2−オン(546mg、2.698mmol)を反応させて、標記化合物4−ブロモ−6−o−トイル−ピラン−2−オン(300mg、40%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.6-7.2 (m, 4H), 6.45 (s, 2H), 2.5 (s, 3H).
b) Synthesis of 4-bromo-6-o-toyl-pyran-2-one 4-hydroxy-6-o-toyl-pyran-2-one (546 mg, 2.698 mmol) as in c) of Example 1. ) To give the title compound 4-bromo-6-o-toyl-pyran-2-one (300 mg, 40%).
1H-NMR(CDCl3); δ = 7.93(dd, 1H), 7.45(m, 1H), 7.33(d, 1H), 7.05(m, 2H), 6.54(d, 1H), 3.98(s, 3H).
c)4−フェニル−6−o−トイル−ピラン−2−オンの合成
実施例1のd)と同様にして4−ブロモ−6−o−トイル−ピラン−2−オン(210mg、0.795mmol)を反応させて、標記化合物4−フェニル−6−o−トイル−ピラン−2−オン(147mg、71%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.93 (dd, 1H), 7.45 (m, 1H), 7.33 (d, 1H), 7.05 (m, 2H), 6.54 (d, 1H), 3.98 (s, 3H).
c) Synthesis of 4-phenyl-6-o -toyl-pyran-2-one 4-Bromo-6-o-toyl-pyran-2-one (210 mg, 0.795 mmol) as in d) of Example 1. ) To give the title compound 4-phenyl-6-o-toyl-pyran-2-one (147 mg, 71%).
1H-NMR(CDCl3); δ = 7.7-6.8(m, 9H), 6.63(d, 1H), 6.5(d, 1H), 2.53(s, 3H).
MS(ESI); 263(M++1).
d)1−アミノ−4−フェニル−6−o−トイル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして4−フェニル−6−o−トイル−ピラン−2−オン(200mg、0.763mmol)を反応させて、標記化合物1−アミノ−4−フェニル−6−o−トイル−1H−ピリジン−2−オン(102mg、48%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.7-6.8 (m, 9H), 6.63 (d, 1H), 6.5 (d, 1H), 2.53 (s, 3H).
MS (ESI); 263 (M + +1).
d) Synthesis of 1-amino-4-phenyl-6-o-toyl-1H-pyridin-2-one 4-phenyl-6-o-toyl-pyran-2-one as in e) of Example 1 (200 mg, 0.763 mmol) was reacted to give the title compound 1-amino-4-phenyl-6-o-toyl-1H-pyridin-2-one (102 mg, 48%).
1H-NMR(CDCl3); δ = 7.7-7.2(m, 9H), 6.92(d, 1H), 6.43(d, 1H), 5.24(s, 2H), 2.3(s, 3H).
MS(ESI); 277(M++1).
実施例10:1−アミノ−6−シクロプロピル−4−フェニル−1H−ピリジン−2−オン(化合物10)の合成
a)5−シクロプロピル−3,5−ジオキソ−ペンタン酸の合成
実施例1のa)と同様にしてシクロプロパンカルボン酸メチルエステル(5g、49.9mmol)を反応させて、標記化合物5−シクロプロピル−3,5−ジオキソ−ペンタン酸(4.5g、53%)を得た.
1H-NMR(CDCl3); δ = 5.74(s, 1H), 3.38(s, 2H), 1.67-1.62(m, 1H), 1.19-0.97(m, 4H).
b)4−ブロモ−6−シクロプロピル−ピラン−2−オンの合成
実施例1のb)と同様にして5−シクロプロピル−3,5−ジオキソ−ペンタン酸(4.5g、26.4mmol)を反応させて、中間体6−シクロプロピル−4−ヒドロキシ−ピラン−2−オン(3.04g、76%)を得た。次ぎに、実施例1のc)と同様にして反応させて標記化合物4−ブロモ−6−シクロプロピル−ピラン−2−オン(2.47g、58%)得た。
1 H-NMR (CDCl 3 ); δ = 7.7-7.2 (m, 9H), 6.92 (d, 1H), 6.43 (d, 1H), 5.24 (s, 2H), 2.3 (s, 3H).
MS (ESI); 277 (M + +1).
Example 10: Synthesis of 1-amino-6-cyclopropyl-4-phenyl-1H-pyridin-2-one (Compound 10)
a) Synthesis of 5-cyclopropyl-3,5-dioxo-pentanoic acid Cyclopropanecarboxylic acid methyl ester (5 g, 49.9 mmol) was reacted in the same manner as in a) of Example 1 to give the title compound 5-cyclo Propyl-3,5-dioxo-pentanoic acid (4.5 g, 53%) was obtained.
1 H-NMR (CDCl 3 ); δ = 5.74 (s, 1H), 3.38 (s, 2H), 1.67-1.62 (m, 1H), 1.19-0.97 (m, 4H).
b) Synthesis of 4-bromo-6-cyclopropyl-pyran-2-one 5-cyclopropyl-3,5-dioxo-pentanoic acid (4.5 g, 26.4 mmol) as in b) of Example 1. To give the intermediate 6-cyclopropyl-4-hydroxy-pyran-2-one (3.04 g, 76%). Then, the reaction was carried out in the same manner as in Example 1 c) to obtain the title compound 4-bromo-6-cyclopropyl-pyran-2-one (2.47 g, 58%).
1H-NMR(CDC13); δ = 6.37(d, 1H, J=1.5Hz), 6.25(s, 1H), 1.79-1.70(m, 1H), 1.16-0.99(m, 4H).
c)6−シクロプロピル−4−フェニル−ピラン−2−オンの合成
実施例1のd)と同様にして4−ブロモ−6−シクロプロピル−ピラン−2−オン(700mg、3.26mmol)を反応させて、標記化合物6−シクロプロピル−4−フェニル−ピラン−2−オン(540mg、78%)を得た。
1 H-NMR (CDC1 3 ); δ = 6.37 (d, 1H, J = 1.5 Hz), 6.25 (s, 1H), 1.79-1.70 (m, 1H), 1.16-0.99 (m, 4H).
c) Synthesis of 6-cyclopropyl-4-phenyl-pyran-2-one 4-bromo-6-cyclopropyl-pyran-2-one (700 mg, 3.26 mmol) was prepared in the same manner as d) of Example 1. Reaction gave the title compound 6-cyclopropyl-4-phenyl-pyran-2-one (540 mg, 78%).
1H-NMR(CDCl3); δ = 7.59-7.56(m, 2H), 7.50-7.46(m, 3H), 6.36(d, 1H, J=1.9Hz), 6.28(d, 1H, J=1.4Hz), 1.89-1.82(m, 1H), 1.18-0.99(m, 4H).
d)1−アミノ−6−シクロプロピル−4−フェニル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−シクロプロピル−4−フェニル−ピラン−2−オン(160mg、0.754mmol)を反応させて、標記化合物1−アミノ−6−シクロプロピル−4−フェニル−1H−ピリジン−2−オン(114mg、67%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.59-7.56 (m, 2H), 7.50-7.46 (m, 3H), 6.36 (d, 1H, J = 1.9Hz), 6.28 (d, 1H, J = 1.4 Hz), 1.89-1.82 (m, 1H), 1.18-0.99 (m, 4H).
d) Synthesis of 1-amino-6-cyclopropyl-4-phenyl-1H-pyridin-2-one 6-cyclopropyl-4-phenyl-pyran-2-one (160 mg) as in e) of Example 1. , 0.754 mmol) to give the title compound 1-amino-6-cyclopropyl-4-phenyl-1H-pyridin-2-one (114 mg, 67%).
1H-NMR(CDCl3); δ = 7.55-7.41(m, 5H), 6.72(d, 1H, J=2.0Hz), 6.14(d, 1H, J=1.8Hz), 5.53(s, 2H), 2.37-2.31(m, 1H), 1.18-0.82(m, 4H).
MS(ESI); 227(M++1).
実施例11:1−アミノ−6−シクロペンチル−4−フェニル−1H−ピリジン−2−オン(化合物11)の合成
a)5−シクロペンチル−3,5−ジオキソ−ペンタン酸の合成
実施例1のa)と同様にしてシクロペンタンカルボン酸メチルエステル(10g、78.0mmol)を反応させて、標記化合物5−シクロペンチル−3,5−ジオキソ−ペンタン酸(6.35g、41%)を得た.
1H-NMR(CDCl3); δ = 5.62(s, 1H), 3.43(s, 2H), 2.74-2.65(m, 1H), 1.85-1.56(m, 8H).
b)6−シクロペンチル−4−ヒドロキシ−ピラン−2−オンの合成
実施例1のb)と同様にして5−シクロペンチル−3,5−ジオキソ−ペンタン酸(3.7g、18.7mmol)を反応させて、標記化合物6−シクロペンチル−4−ヒドロキシ−ピラン−2−オン(1.76g、52%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.55-7.41 (m, 5H), 6.72 (d, 1H, J = 2.0Hz), 6.14 (d, 1H, J = 1.8Hz), 5.53 (s, 2H) , 2.37-2.31 (m, 1H), 1.18-0.82 (m, 4H).
MS (ESI); 227 (M + +1).
Example 11: Synthesis of 1-amino-6-cyclopentyl-4-phenyl-1H-pyridin-2-one (Compound 11)
a) Synthesis of 5-cyclopentyl-3,5-dioxo-pentanoic acid In the same manner as in a) of Example 1, cyclopentanecarboxylic acid methyl ester (10 g, 78.0 mmol) was reacted to give the title compound 5-cyclopentyl- 3,5-Dioxo-pentanoic acid (6.35 g, 41%) was obtained.
1 H-NMR (CDCl 3 ); δ = 5.62 (s, 1H), 3.43 (s, 2H), 2.74-2.65 (m, 1H), 1.85-1.56 (m, 8H).
b) Synthesis of 6-cyclopentyl-4-hydroxy-pyran-2-one 5-cyclopentyl-3,5-dioxo-pentanoic acid (3.7 g, 18.7 mmol) was reacted in the same manner as b) of Example 1. To give the title compound 6-cyclopentyl-4-hydroxy-pyran-2-one (1.76 g, 52%).
1H-NMR(CDCl3); δ = 6.01(s, 1H), 5.56(s, 1H), 2.90-2.85(m, 1H), 1.99-1.94(m, 2H), 1.79-1.63(m, 8H).
c)4−ブロモ−6−シクロプロピル−ピラン−2−オンの合成
実施例1のc)と同様にして6−シクロペンチル−4−ヒドロキシ−ピラン−2−オン(1.25g、6.94mmol)を反応させて、標記化合物4−ブロモ−6−シクロペンチル−ピラン−2−オン(1.05g、62%)を得た。
1 H-NMR (CDCl 3 ); δ = 6.01 (s, 1H), 5.56 (s, 1H), 2.90-2.85 (m, 1H), 1.99-1.94 (m, 2H), 1.79-1.63 (m, 8H ).
c) Synthesis of 4-bromo-6-cyclopropyl-pyran-2-one 6-cyclopentyl-4-hydroxy-pyran-2-one (1.25 g, 6.94 mmol) as in c) of Example 1. To give the title compound 4-bromo-6-cyclopentyl-pyran-2-one (1.05 g, 62%).
1H-NMR(CDCl3); δ = 6.44(d, 1H, J=1.4Hz), 6.20(d, 1H, J=1.5Hz), 2.89-2.83(m, 1H), 2.02-1.63(m, 8H).
d)6−シクロペンチル−4−フェニル−ピラン−2−オンの合成
実施例1のd)と同様にして4−ブロモ−6−シクロペンチル−ピラン−2−オン(1g、4.11mmol)を反応させて、標記化合物6−シクロペンチル−4−フェニル−ピラン−2−オン(327mg、33%)を得た。
1 H-NMR (CDCl 3 ); δ = 6.44 (d, 1H, J = 1.4Hz), 6.20 (d, 1H, J = 1.5Hz), 2.89-2.83 (m, 1H), 2.02-1.63 (m, 8H).
d) Synthesis of 6-cyclopentyl-4-phenyl-pyran-2-one 4-bromo-6-cyclopentyl-pyran-2-one (1 g, 4.11 mmol) was reacted in the same manner as d) of Example 1. To give the title compound 6-cyclopentyl-4-phenyl-pyran-2-one (327 mg, 33%).
1H-NMR(CDCl3); δ = 7.59-7.47(m, 5H), 6.36-6.32(m, 2H), 2.98-2.93(m, 1H), 2.07-1.70(m, 8H).
e)1−アミノ−6−シクロペンチル−4−フェニル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−シクロペンチル−4−フェニル−ピラン−2−オン(320mg、1.33mmol)を反応させて、標記化合物1−アミノ−6−シクロペンチル−4−フェニル−1H−ピリジン−2−オン(176mg、52%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.59-7.47 (m, 5H), 6.36-6.32 (m, 2H), 2.98-2.93 (m, 1H), 2.07-1.70 (m, 8H).
e) Synthesis of 1-amino-6-cyclopentyl-4-phenyl-1H-pyridin-2-one Analogously to e) of Example 1, 6-cyclopentyl-4-phenyl-pyran-2-one (320 mg, 1 .33 mmol) to give the title compound 1-amino-6-cyclopentyl-4-phenyl-1H-pyridin-2-one (176 mg, 52%).
1H-NMR(CDCl3); δ = 7.58-7.43(m, 5H), 6.72(d, 1H, J=2.0Hz), 6.38(d, 1H, J=1.8Hz), 5.15(s, 2H), 3.62-3.57(m, 1H), 2.18-2.15(m, 2H), 1.84-1.66(m, 6H).
MS(ESI); 255(M++1).
実施例12:1−アミノ−4−フェニル−6−(テトラヒドロピラン−4−イル)−1H−ピリジン−2−オン(化合物12)の合成
a)5−ヒドロキシ−3−オキソ−5−(テトラヒドロピラン−4−イル)−ペント−4−エン酸エチルエステルの合成
3−オキソ−酪酸エチルエステル(4.51g、0.0347mol)をジエチルエーテル(50mL)に溶かした後、−78℃に冷却した。得られた溶液に、リチウムジイソプロピルアミド(LDA:ヘキサン中2.0M、43.4mL、0.0868mol)とN,N,N’,N’−テトラメチルエチレンジアミン(4.03g、0.0347mol)をゆっくり滴下し、3時間にわたって0℃まで昇温しながら攪拌した。次いで、テトラヒドロ−ピラン−4−カルボン酸メチルエステル(5.00g、0.0347mol)をジエチルエーテル(50mL)に希釈した溶液をゆっくり滴下し、室温で18時間攪拌した。反応液に酢酸(5mL)を加えた後、室温で10分間攪拌した。次ぎに、沈殿固体を濾過し、乾燥して黄色固体(5.20g、62%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.58-7.43 (m, 5H), 6.72 (d, 1H, J = 2.0Hz), 6.38 (d, 1H, J = 1.8Hz), 5.15 (s, 2H) , 3.62-3.57 (m, 1H), 2.18-2.15 (m, 2H), 1.84-1.66 (m, 6H).
MS (ESI); 255 (M + +1).
Example 12: Synthesis of 1-amino-4-phenyl-6- (tetrahydropyran-4-yl) -1H-pyridin-2-one (Compound 12)
a) Synthesis of 5-hydroxy-3-oxo-5- (tetrahydropyran-4-yl) -pent -4-enoic acid ethyl ester 3-oxo-butyric acid ethyl ester (4.51 g, 0.0347 mol) was converted to diethyl ether (50 mL) and then cooled to -78 ° C. To the resulting solution was added lithium diisopropylamide (LDA: 2.0M in hexane, 43.4 mL, 0.0868 mol) and N, N, N ′, N′-tetramethylethylenediamine (4.03 g, 0.0347 mol). The solution was slowly added dropwise and stirred while raising the temperature to 0 ° C. over 3 hours. Next, a solution obtained by diluting tetrahydro-pyran-4-carboxylic acid methyl ester (5.00 g, 0.0347 mol) in diethyl ether (50 mL) was slowly added dropwise and stirred at room temperature for 18 hours. Acetic acid (5 mL) was added to the reaction solution, followed by stirring at room temperature for 10 minutes. The precipitated solid was then filtered and dried to give a yellow solid (5.20 g, 62%).
1H-NMR(CDCl3); δ = 5.62(s, 1H), 4.20(m, 2H), 4.02(m, 2H) 3.48-3.36(m, 4H), 2.46(m, 1H), 1.80-1.70(m, 4H), 1.28(m, 3H).
b)4−ヒドロキシ−3’,4’,5’,6’−テトラヒドロ−2’H−[2,4’]−ビピラニル−6−オンの合成
5−ヒドロキシ−3−オキソ−5−(テトラヒドロピラン−4−イル)−ペント−4−エン酸エチルエステル(2.50g、0.0103mol)を減圧下で150〜160℃に加熱し、30分間攪拌した。反応液を室温に冷却し、ジエチルエーテル(15mL)を加えた後、10分間攪拌した。次いで、沈殿固体を濾過し、ジエチルエーテルで洗浄して乾燥して黄色固体(1.24g、61%)を得た。
1 H-NMR (CDCl 3 ); δ = 5.62 (s, 1H), 4.20 (m, 2H), 4.02 (m, 2H) 3.48-3.36 (m, 4H), 2.46 (m, 1H), 1.80-1.70 (m, 4H), 1.28 (m, 3H).
b) Synthesis of 4-hydroxy-3 ′, 4 ′, 5 ′, 6′-tetrahydro-2′H- [2,4 ′]-bipyranyl-6-one 5-hydroxy-3-oxo-5- (tetrahydro Pyran-4-yl) -pent-4-enoic acid ethyl ester (2.50 g, 0.0103 mol) was heated to 150-160 ° C. under reduced pressure and stirred for 30 minutes. The reaction mixture was cooled to room temperature, diethyl ether (15 mL) was added, and the mixture was stirred for 10 min. The precipitated solid was then filtered, washed with diethyl ether and dried to give a yellow solid (1.24 g, 61%).
1H-NMR(CDCl3+DMSO-d6); δ = 5.80(s, 1H), 5.45(s, 1H), 4.02(m, 2H), 3.45(m, 2H), 2.60(m, 1H), 1.86-1.65(m, 4H).
c)4−ブロモ−3’,4’,5’,6’−テトラヒドロ−2’H−[2,4’]−ビピラニル−6−オンの合成
4−ヒドロキシ−3’,4’,5’,6’−テトラヒドロ−2’H−[2,4']−ビピラニル−6−オン(1.24g、6.32mmol)を実施例1のc)と同様にして反応させて、標記化合物を黄色固体(1.30g、79%)として得た。
1 H-NMR (CDCl 3 + DMSO-d 6 ); δ = 5.80 (s, 1H), 5.45 (s, 1H), 4.02 (m, 2H), 3.45 (m, 2H), 2.60 (m, 1H) , 1.86-1.65 (m, 4H).
c) Synthesis of 4- bromo-3 ′, 4 ′, 5 ′, 6′-tetrahydro-2′H- [2,4 ′]-bipyranyl-6-one 4-hydroxy-3 ′, 4 ′, 5 ′ , 6′-tetrahydro-2′H- [2,4 ′]-bipyranyl-6-one (1.24 g, 6.32 mmol) was reacted in the same manner as in Example 1 c) to give the title compound as yellow Obtained as a solid (1.30 g, 79%).
1H-NMR(CDCl3); δ = 6.50(s, 1H), 6.16(s, 1H), 4.06(m, 2H), 3.46(m, 2H), 2.68(m, 1H), 1.88-1.68(m, 4H).
d)4−フェニル−3’,4’,5’,6’−テトラヒドロ−2’H−[2,4’]−ビピラニル−6−オンの合成
4−ブロモ−3’,4’,5’,6’−テトラヒドロ−2’H−[2,4’]−ビピラニル−6−オン(1.25g、4.82mol)を実施例1のd)と同様にして反応させて、標記化合物を白色固体(0.57g、46%)として得た。
1 H-NMR (CDCl 3 ); δ = 6.50 (s, 1H), 6.16 (s, 1H), 4.06 (m, 2H), 3.46 (m, 2H), 2.68 (m, 1H), 1.88-1.68 ( m, 4H).
d) Synthesis of 4- phenyl-3 ′, 4 ′, 5 ′, 6′-tetrahydro-2′H- [2,4 ′]-bipyranyl-6-one 4-bromo-3 ′, 4 ′, 5 ′ , 6′-tetrahydro-2′H- [2,4 ′]-bipyranyl-6-one (1.25 g, 4.82 mol) was reacted in the same manner as d) of Example 1 to give the title compound in white Obtained as a solid (0.57 g, 46%).
1H-NMR(CDCl3); δ = 7.56-7.42(m, 5H), 6.38(s, 1H), 6.26(s, 1H), 4.06(m, 2H), 3.46(m, 2H), 2.72(m, 1H), 1.96-1.75(m, 4H).
e)1−アミノ−4−フェニル−6−(テトラヒドロ−ピラン−4−イル)−1H−ピリジン−2−オンの合成
4−フェニル−3’,4’,5’,6’−テトラヒドロ−2’H−[2,4’]−ビピラニル−6−オン(0.56g、2.18mmol)を実施例1のe)と同様にして反応させて、標記化合物を淡黄色固体(0.34g、58%)として得た。
1 H-NMR (CDCl 3 ); δ = 7.56-7.42 (m, 5H), 6.38 (s, 1H), 6.26 (s, 1H), 4.06 (m, 2H), 3.46 (m, 2H), 2.72 ( m, 1H), 1.96-1.75 (m, 4H).
e) Synthesis of 1-amino-4-phenyl-6- (tetrahydro-pyran-4-yl) -1H-pyridin-2-one 4-phenyl-3 ′, 4 ′, 5 ′, 6′-tetrahydro-2 'H- [2,4']-bipyranyl-6-one (0.56 g, 2.18 mmol) was reacted as in Example 1 e) to give the title compound as a pale yellow solid (0.34 g, 58%).
1H-NMR(CDCl3); δ = 7.56-7.42(m, 5H), 6.74(s, 1H), 6.32(s, 1H), 4.98(s, 2H), 4.10(m, 2H), 3.62-3.45(m, 3H), 1.95-1.72(m, 4H).
MS = 271[M+H], 293[M+Na].
実施例13:1−アミノ−6−(4−メトキシフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物13)の合成
a)4−ブロモ−6−(4−メトキシフェニル)−ピラン−2−オンの合成
4−ヒドロキシ−6−(4−メトキシフェニル)−ピラン−2−オン(0.50g、2.29mmol)を実施例1のc)と同様にして反応させて、標記化合物を黄色固体(0.38g、58%)として得た。
1 H-NMR (CDCl 3 ); δ = 7.56-7.42 (m, 5H), 6.74 (s, 1H), 6.32 (s, 1H), 4.98 (s, 2H), 4.10 (m, 2H), 3.62- 3.45 (m, 3H), 1.95-1.72 (m, 4H).
MS = 271 [M + H], 293 [M + Na].
Example 13: Synthesis of 1-amino-6- (4-methoxyphenyl) -4-phenyl-1H-pyridin-2-one (Compound 13)
a) Synthesis of 4-bromo-6- (4-methoxyphenyl) -pyran-2-one 4-hydroxy-6- (4-methoxyphenyl) -pyran-2-one (0.50 g, 2.29 mmol) Reaction as in Example 1 c) gave the title compound as a yellow solid (0.38 g, 58%).
1H-NMR(CDCl3); δ = 3.87(s, 3H), 6.49(d, 1H, J=1.7Hz), 6.72(d, 1H, J=1.7Hz), 6.94-6.99(m, 2H), 7.74-7.79(m, 2H).
b)6−(4−メトキシフェニル)−4−フェニル−ピラン−2−オンの合成
4−ブロモ−6−(4−メトキシフェニル)−ピラン−2−オン(0.18g、0.65mmol)を実施例1のd)と同様にして反応させて、標記化合物を黄色固体(0.18g、98%)として得た。
1 H-NMR (CDCl 3 ); δ = 3.87 (s, 3H), 6.49 (d, 1H, J = 1.7Hz), 6.72 (d, 1H, J = 1.7Hz), 6.94-6.99 (m, 2H) , 7.74-7.79 (m, 2H).
b) Synthesis of 6- (4-methoxyphenyl) -4-phenyl-pyran-2-one 4-Bromo-6- (4-methoxyphenyl) -pyran-2-one (0.18 g, 0.65 mmol) Reaction was carried out in the same manner as d) in Example 1 to obtain the title compound as a yellow solid (0.18 g, 98%).
1H-NMR(CDCl3); δ = 3.88(s, 3H), 6.41(d, 1H, J=1.5Hz), 6.85(d, 1H, J=1.5Hz), 6.96-7.01(m, 2H), 7.49-7.53(m, 3H), 7.63-7.66(m, 2H), 7.83-7.88(m, 2H).
c)1−アミノ−6−(4−メトキシフェニル)−4−フェニル−1H−ピリジン−2−オンの合成
6−(4−メトキシフェニル)−4−フェニル−ピラン−2−オン(0.10g、0.36mmol)を実施例1のe)と同様にして反応させて、標記化合物を白色固体(44mg、42%)として得た。
1 H-NMR (CDCl 3 ); δ = 3.88 (s, 3H), 6.41 (d, 1H, J = 1.5Hz), 6.85 (d, 1H, J = 1.5Hz), 6.96-7.01 (m, 2H) , 7.49-7.53 (m, 3H), 7.63-7.66 (m, 2H), 7.83-7.88 (m, 2H).
c) Synthesis of 1-amino-6- (4-methoxyphenyl) -4-phenyl-1H-pyridin-2-one 6- (4-methoxyphenyl) -4-phenyl-pyran-2-one (0.10 g , 0.36 mmol) in the same manner as e) of Example 1 to give the title compound as a white solid (44 mg, 42%).
1H-NMR(CDCl3); δ = 3.85(s, 3H), 5.30(bs, 2H), 6.42(d, 1H, J=1.9Hz), 6.82(d, 1H, J=1.9Hz), 6.98(d, 2H, J=8.8Hz), 7.41-7.46(m, 3H), 7.51(d, 2H, J=8.8Hz), 7.55-7.59(m, 2H).
MS(ESI); 293[M+H], 315[M+Na], 585[2M+H].
実施例14:1−アミノ−6−シクロヘプチル−4−イミダゾール−1−イル−1H−ピリジン−2−オン(化合物14)の合成
a)5−シクロヘプチル−3,5−ジオキソ−ペンタン酸の合成
還流装置付き500mLフラスコにNaH(42g、1.053mol)を加え、ジメトキシエタン(DME:250mL)で希釈した後、還流下、100℃に加熱した。1時間後、シクロヘプタンカルボン酸エチルエステル(11.8g、0.076mol)と3−オキソ−酪酸エチルエステル(10g、0.076mol)をDME(150mL)で希釈した溶液を30分にわったてゆっくり加え、8時間還流した。反応液を室温に冷却し、減圧下で溶媒を除去し、次に、水(200mL)を加え、得られた溶液を室温で2時間攪拌した。2N HCl水溶液で反応液を酸性化して酢酸エチル(200mL)で2度抽出した。抽出液はMgSO4で乾燥し、濾過し、減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=2:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて無色液体(7.5g、44%)を得た。
1 H-NMR (CDCl 3 ); δ = 3.85 (s, 3H), 5.30 (bs, 2H), 6.42 (d, 1H, J = 1.9Hz), 6.82 (d, 1H, J = 1.9Hz), 6.98 (d, 2H, J = 8.8Hz), 7.41-7.46 (m, 3H), 7.51 (d, 2H, J = 8.8Hz), 7.55-7.59 (m, 2H).
MS (ESI); 293 [M + H], 315 [M + Na], 585 [2M + H].
Example 14: Synthesis of 1-amino-6-cycloheptyl-4-imidazol-1-yl-1H-pyridin-2-one (Compound 14)
a) Synthesis of 5-cycloheptyl-3,5-dioxo-pentanoic acid To a 500 mL flask equipped with a reflux apparatus, NaH (42 g, 1.053 mol) was added and diluted with dimethoxyethane (DME: 250 mL). Heated to ° C. After 1 hour, a solution of cycloheptanecarboxylic acid ethyl ester (11.8 g, 0.076 mol) and 3-oxo-butyric acid ethyl ester (10 g, 0.076 mol) diluted with DME (150 mL) was added for 30 minutes. Slowly added and refluxed for 8 hours. The reaction was cooled to room temperature, the solvent was removed under reduced pressure, then water (200 mL) was added and the resulting solution was stirred at room temperature for 2 hours. The reaction was acidified with 2N aqueous HCl and extracted twice with ethyl acetate (200 mL). The extract was dried over MgSO 4 , filtered and distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 2: 1). Fractions containing product were combined and evaporated to give a colorless liquid (7.5 g, 44%).
1H-NMR(CDCl3); δ = 5.58(s, 1H), 3.42(s, 1H), 2.35(m, 1H), 1.9-1.15(m, 12H).
MS(ESI); 223(M++1).
b)6−シクロヘプチル−4−ヒドロキシ−ピラン−2−オンの合成
500mLフラスコに5−シクロヘプチル−3,5−ジオキソ−ペンタン酸(7.0g、30.97mmol)をエーテル(100mL)に溶かし、0℃に冷却した。次いで、トリフルオロ酢酸無水物[(TFA)2O:8.75mL、61.9mmol]を30分にわたってゆっくり滴下した。2時間後、反応液を減圧下で蒸留し、得られた残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて乳白色固体(4.68g、73%)を得た。
1 H-NMR (CDCl 3 ); δ = 5.58 (s, 1H), 3.42 (s, 1H), 2.35 (m, 1H), 1.9-1.15 (m, 12H).
MS (ESI); 223 (M + +1).
b) Synthesis of 6-cycloheptyl-4-hydroxy-pyran-2-one 5-Cycloheptyl-3,5-dioxo-pentanoic acid (7.0 g, 30.97 mmol) was dissolved in ether (100 mL) in a 500 mL flask. And cooled to 0 ° C. Then, trifluoroacetic anhydride [(TFA) 2 O: 8.75 mL, 61.9 mmol] was slowly added dropwise over 30 minutes. After 2 hours, the reaction solution was distilled under reduced pressure, and the resulting residue was purified using silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give a milky white solid (4.68 g, 73%).
1H-NMR(CDC13); δ = 5.95(s, 1H), 5.02(s, 1H), 2.54(m, 1H), 2.00-1.40(m, 12H).
MS(ESI); 209(M++1).
c)4−ブロモ−6−シクロヘプチル−ピラン−2−オンの合成
100mLフラスコにジメチルホルムアミド(DMF:100mL)を加えた後、−10℃に冷却した。PBr3(7.6mL、80.76mmol)をエーテル(50mL)で希釈した溶液を10分にわたって滴下した。10分後、6−シクロヘプチル−4−ヒドロキシ−ピラン−2−オン(4.2g、20.19mmol)をDMF(40mL)に溶かした溶液を30分にわたってゆっくり滴下した。反応温度を60℃に上げた後、溶液を10時間同じ温度で加熱した。次いで、反応液を室温に冷却し、水を加え、酢酸エチルで抽出した。抽出液はMgSO4で乾燥し、濾過し、減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=3:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(1.14g、21%)を得た。
1 H-NMR (CDC1 3 ); δ = 5.95 (s, 1H), 5.02 (s, 1H), 2.54 (m, 1H), 2.00-1.40 (m, 12H).
MS (ESI); 209 (M + +1).
c) Synthesis of 4-bromo-6-cycloheptyl-pyran-2-one Dimethylformamide (DMF: 100 mL) was added to a 100 mL flask, and then cooled to -10 ° C. A solution of PBr 3 (7.6 mL, 80.76 mmol) diluted with ether (50 mL) was added dropwise over 10 minutes. After 10 minutes, a solution of 6-cycloheptyl-4-hydroxy-pyran-2-one (4.2 g, 20.19 mmol) in DMF (40 mL) was slowly added dropwise over 30 minutes. After raising the reaction temperature to 60 ° C., the solution was heated at the same temperature for 10 hours. The reaction mixture was then cooled to room temperature, water was added, and the mixture was extracted with ethyl acetate. The extract was dried over MgSO 4 , filtered and distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 3: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (1.14 g, 21%).
1H-NMR(CDC13); δ = 6.48(s, 1H), 6.12(s, 1H), 2.52(m, 1H), 2.1-1.4(m, 12H).
MS(ESI); 272(M++1).
d)6−シクロヘプチル−4−イミダゾール−1−イル−1H−ピリジン−2−オンの合成
100mLフラスコに、4−ブロモ−6−シクロヘプチル−ピラン−2−オン(1.14g、4.2mmol)とイミダゾール(860mg、12.62mmol)をCH3CN(40mL)で溶解した後、K2CO3(1.74g、12.6mmol)とKI(670mg、4.2mmol)を加え、還流下、加熱した。8時間後、反応液を室温に冷却し、濾過した。得られた濾液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて乳白色固体(672mg、67%)を得た。
1 H-NMR (CDC1 3 ); δ = 6.48 (s, 1H), 6.12 (s, 1H), 2.52 (m, 1H), 2.1-1.4 (m, 12H).
MS (ESI); 272 (M + +1).
d) Synthesis of 6-cycloheptyl-4-imidazol-1-yl-1H-pyridin-2-one Into a 100 mL flask was added 4-bromo-6-cycloheptyl-pyran-2-one (1.14 g, 4.2 mmol). ) And imidazole (860 mg, 12.62 mmol) were dissolved in CH 3 CN (40 mL), K 2 CO 3 (1.74 g, 12.6 mmol) and KI (670 mg, 4.2 mmol) were added, and the mixture was refluxed. Heated. After 8 hours, the reaction was cooled to room temperature and filtered. The resulting filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give a milky white solid (672 mg, 67%).
1H-NMR(CDCl3); δ = 8.01(s, 1H), 7.3(m, 2H), 6.19(d, 1H), 6.12(d, 1H), 2.65(m, 1H), 2.15-1.41(m, 12H).
MS(ESI); 269(M++1).
e)1−アミノ−6−シクロヘプチル−4−イミダゾール−1−イル−1H−ピリジン−2−オンの合成
100mLフラスコで、6−シクロヘプチル−4−イミダゾール−1−イル−1H−ピリジン−2−オン(630mg、2.44mmol)をエタノール(20mL)に溶かした後、ヒドラジン水和物(1.2mL、24.4mmol)を滴下し、室温で24時間攪拌した。反応溶液を減圧下で蒸留した。次に、残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて乳白色固体(32.6g、47%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.01 (s, 1H), 7.3 (m, 2H), 6.19 (d, 1H), 6.12 (d, 1H), 2.65 (m, 1H), 2.15-1.41 ( m, 12H).
MS (ESI); 269 (M + +1).
e) Synthesis of 1-amino-6-cycloheptyl-4-imidazol-1-yl-1H-pyridin-2-one In a 100 mL flask, 6-cycloheptyl-4-imidazol-1-yl-1H-pyridine-2 -On (630 mg, 2.44 mmol) was dissolved in ethanol (20 mL), hydrazine hydrate (1.2 mL, 24.4 mmol) was added dropwise, and the mixture was stirred at room temperature for 24 hr. The reaction solution was distilled under reduced pressure. Next, the residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give a milky white solid (32.6 g, 47%).
1H-NMR(CDCl3); δ = 8.12(s, 1H), 7.35(m, 2H), 6.32(d, 1H), 6.23(d, 1H), 2.71(m, 1H), 2.1-1.4(m, 12H).
MS(ESI); 283(M++1).
実施例15:1−アミノ−4−(4−フルオロフェニル)−6−フェニル−1H−ピリジン−2−オン(化合物15)の合成
a)4−(4−フルオロフェニル)−6−フェニル−ピラン−2−オンの合成
実施例1のd)と同様にして4−ブロモ−6−フェニル−ピラン−2−オン(50mg、0.199mmol)と4−フルオロフェニルジンククロリドを反応させて、標記化合物4−(4−フルオロフェニル)−6−フェニル−ピラン−2−オン(37mg、71%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.12 (s, 1H), 7.35 (m, 2H), 6.32 (d, 1H), 6.23 (d, 1H), 2.71 (m, 1H), 2.1-1.4 ( m, 12H).
MS (ESI); 283 (M + +1).
Example 15: Synthesis of 1-amino-4- (4-fluorophenyl) -6-phenyl-1H-pyridin-2-one (Compound 15)
a) Synthesis of 4- (4-fluorophenyl) -6-phenyl-pyran-2-one 4-Bromo-6-phenyl-pyran-2-one (50 mg, 0. 1) as in d) of Example 1. 199 mmol) and 4-fluorophenylzinc chloride were reacted to give the title compound 4- (4-fluorophenyl) -6-phenyl-pyran-2-one (37 mg, 71%).
1H-NMR(CDCl3); δ = 7.9(m, 2H), 7.69(m, 2H), 7.52(m, 3H), 7.3(m, 2H), 6.95(d, 1H), 6.47(d, 1H).
b)1−アミノ−4−(4−フルオロフェニル)−6−フェニル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして4−(4−フルオロフェニル)−6−フェニル−ピラン−2−オン(25mg、0.0938mmol)を反応させて、標記化合物1−アミノ−4−(4−フルオロフェニル)−6−フェニル−1H−ピリジン−2−オン(21mg、81%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.9 (m, 2H), 7.69 (m, 2H), 7.52 (m, 3H), 7.3 (m, 2H), 6.95 (d, 1H), 6.47 (d, 1H).
b) Synthesis of 1-amino-4- (4-fluorophenyl) -6-phenyl-1H-pyridin-2-one In the same manner as in e) of Example 1, 4- (4-fluorophenyl) -6-phenyl -Pyran-2-one (25 mg, 0.0938 mmol) was reacted to give the title compound 1-amino-4- (4-fluorophenyl) -6-phenyl-1H-pyridin-2-one (21 mg, 81%) Got.
1H-NMR(CDCl3); δ = 7.57(m, 7H), 7.15(m, 2H), 6.84(d, 1H), 6.43(d, 1H), 5.3(s, 2H).
MS(ESI); 281(M++1).
実施例16:1−アミノ−4−シクロペンチル−6−フェニル−1H−ピリジン−2−オン(化合物16)の合成
a)4−シクロペンチル−6−フェニル−ピラン−2−オンの合成
実施例1のd)と同様にして4−ブロモ−6−フェニル−ピラン−2−オン(103mg、0.41mmol)とシクロペンチルジンククロリド(0.615mmol)を反応させて、標記化合物4−シクロペンチル−6−フェニル−ピラン−2−オン(50mg、52%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.57 (m, 7H), 7.15 (m, 2H), 6.84 (d, 1H), 6.43 (d, 1H), 5.3 (s, 2H).
MS (ESI); 281 (M + +1).
Example 16: Synthesis of 1-amino-4-cyclopentyl-6-phenyl-1H-pyridin-2-one (Compound 16)
a) Synthesis of 4-cyclopentyl-6-phenyl-pyran-2-one 4-Bromo-6-phenyl-pyran-2-one (103 mg, 0.41 mmol) and cyclopentyl zinc as in d) of Example 1. Chloride (0.615 mmol) was reacted to give the title compound 4-cyclopentyl-6-phenyl-pyran-2-one (50 mg, 52%).
1H-NMR(CDCl3); δ = 7.84(m, 2H), 7.45(m, 3H), 6.57(d, 1H), 6.13(d, 1H), 2.85(m, 1H), 2.1(m, 2H), 1.9-1.55(m, 6H).
b)1−アミノ−4−シクロペンチル−6−フェニル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして4−シクロペンチル−6−フェニル−ピラン−2−オン(15mg、0.0624mmol)を反応させて、標記化合物1−アミノ−4−シクロペンチル−6−フェニル−1H−ピリジン−2−オン(11mg、66%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.84 (m, 2H), 7.45 (m, 3H), 6.57 (d, 1H), 6.13 (d, 1H), 2.85 (m, 1H), 2.1 (m, 2H), 1.9-1.55 (m, 6H).
b) Synthesis of 1-amino-4-cyclopentyl-6-phenyl-1H-pyridin-2-one 4-cyclopentyl-6-phenyl-pyran-2-one (15 mg, 0) as in e) of Example 1. 0.0624 mmol) to give the title compound 1-amino-4-cyclopentyl-6-phenyl-1H-pyridin-2-one (11 mg, 66%).
1H-NMR(CDCl3); δ = 7.75(m, 2H), 7.5(m, 3H), 6.57(d, 1H), 6.13(d, 1H), 2.8(m, 1H), 2.2-1.5(m, 8H).
MS(ESI); 255(M++l).
実施例17:1−アミノ−6−シクロヘキシル−4−ナフタレン−1−イル−1H−ピリジン−2−オン(化合物17)の合成
a)6−シクロヘキシル−4−ナフタレン−1−イル−ピラン−2−オンの合成
100mLフラスコで、4−ブロモ−6−ピラン−2−オン(126mg、0.49mmol)をTHF(2.0mL)に溶かし、Pd(PPh3)4(20mg)を加えた後、室温で攪拌した。5分後に、2−ナフチルジンククロリド(10mL、2mmol、過量)をゆっくり加え、室温で1日間さらに攪拌した。反応液に、NH4Cl水溶液(15mL)を加え、得られる溶液を酢酸エチル(20mL)で2度抽出した。抽出液をMgSO4で乾燥し、濾過した。濾液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=10:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて標記化合物6−シクロヘキシル−4−ナフタレン−1−イル−ピラン−2−オン(143mg、96%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.75 (m, 2H), 7.5 (m, 3H), 6.57 (d, 1H), 6.13 (d, 1H), 2.8 (m, 1H), 2.2-1.5 ( m, 8H).
MS (ESI); 255 (M + + l).
Example 17: Synthesis of 1-amino-6-cyclohexyl-4-naphthalen-1-yl-1H-pyridin-2-one (Compound 17)
a) Synthesis of 6-cyclohexyl-4-naphthalen-1-yl-pyran-2-one In a 100 mL flask, 4-bromo-6-pyran-2-one (126 mg, 0.49 mmol) was added to THF (2.0 mL). Into the solution, Pd (PPh 3 ) 4 (20 mg) was added, and the mixture was stirred at room temperature. After 5 minutes, 2-naphthyl zinc chloride (10 mL, 2 mmol, excess) was slowly added and further stirred at room temperature for 1 day. To the reaction solution was added NH 4 Cl aqueous solution (15 mL), and the resulting solution was extracted twice with ethyl acetate (20 mL). The extract was dried over MgSO 4 and filtered. The filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 10: 1). Fractions containing product were combined and evaporated to give the title compound 6-cyclohexyl-4-naphthalen-1-yl-pyran-2-one (143 mg, 96%).
1H-NMR(CDCl3); δ = 7.92(m, 3H), 7.54(m, 3H), 7.4(d, 1H), 6.8(d, 1H), 6.68(d, 1H), 2.5(m, 1H), 2.2-1.1(m, 10H).
MS(ESI): 305(M++1).
b)1−アミノ−6−シクロヘキシル−4−ナフタレン−1−イル−1H−ピラン−2−オンの合成
50mLフラスコで、6−シクロヘキシル−4−ナフタレン−1−イル−ピラン−2−オン(160mg、0.525mmol)をEtOH(3mL)とMC(1mL)の混合溶媒に溶かし、ヒドラジン水和物(0.3mL、5.25mmol)を滴下した。次ぎに、反応溶液を室温で24時間攪拌した。減圧下で溶媒を蒸留した。得られた残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=50:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて標記化合物1−アミノ−6−シクロヘキシル−4−ナフタレン−1−イル−1H−ピラン−2−オン(128mg、76%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.92 (m, 3H), 7.54 (m, 3H), 7.4 (d, 1H), 6.8 (d, 1H), 6.68 (d, 1H), 2.5 (m, 1H), 2.2-1.1 (m, 10H).
MS (ESI): 305 (M + +1).
b) Synthesis of 1-amino-6-cyclohexyl-4-naphthalen-1-yl-1H-pyran-2-one In a 50 mL flask, 6-cyclohexyl-4-naphthalen-1-yl-pyran-2-one (160 mg) , 0.525 mmol) was dissolved in a mixed solvent of EtOH (3 mL) and MC (1 mL), and hydrazine hydrate (0.3 mL, 5.25 mmol) was added dropwise. The reaction solution was then stirred at room temperature for 24 hours. The solvent was distilled off under reduced pressure. The obtained residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 50: 1). Fractions containing product were combined and evaporated to give the title compound 1-amino-6-cyclohexyl-4-naphthalen-1-yl-1H-pyran-2-one (128 mg, 76%).
1H-NMR(CDCl3); δ = 7.92(m, 3H), 7.6-7.4(m, 4H), 6.67(d, 1H), 6.35(d, 1H), 3.3(m, 1H), 2.1-1.1(m, 19H).
MS(ESI); 319(M++1).
実施例18:1−メチルアミノ−4,6−ジフェニル−1H−ピリジン−2−オン(化合物18)の合成
50mLフラスコで、1−アミノ−4,6−ジフェニル−1H−ピラン−2−オン(30mg、0.114mmol)とp−クロロスルホニルメチルエーテル(24μL、0.114mmol)をCH3CN(15mL)に溶かした後、65℃で1日間攪拌した。反応液を室温に冷却し、濾過した。分離された残渣を酢酸エチルで洗浄し、濾液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 酢酸エチル:ヘキサン=4:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて標記化合物1−メチルアミノ−4,6−ジフェニル−1H−ピリジン−2−オン(17mg、55%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.92 (m, 3H), 7.6-7.4 (m, 4H), 6.67 (d, 1H), 6.35 (d, 1H), 3.3 (m, 1H), 2.1- 1.1 (m, 19H).
MS (ESI); 319 (M + +1).
Example 18: Synthesis of 1-methylamino-4,6-diphenyl-1H-pyridin-2-one (Compound 18) In a 50 mL flask, 1-amino-4,6-diphenyl-1H-pyran-2-one ( 30 mg, 0.114 mmol) and p-chlorosulfonylmethyl ether (24 μL, 0.114 mmol) were dissolved in CH 3 CN (15 mL), and then stirred at 65 ° C. for 1 day. The reaction was cooled to room temperature and filtered. The separated residue was washed with ethyl acetate, and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent ethyl acetate: hexane = 4: 1). Fractions containing product were combined and evaporated to give the title compound 1-methylamino-4,6-diphenyl-1H-pyridin-2-one (17 mg, 55%).
1H-NMR(CDCl3); δ = 7.68-7.56(m, 5H), 7.52-7.40(m, 5H), 6.90(s, 1H), 6.44(s, 1H), 2.44(d, 3H).
実施例19:1−アミノ−6−シクロヘキシル−4−イミダゾール−1−イル−1H−ピリジン−2−オン(化合物19)の合成
a)6−シクロヘキシル−4−イミダゾール−1−イル−1H−ピリジン−2−オンの合成
250mLフラスコで、4−ブロモ−6−シクロヘキシル−ピラン−2−オン(2.18g、9.727mmol)とイミダゾール(1.98g、29.2mmol)をCH3CN(100mL)に溶かした。K2CO3(4.03g、29.181mmol)とKI(161mg、0.972mmol)を加え、反応溶液を還流下加熱した。8時間後に、溶液を室温に冷却し、濾過し、濾液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて乳白色固体(2.36g、99%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.68-7.56 (m, 5H), 7.52-7.40 (m, 5H), 6.90 (s, 1H), 6.44 (s, 1H), 2.44 (d, 3H).
Example 19 Synthesis of 1-amino-6-cyclohexyl-4-imidazol-1-yl-1H-pyridin-2-one (Compound 19)
a) Synthesis of 6-cyclohexyl-4-imidazol-1-yl-1H-pyridin-2-one In a 250 mL flask, 4-bromo-6-cyclohexyl-pyran-2-one (2.18 g, 9.727 mmol) and Imidazole (1.98 g, 29.2 mmol) was dissolved in CH 3 CN (100 mL). K 2 CO 3 (4.03 g, 29.181 mmol) and KI (161 mg, 0.972 mmol) were added and the reaction solution was heated under reflux. After 8 hours, the solution was cooled to room temperature, filtered, and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give a milky white solid (2.36 g, 99%).
1H-NMR(CDCl3); δ =8.1(s, 1H), 7.3(d, 1H), 6.15(d, 1H), 2.5(m, 1H), 2.15-1.1(m, 10H).
MS(ESI); 245(M++1).
b)1−アミノ−6−シクロヘキシル−4−イミダゾール−1−イル−1H−ピリジン−2−オンの合成
100mLフラスコで、6−シクロヘキシル−4−イミダゾール−1−イル−1H−ピリジン−2−オン(2.6g、10.6mmol)をEtOH(50mL)とMC(20mL)の混合溶媒に溶かした。ヒドラジン水和物(5.4mL、106.55mmol)を滴下した後、反応液を室温で24時間攪拌した。溶媒を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて乳白色固体(1.92g、70%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.1 (s, 1H), 7.3 (d, 1H), 6.15 (d, 1H), 2.5 (m, 1H), 2.15-1.1 (m, 10H).
MS (ESI); 245 (M + +1).
b) Synthesis of 1-amino-6-cyclohexyl-4-imidazol-1-yl-1H-pyridin-2-one In a 100 mL flask, 6-cyclohexyl-4-imidazol-1-yl-1H-pyridin-2-one (2.6 g, 10.6 mmol) was dissolved in a mixed solvent of EtOH (50 mL) and MC (20 mL). Hydrazine hydrate (5.4 mL, 106.55 mmol) was added dropwise, and then the reaction solution was stirred at room temperature for 24 hours. The solvent was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give a milky white solid (1.92 g, 70%).
1H-NMR(CDCl3); δ = 7.92(s, 1H), 7.3(s, 1H), 7.2(s, 1H), 6.52(d, 1H), 6.16(d, 1H), 5.04(s, 1H), 3.3(m, 1H), 2.1-1.9(m, 5H), 1.6-1.1(m, 5H).
MS(ESI); 259(M++1).
実施例20:1−アミノ−6−シクロヘキシル−4−[1,2,3]トリアゾール−1−イル−1H−ピリジン−2−オン(化合物20)の合成
a)6−シクロヘキシル−4−[1,2,3]トリアゾール−1−イル−1H−ピラン−2−オンの合成
50mLフラスコで、4−ブロモ−6−ピラン−2−オン(200mg、0.778mmol)と1H−[1,2,3]トリアゾール(135μL、2.334mmol)をCH3CN(15mL)に溶かした。K2CO3(323mg、2.334mmol)とKI(13mg)を加えた後、反応液を100℃で3時間攪拌した。反応液を室温に冷却した後、濾過した。得られた残渣を酢酸エチルで洗浄し、濾液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=5:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて標記化合物6−シクロヘキシル−4−[1,2,3]トリアゾール−1−イル−1H−ピラン−2−オン(187mg、100%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.92 (s, 1H), 7.3 (s, 1H), 7.2 (s, 1H), 6.52 (d, 1H), 6.16 (d, 1H), 5.04 (s, 1H), 3.3 (m, 1H), 2.1-1.9 (m, 5H), 1.6-1.1 (m, 5H).
MS (ESI); 259 (M + +1).
Example 20: Synthesis of 1-amino-6-cyclohexyl-4- [1,2,3] triazol-1-yl-1H-pyridin-2-one (Compound 20)
a) Synthesis of 6-cyclohexyl-4- [1,2,3] triazol-1-yl-1H-pyran-2-one In a 50 mL flask, 4-bromo-6-pyran-2-one (200 mg,. 778 mmol) and 1H- [1,2,3] triazole (135 μL, 2.334 mmol) were dissolved in CH 3 CN (15 mL). After adding K 2 CO 3 (323 mg, 2.334 mmol) and KI (13 mg), the reaction was stirred at 100 ° C. for 3 hours. The reaction solution was cooled to room temperature and then filtered. The obtained residue was washed with ethyl acetate, and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 5: 1). Fractions containing product were combined and evaporated to give the title compound 6-cyclohexyl-4- [1,2,3] triazol-1-yl-1H-pyran-2-one (187 mg, 100%). .
1H-NMR(CDCl3); δ = 7.9(s, 2H), 6.9(d, 1H), 6.8(d, 1H), 2.5(m, 1H), 2.1(m, 2H), 1.9(m, 2H), 1.78(m, 1H), 1.6-1.2(m, 5H).
MS(ESI); 246(M++1).
b)1−アミノ−6−シクロヘキシル−4−[1,2,3]トリアゾール−1−イル−1H−ピリジン−2−オンの合成
25mLフラスコで、6−シクロヘキシル−4−[1,2,3]トリアゾール−1−イル−ピラン−2−オン(184mg、0.750mmol)をEtOH(10mL)に溶かし、ヒドラジン水和物(0.4mL、7.5mmol)を滴下した。反応液を室温で24時間攪拌し、溶媒を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 ヘキサン:酢酸エチル=2:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて標記化合物1−アミノ−6−シクロヘキシル−4−[1,2,3]トリアゾール−1−イル−1H−ピリジン−2−オン(110mg、55%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.9 (s, 2H), 6.9 (d, 1H), 6.8 (d, 1H), 2.5 (m, 1H), 2.1 (m, 2H), 1.9 (m, 2H), 1.78 (m, 1H), 1.6-1.2 (m, 5H).
MS (ESI); 246 (M + +1).
b) Synthesis of 1-amino-6-cyclohexyl-4- [1,2,3] triazol-1-yl-1H-pyridin-2-one In a 25 mL flask, 6-cyclohexyl-4- [1,2,3 Triazol-1-yl-pyran-2-one (184 mg, 0.750 mmol) was dissolved in EtOH (10 mL) and hydrazine hydrate (0.4 mL, 7.5 mmol) was added dropwise. The reaction was stirred at room temperature for 24 hours and the solvent was distilled off under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent hexane: ethyl acetate = 2: 1). Fractions containing product were combined and evaporated to give the title compound 1-amino-6-cyclohexyl-4- [1,2,3] triazol-1-yl-1H-pyridin-2-one (110 mg, 55% )
1H-NMR(CDCl3); δ = 7.88(s, 2H), 7.2(d, 1H), 6.94(d, 1H), 5.1(s, 2H), 3.3(m, 1H), 2.2-1,2(m, 10H).
MS(ESI); 260(M++1).
実施例21:1−アミノ−6−シクロペンチル−4−(イミダゾール)−1−イル−1H−ピリジン−2−オン(化合物21)の合成
a)6−シクロペンチル−4−イミダゾール−1−イル−1H−ピリジン−2−オンの合成
実施例22のa)と同様にして4−ブロモ−6−シクロペンチル−ピラン−2−オン(810mg、3.33mmol)を反応させて、標記化合物6−シクロペンチル−4−(イミダゾール)−1−イル−1H−ピリジン−2−オン(500mg、65%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.88 (s, 2H), 7.2 (d, 1H), 6.94 (d, 1H), 5.1 (s, 2H), 3.3 (m, 1H), 2.2-1, 2 (m, 10H).
MS (ESI); 260 (M + +1).
Example 21: Synthesis of 1-amino-6-cyclopentyl-4- (imidazol) -1-yl-1H-pyridin-2-one (Compound 21)
a) Synthesis of 6-cyclopentyl-4-imidazol-1-yl-1H-pyridin-2-one In the same manner as in Example 22 a), 4-bromo-6-cyclopentyl-pyran-2-one (810 mg, 3 .33 mmol) was reacted to give the title compound 6-cyclopentyl-4- (imidazol) -1-yl-1H-pyridin-2-one (500 mg, 65%).
1H-NMR(CDCl3); δ = 7.97(s, 1H), 7.30-7.25(m, 2H), 6.24(d, 1H, J=2.1Hz), 6.11(d, 1H, J=2.2Hz), 3.00-2.97(m, 1H), 2.08-1.63(m, 8H).
b)1−アミノ−6−シクロペンチル−4−(イミダゾール)−1−イル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−シクロペンチル−4−(イミダゾール)−1−イル−1H−ピリジン−2−オン(490mg、2.13mmol)を反応させて、標記化合物1−アミノ−6−シクロペンチル−4−(イミダゾール)−1−イル−1H−ピリジン−2−オン(296mg、57%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.97 (s, 1H), 7.30-7.25 (m, 2H), 6.24 (d, 1H, J = 2.1Hz), 6.11 (d, 1H, J = 2.2Hz) , 3.00-2.97 (m, 1H), 2.08-1.63 (m, 8H).
b) Synthesis of 1-amino-6-cyclopentyl-4- (imidazol) -1-yl-1H-pyridin-2-one 6-cyclopentyl-4- (imidazole) -1 in the same manner as in e) of Example 1. -Il-1H-pyridin-2-one (490 mg, 2.13 mmol) was reacted to give the title compound 1-amino-6-cyclopentyl-4- (imidazol) -1-yl-1H-pyridin-2-one ( 296 mg, 57%).
1H-NMR(CDCl3); δ = 7.92(s, 1H), 7.31-7.21(m, 2H), 6.50(d, 1H, J=2.0Hz), 6.22(d, 1H, J=1.9Hz), 5.08(s, 2H), 3.63-3.58(m, 1H), 2.28-1.60(m, 8H).
MS(ESI); 245(M++1).
実施例22:1−アミノ−6−シクロヘキシル−4−(1,2,4−トリアゾール)−1−イル−1H−ピリジン−2−オン(化合物22)の合成
a)6−シクロヘキシル−4−(1,2,4−トリアゾール)−1−イル−1H−ピリジン−2−オンの合成
実施例22のa)と同様にして4−ブロモ−6−シクロヘキシル−ピラン−2−オン(300mg、1.17mmol)を反応させて標記化合物6−シクロヘキシル−4−(1,2,4−トリアゾール)−1−イル−1H−ピリジン−2−オン(280mg、98%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.92 (s, 1H), 7.31-7.21 (m, 2H), 6.50 (d, 1H, J = 2.0Hz), 6.22 (d, 1H, J = 1.9Hz) , 5.08 (s, 2H), 3.63-3.58 (m, 1H), 2.28-1.60 (m, 8H).
MS (ESI); 245 (M + +1).
Example 22 Synthesis of 1-amino-6-cyclohexyl-4- (1,2,4-triazol) -1-yl-1H-pyridin-2-one (Compound 22)
a) Synthesis of 6-cyclohexyl-4- (1,2,4-triazol) -1-yl-1H-pyridin-2-one In the same manner as in Example 22 a), 4-bromo-6-cyclohexyl-pyran. 2-one (300 mg, 1.17 mmol) was reacted to give the title compound 6-cyclohexyl-4- (1,2,4-triazol) -1-yl-1H-pyridin-2-one (280 mg, 98%) Got.
1H-NMR(CDCl3); δ = 8.66(s, 1H), 8.14(s, 1H), 6.59(d, 1H, J=1.9Hz), 6.45(d, 1H, J=2.3Hz), 2.56-2.48(m, 1H), 2.05-1.22(m, 10H).
b)1−アミノ−6−シクロヘキシル−4−(1,2,4−トリアゾール)−1−イル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−シクロヘキシル−4−(1,2,4−トリアゾール)−1−イル−1H−ピリジン−2−オン(268mg、1.09mmol)を反応させて、標記化合物1−アミノ−6−シクロヘキシル−4−(1,2,4−トリアゾール)−1−イル−1H−ピリジン−2−オン(159mg,56%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.66 (s, 1H), 8.14 (s, 1H), 6.59 (d, 1H, J = 1.9Hz), 6.45 (d, 1H, J = 2.3Hz), 2.56 -2.48 (m, 1H), 2.05-1.22 (m, 10H).
b) Synthesis of 1-amino-6-cyclohexyl-4- (1,2,4-triazol) -1-yl-1H-pyridin-2-one In the same manner as in e) of Example 1, 6-cyclohexyl-4 -(1,2,4-triazol) -1-yl-1H-pyridin-2-one (268 mg, 1.09 mmol) was reacted to give the title compound 1-amino-6-cyclohexyl-4- (1,2 , 4-Triazol) -1-yl-1H-pyridin-2-one (159 mg, 56%) was obtained.
1H-NMR(CDCl3); δ = 8.61(s, 1H), 8.11(s, 1H), 6.77(d, 1H, J=2.2Hz), 6.61(d, 1H, J=2,2Hz), 5.09(s, 2H), 3.32-3.25(m, 1H), 2.03-1.26(m, 10H).
MS(ESI); 260(M++1).
実施例23:1−アミノ−6−シクロヘキシル−4−[3−(メチル)ピロール]−1−イル−1H−ピリジン−2−オン(化合物23)の合成
a)6−シクロヘキシル−4−[3−(メチル)ピロール]−1−イル−1H−ピリジン−2−オンの合成
実施例22のa)と同様にして4−ブロモ−6−シクロヘキシル−ピラン−2−オン(300mg、1.17mmol)を反応させて、標記化合物6−シクロヘキシル−4−[3−(メチル)ピロール]−1−イル−1H−ピリジン−2−オン(237mg、79%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.61 (s, 1H), 8.11 (s, 1H), 6.77 (d, 1H, J = 2.2Hz), 6.61 (d, 1H, J = 2,2Hz), 5.09 (s, 2H), 3.32-3.25 (m, 1H), 2.03-1.26 (m, 10H).
MS (ESI); 260 (M + +1).
Example 23: Synthesis of 1-amino-6-cyclohexyl-4- [3- (methyl) pyrrole] -1-yl-1H-pyridin-2-one (Compound 23)
a) Synthesis of 6-cyclohexyl-4- [3- (methyl) pyrrol] -1-yl-1H-pyridin-2-one In the same manner as in Example 22 a), 4-bromo-6-cyclohexyl-pyran- 2-one (300 mg, 1.17 mmol) was reacted to give the title compound 6-cyclohexyl-4- [3- (methyl) pyrrol] -1-yl-1H-pyridin-2-one (237 mg, 79%). Obtained.
1H-NMR(CDCl3); δ = 7.63(d, 1H, J=1.5Hz), 6.75(d, 1H, J=1,5Hz), 6.26(s, 1H), 6.13(d, 1H, J=1.8Hz), 2.54(s, 3H), 2.52-2.48(m, 1H), 2.04-1.25(m, 10H).
b)1−アミノ−6−シクロヘキシル−4−[3−(メチル)ピロール]−1−イル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−シクロヘキシル−4−[3−(メチル)ピロール]−1−イル−1H−ピリジン−2−オン(200mg、0.774mmol)を反応させて、標記化合物1−アミノ−6−シクロヘキシル−4−[3−(メチル)ピロール]−1−イル−1H−ピリジン−2−オン(120mg、57%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.63 (d, 1H, J = 1.5Hz), 6.75 (d, 1H, J = 1,5Hz), 6.26 (s, 1H), 6.13 (d, 1H, J = 1.8Hz), 2.54 (s, 3H), 2.52-2.48 (m, 1H), 2.04-1.25 (m, 10H).
b) Synthesis of 1-amino-6-cyclohexyl-4- [3- (methyl) pyrrol] -1-yl-1H-pyridin-2-one In the same manner as in e) of Example 1, 6-cyclohexyl-4- [3- (Methyl) pyrrole] -1-yl-1H-pyridin-2-one (200 mg, 0.774 mmol) was reacted to give the title compound 1-amino-6-cyclohexyl-4- [3- (methyl) Pyrrol] -1-yl-1H-pyridin-2-one (120 mg, 57%) was obtained.
1H-NMR(CDCl3); δ = 7.60(s, 1H), 6.58(d, 1H, J=2.6Hz), 6.52(d, 1H, J=2.6Hz), 6.22(s, 1H), 5.06(s, 2H), 3.25-3.21(m, 1H), 2.48(s, 3H), 2.04-1.24(m, 10H).
MS(ESI); 273(M++1).
実施例24:1−アミノ−6−シクロヘキシル−4−(4−メチルイミダゾール)−1−イル−1H−ピリジン−2−オン(化合物24)の合成
a)6−シクロヘキシル−4−(4−メチルイミダゾール)−1−イル−1H−ピラン−2−オンの合成
50mLフラスコで、4−ブロモ−6−ピラン−2−オン(200mg、0.778mmol)と4−メチル−イミダゾール(193μL、2.334mmol)をCH3CN(15mL)に溶かし、K2CO3(323mg、2.334mmol)とKI(13mg)を加えた後、反応液を100℃で3時間攪拌した。反応液を室温に冷却した後、濾過した。得られた残渣を酢酸エチルで洗浄し、濾液は減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて標記化合物6−シクロヘキシル−4−(4−メチルイミダゾール)−1−イル−1H−ピラン−2−オン(165mg、78%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.60 (s, 1H), 6.58 (d, 1H, J = 2.6Hz), 6.52 (d, 1H, J = 2.6Hz), 6.22 (s, 1H), 5.06 (s, 2H), 3.25-3.21 (m, 1H), 2.48 (s, 3H), 2.04-1.24 (m, 10H).
MS (ESI); 273 (M + +1).
Example 24 Synthesis of 1-amino-6-cyclohexyl-4- (4-methylimidazole) -1-yl-1H-pyridin-2-one (Compound 24)
a) Synthesis of 6-cyclohexyl-4- (4-methylimidazol) -1-yl-1H-pyran-2-one In a 50 mL flask, 4-bromo-6-pyran-2-one (200 mg, 0.778 mmol) And 4-methyl-imidazole (193 μL, 2.334 mmol) were dissolved in CH 3 CN (15 mL), and K 2 CO 3 (323 mg, 2.334 mmol) and KI (13 mg) were added. Stir for 3 hours. The reaction solution was cooled to room temperature and then filtered. The obtained residue was washed with ethyl acetate, and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give the title compound 6-cyclohexyl-4- (4-methylimidazol) -1-yl-1H-pyran-2-one (165 mg, 78%).
1H-NMR(CDCl3); δ = 7.96(s, 1H), 7.76(s, 1H), 6.76(s, 1H,), 6.56(d, 1H, J=2.3Hz), 6.26(d, 1H), 2.56-2.40(m, 1H), 2.10-1.14(m, 10H).
b)1−アミノ−6−シクロヘキシル−4−(4−メチルイミダゾール)−1−イル−1H−ピリジン−2−オンの合成
25mLフラスコで、6−シクロヘキシル−4−(4−メチルイミダゾール)−1−イル−ピラン−2−オン(165mg、0.606mmol)をEtOH(10mL)に溶かした。ヒドラジン水和物(0.31mL、6.1mmol)を滴下し、溶液を室温で24時間攪拌した。次に、溶媒を減圧下で蒸留した。得られた残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=10:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて標記化合物1−アミノ−6−シクロヘキシル−4−(4−メチルイミダゾール)−1−イル−1H−ピリジン−2−オン(100mg、37%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.96 (s, 1H), 7.76 (s, 1H), 6.76 (s, 1H,), 6.56 (d, 1H, J = 2.3Hz), 6.26 (d, 1H ), 2.56-2.40 (m, 1H), 2.10-1.14 (m, 10H).
b) Synthesis of 1-amino-6-cyclohexyl-4- (4-methylimidazole) -1-yl-1H-pyridin-2-one In a 25 mL flask, 6-cyclohexyl-4- (4-methylimidazole) -1 -Il-pyran-2-one (165 mg, 0.606 mmol) was dissolved in EtOH (10 mL). Hydrazine hydrate (0.31 mL, 6.1 mmol) was added dropwise and the solution was stirred at room temperature for 24 hours. The solvent was then distilled under reduced pressure. The obtained residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 10: 1). Fractions containing product were combined and evaporated to give the title compound 1-amino-6-cyclohexyl-4- (4-methylimidazol) -1-yl-1H-pyridin-2-one (100 mg, 37%). Obtained.
1H-NMR(CDCl3); δ = 7.98(s, 1H), 7.80(s, 1H), 6.80(d, 1H, J=2.2Hz), 6.68(d, 1H, J=2.2Hz), 6.52(d, 1H), 5.09(s, 2H), 3.32-3.20(m, 1H), 2.08-1.20(m, 10H).
実施例25:1−アミノ−6−シクロヘキシル−4−(4−フェニルイミダゾール)−1−イル−1H−ピリジン−2−オン(化合物25)の合成
a)6−シクロヘキシル−4−(4−フェニルイミダゾール)−1−イル−1H−ピラン−2−オンの合成
実施例22のa)と同様にして4−ブロモ−6−シクロヘキシル−ピラン−2−オン(200mg、0.78mmol)を反応させて、標記化合物6−シクロヘキシル−4−(4−フェニルイミダゾール)−1−イル−1H−ピラン−2−オン(189mg、76%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.98 (s, 1H), 7.80 (s, 1H), 6.80 (d, 1H, J = 2.2Hz), 6.68 (d, 1H, J = 2.2Hz), 6.52 (d, 1H), 5.09 (s, 2H), 3.32-3.20 (m, 1H), 2.08-1.20 (m, 10H).
Example 25: Synthesis of 1-amino-6-cyclohexyl-4- (4-phenylimidazol) -1-yl-1H-pyridin-2-one (Compound 25)
a) Synthesis of 6-cyclohexyl-4- (4-phenylimidazol) -1-yl-1H-pyran-2-one In the same manner as in Example 22 a), 4-bromo-6-cyclohexyl-pyran-2- On (200 mg, 0.78 mmol) was reacted to give the title compound 6-cyclohexyl-4- (4-phenylimidazol) -1-yl-1H-pyran-2-one (189 mg, 76%).
1H-NMR(CDCl3); δ = 8.03(s, 1H), 7.90-7.78(d, 2H, J=1.5Hz), 7.58(s, 1H), 7.50-7.35(m, 3H), 6.23(s, 1H), 6,15(s, 1H), 2.60-2.45(m, 1H), 2.10-1.16(m, 10H).
b)1−アミノ−6−シクロヘキシル−4−(4−フェニルイミダゾール)−1−イル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−シクロヘキシル−4−(4−フェニルイミダゾール)−1−イル−1H−ピラン−2−オン(189mg、0.59mmol)を反応させて、標記化合物1−アミノ−6−シクロヘキシル−4−(4−フェニルイミダゾール)−1−イル−1H−ピリジン−2−オン(150mg、45%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.03 (s, 1H), 7.90-7.78 (d, 2H, J = 1.5Hz), 7.58 (s, 1H), 7.50-7.35 (m, 3H), 6.23 ( s, 1H), 6,15 (s, 1H), 2.60-2.45 (m, 1H), 2.10-1.16 (m, 10H).
b) Synthesis of 1-amino-6-cyclohexyl-4- (4-phenylimidazol) -1-yl-1H-pyridin-2-one In the same manner as in e) of Example 1, 6-cyclohexyl-4- (4 -Phenylimidazole) -1-yl-1H-pyran-2-one (189 mg, 0.59 mmol) was reacted to give the title compound 1-amino-6-cyclohexyl-4- (4-phenylimidazole) -1-yl -1H-pyridin-2-one (150 mg, 45%) was obtained.
1H-NMR(CDCl3); δ = 7.98(s, 1H), 7.90-7.80(d, 2H, J=1.5Hz), 7.58(s, 1H), 7.50-7.35(m, 3H), 6.58(s, 1H), 6.23(s,1H), 5.06(s, 2H), 3.36-3.25(m, 1H), 2.10-1.20(m, 10H).
実施例26:1−アミノ−6−シクロヘキシル−4−ピラゾール−1−イル−1H−ピリジン−2−オン(化合物26)の合成
a)6−シクロヘキシル−4−ピラゾール−1−イル−1H−ピラン−2−オンの合成
実施例22のa)と同様にして4−ブロモ−6−シクロヘキシル−ピラン−2−オン(200mg、0.78mmol)を反応させて、標記化合物6−シクロヘキシル−4−ピラゾール−1−イル−1H−ピラン−2−オン(130mg、68%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.98 (s, 1H), 7.90-7.80 (d, 2H, J = 1.5Hz), 7.58 (s, 1H), 7.50-7.35 (m, 3H), 6.58 ( s, 1H), 6.23 (s, 1H), 5.06 (s, 2H), 3.36-3.25 (m, 1H), 2.10-1.20 (m, 10H).
Example 26: Synthesis of 1-amino-6-cyclohexyl-4-pyrazol-1-yl-1H-pyridin-2-one (Compound 26)
a) Synthesis of 6-cyclohexyl-4-pyrazol-1-yl-1H-pyran-2-one 4-Bromo-6-cyclohexyl-pyran-2-one (200 mg, 0) as in a) of Example 22. .78 mmol) was reacted to give the title compound 6-cyclohexyl-4-pyrazol-1-yl-1H-pyran-2-one (130 mg, 68%).
1H-NMR(CDCl3); δ = 7.96(s, 1H), 7.76(s, 1H), 6.76(s, 1H,), 6.56(d, 1H, J=2.3Hz), 6.26(d, 1H), 2.56-2.40(m, 1H), 2.10-1.14(m, 10H).
b)1−アミノ−6−シクロヘキシル−4−ピラゾール−1−イル−1H−ピリジン−2−オンの合成
実施例1のe)と同様にして6−シクロヘキシル−4−ピラゾール−1−イル−1H−ピラン−2−オン(200mg、0.78mmol)を反応させて、標記化合物1−アミノ−6−シクロヘキシル−4−ピラゾール−1−イル−1H−ピリジン−2−オン(80mg、31%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.96 (s, 1H), 7.76 (s, 1H), 6.76 (s, 1H,), 6.56 (d, 1H, J = 2.3Hz), 6.26 (d, 1H ), 2.56-2.40 (m, 1H), 2.10-1.14 (m, 10H).
b) Synthesis of 1-amino-6-cyclohexyl-4-pyrazol-1-yl-1H-pyridin-2-one In the same manner as in e) of Example 1, 6-cyclohexyl-4-pyrazol-1-yl-1H -Pyran-2-one (200 mg, 0.78 mmol) was reacted to give the title compound 1-amino-6-cyclohexyl-4-pyrazol-1-yl-1H-pyridin-2-one (80 mg, 31%). Obtained.
1H-NMR(CDCl3); δ = 7.98(s, 1H), 7.80(s, 1H), 6.80(d, 1H, J=2.2Hz), 6.68(d, 1H, J=2.2Hz), 6.52(d, 1H), 5.09(s, 2H), 3.32-3.20(m, 1H), 2.08-1.20(m, 10H).
実施例27:1−アミノ−6−シクロヘキシル−4−(2−メチルイミダゾール−1−イル)−1H−ピリジン−2−オン(化合物27)の合成
a)6−シクロヘキシル−4−(2−メチルイミダゾール−1−イル)−1H−ピリジン−2−オンの合成
4−ブロモ−6−シクロヘキシル−ピラン−2−オン(0.20g、0.778mmol)と2−メチルイミダゾール(0.19g、2.33mmol)を実施例22のa)と同様にして反応させて黄色油(0.13g、63%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.98 (s, 1H), 7.80 (s, 1H), 6.80 (d, 1H, J = 2.2Hz), 6.68 (d, 1H, J = 2.2Hz), 6.52 (d, 1H), 5.09 (s, 2H), 3.32-3.20 (m, 1H), 2.08-1.20 (m, 10H).
Example 27: Synthesis of 1-amino-6-cyclohexyl-4- (2-methylimidazol-1-yl) -1H-pyridin-2-one (Compound 27)
a) Synthesis of 6-cyclohexyl-4- (2-methylimidazol-1-yl) -1H-pyridin-2-one 4-Bromo-6-cyclohexyl-pyran-2-one (0.20 g, 0.778 mmol) And 2-methylimidazole (0.19 g, 2.33 mmol) were reacted in the same manner as in Example 22 a) to give a yellow oil (0.13 g, 63%).
1H-NMR(CDCl3); δ = 7.02(m, 2H), 6.04(s, 2H), 2.55(s, 3H), 2.48(m, 1H), 2.05-1.75(m, 4H), 1.50-1.20(m, 6H).
b)1−アミノ−6−シクロヘキシル−4−(2−メチルイミダゾール−1−イル)−1H−ピリジン−2−オンの合成
6−シクロヘキシル−4−(2−メチルイミダゾール−1−イル)−1H−ピリジン−2−オン(0.11g、0.426mmol)を実施例1のe)と同様にして反応させて、白色固体(66mg、57%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.02 (m, 2H), 6.04 (s, 2H), 2.55 (s, 3H), 2.48 (m, 1H), 2.05-1.75 (m, 4H), 1.50- 1.20 (m, 6H).
b) Synthesis of 1-amino-6-cyclohexyl-4- (2-methylimidazol-1-yl) -1H-pyridin-2-one 6-cyclohexyl-4- (2-methylimidazol-1-yl) -1H -Pyridin-2-one (0.11 g, 0.426 mmol) was reacted in the same manner as in e) of Example 1 to give a white solid (66 mg, 57%).
1H-NMR(CDCl3); δ = 7.02(m, 2H), 6.42(s, 1H), 6.04(s, 1H), 5.06(s, 2H), 3.25(m, 1H), 2.46(s, 3H), 2.05-1.75(m, 4H), 1.50-1.20(m, 6H).
実施例28:1−アミノ−6−シクロヘキシル−4−(2−エチルイミダゾール−1−イル)−1H−ピリジン−2−オン(化合物28)の合成
a)6−シクロヘキシル−4−(2−エチルイミダゾール−1−イル)−1H−ピリジン−2−オンの合成
4−ブロモ−6−シクロヘキシル−ピラン−2−オン(0.20g、0.778mmol)と2−エチルイミダゾール(0.22g、2.33mmol)を実施例22のa)と同様にして反応させて、黄色固体(126mg、60%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.02 (m, 2H), 6.42 (s, 1H), 6.04 (s, 1H), 5.06 (s, 2H), 3.25 (m, 1H), 2.46 (s, 3H), 2.05-1.75 (m, 4H), 1.50-1.20 (m, 6H).
Example 28: Synthesis of 1-amino-6-cyclohexyl-4- (2-ethylimidazol-1-yl) -1H-pyridin-2-one (Compound 28)
a) Synthesis of 6-cyclohexyl-4- (2-ethylimidazol-1-yl) -1H-pyridin-2-one 4-Bromo-6-cyclohexyl-pyran-2-one (0.20 g, 0.778 mmol) And 2-ethylimidazole (0.22 g, 2.33 mmol) were reacted in the same manner as in Example 22 a) to give a yellow solid (126 mg, 60%).
1H-NMR(CDCl3); δ = 7.06(m, 1H), 6.98(m, 1H), 6.04(m, 2H), 2.80(q, 2H), 2.50(m, 1H), 2.05-1.75(m, 4H), 1.50-1.20(m, 9H).
b)1−アミノ−6−シクロヘキシル−4−(2−エチル−イミダゾール−1−イル)−1H−ピリジン−2−オンの合成
6−シクロヘキシル−4−(2−エチル−イミダゾール−1−イル)−1H−ピリジン−2−オン(80mg、0.274mmol)を実施例1のe)と同様にして反応させて、白色固体(35mg、45%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.06 (m, 1H), 6.98 (m, 1H), 6.04 (m, 2H), 2.80 (q, 2H), 2.50 (m, 1H), 2.05-1.75 ( m, 4H), 1.50-1.20 (m, 9H).
b) Synthesis of 1-amino-6-cyclohexyl-4- (2-ethyl-imidazol-1-yl) -1H-pyridin-2-one 6-cyclohexyl-4- (2-ethyl-imidazol-1-yl) -1H-pyridin-2-one (80 mg, 0.274 mmol) was reacted in the same manner as in Example 1 e) to give a white solid (35 mg, 45%).
1H-NMR(CDCl3); δ = 7.06(m, 1H), 6.96(m, 1H), 6.42(s, 1H), 6.05(s, 1H), 5.06(s, 2H), 3.25(m, 1H), 2.75(q, 2H), 2.05-1.75(m, 4H), 1.50-1.20(m, 9H).
実施例29:1−(アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−1H−イミダゾール−4−カルボン酸ヒドラジド(化合物29)の合成
a)1−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−1H−イミダゾール−4−カルボン酸エチルエステルの合成
4−ブロモ−6−シクロヘキシル−ピラン−2−オン(0.14g、0.546mmol)と1H−イミダゾール−4−カルボン酸エチルエステル(0.15g、1.09mmol)を実施例22のa)と同様にして反応させて、淡黄色固体(125mg、72%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.06 (m, 1H), 6.96 (m, 1H), 6.42 (s, 1H), 6.05 (s, 1H), 5.06 (s, 2H), 3.25 (m, 1H), 2.75 (q, 2H), 2.05-1.75 (m, 4H), 1.50-1.20 (m, 9H).
Example 29 Synthesis of 1- (amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -1H-imidazole-4-carboxylic acid hydrazide (Compound 29)
a) Synthesis of 1- (6-cyclohexyl-2-oxo-2H-pyran-4-yl) -1H-imidazole-4-carboxylic acid ethyl ester 4-bromo-6-cyclohexyl-pyran-2-one (0. 14 g, 0.546 mmol) and 1H-imidazole-4-carboxylic acid ethyl ester (0.15 g, 1.09 mmol) in the same manner as in Example 22 a) to give a pale yellow solid (125 mg, 72%) Got.
1H-NMR(CDCl3); δ = 7.95(m, 2H), 6.18(m, 2H), 4.40(q, 2H), 2.50(m, 1H), 2.05-1.70(m, 4H), 1.50-1.20(m, 9H).
b)1−(アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−1H−イミダゾール−4−カルボン酸ヒドラジドの合成
1−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−1H−イミダゾール−4−カルボン酸エチルエステル(0.12g、0.379mmol)を実施例1のe)と同様にして反応させて、淡黄色固体(60mg、50%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.95 (m, 2H), 6.18 (m, 2H), 4.40 (q, 2H), 2.50 (m, 1H), 2.05-1.70 (m, 4H), 1.50- 1.20 (m, 9H).
b) Synthesis of 1- (amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -1H-imidazole-4-carboxylic acid hydrazide 1- (6-cyclohexyl-2-oxo- 2H-pyran-4-yl) -1H-imidazole-4-carboxylic acid ethyl ester (0.12 g, 0.379 mmol) was reacted as in Example 1 e) to give a pale yellow solid (60 mg, 50 %).
1H-NMR(CDCl3); δ = 8.32(brs, 1H), 7.95(m, 1H), 7.86(m, 1H), 6.55(m, 1H), 6.15(m, 1H), 5.08(s, 2H), 4.05(brs, 2H), 3.26(m, 1H), 2.05-1.70(m, 4H), 1.50-1.20(m, 6H).
MS=317[M+H], 339[M+Na].
実施例30:1−アミノ−4−ベンズイミダゾール−1−イル−6−シクロヘキシル−1H−ピリジン−2−オン(化合物30)の合成
a)4−ベンズイミダゾール−1−イル−6−シクロヘキシル−ピラン−2−オンの合成
4−ブロモ−6−シクロヘキシル−ピラン−2−オン(0.20g、0.778mmol)とベンズイミダゾール(0.18g、1.55mmol)を実施例22のa)と同様にして反応させて、黄色固体(0.15g、66%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.32 (brs, 1H), 7.95 (m, 1H), 7.86 (m, 1H), 6.55 (m, 1H), 6.15 (m, 1H), 5.08 (s, 2H), 4.05 (brs, 2H), 3.26 (m, 1H), 2.05-1.70 (m, 4H), 1.50-1.20 (m, 6H).
MS = 317 [M + H], 339 [M + Na].
Example 30: Synthesis of 1-amino-4-benzimidazol-1-yl-6-cyclohexyl-1H-pyridin-2-one (Compound 30)
a) Synthesis of 4- benzimidazol-1-yl-6-cyclohexyl-pyran-2-one 4-Bromo-6-cyclohexyl-pyran-2-one (0.20 g, 0.778 mmol) and benzimidazole (0. 18 g, 1.55 mmol) was reacted as in Example 22 a) to give a yellow solid (0.15 g, 66%).
1H-NMR(CDCl3); δ = 8.16(s, 1H), 7.85(m, 1H), 7.68(m, 1H), 7.40(m, 2H), 6.32(m, 2H), 2.55(m, 1H), 2.10-1.70(m, 4H), 1.55-1.25(m, 6H).
b)1−アミノ−4−ベンズイミダゾール−1−イル−6−シクロヘキシル−1H−ピリジン−2−オンの合成
4−ベンズイミダゾール−1−イル−6−シクロヘキシル−ピラン−2−オン(0.14g、0.476mmol)を実施例1のe)と同様にして反応させて、淡黄色固体(75mg、51%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.16 (s, 1H), 7.85 (m, 1H), 7.68 (m, 1H), 7.40 (m, 2H), 6.32 (m, 2H), 2.55 (m, 1H), 2.10-1.70 (m, 4H), 1.55-1.25 (m, 6H).
b) Synthesis of 1-amino-4-benzimidazol-1-yl-6-cyclohexyl-1H-pyridin-2-one 4-Benzimidazol-1-yl-6-cyclohexyl-pyran-2-one (0.14 g) , 0.476 mmol) was reacted in the same manner as e) of Example 1 to give a pale yellow solid (75 mg, 51%).
1H-NMR(CDCl3); δ = 8.15(s, 1H), 7.86(m, 1H), 7.65(m, 1H), 7.38(m, 2H), 6.66(m, 1H), 6.30(m, 1H), 5.06(s, 1H), 3.30(m, 1H), 2.05-1.75(m, 4H), 1.55-1.25(m, 6H).
MS=309[M+H], 331[M+Na].
実施例31:2−アミノ−3−フェニル−2H−イソキノリン−1−オン(化合物31)の合成
a)3−フェニル−イソクロメン−1−オンの合成
2−(2−オキソ−2−フェニルエチル)−安息香酸(0.057g、0.24mmol)を酢酸無水物(1.0mL)に溶かした後、1時間還流した。反応液を0℃に冷却し、飽和重炭酸ナトリウム溶液と酢酸エチルを加えた後、有機層を分離した。有機層を飽和食塩水で洗浄し、無水硫酸マグネシウムで乾燥し、濾過した後、減圧下で濃縮した。得られた残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 酢酸エチル:n−ヘキサン=1:15)を用いて精製して白色固体(30mg,57%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.15 (s, 1H), 7.86 (m, 1H), 7.65 (m, 1H), 7.38 (m, 2H), 6.66 (m, 1H), 6.30 (m, 1H), 5.06 (s, 1H), 3.30 (m, 1H), 2.05-1.75 (m, 4H), 1.55-1.25 (m, 6H).
MS = 309 [M + H], 331 [M + Na].
Example 31: Synthesis of 2-amino-3-phenyl-2H-isoquinolin-1-one (Compound 31)
a) Synthesis of 3-phenyl-isochromen-1-one After 2- (2-oxo-2-phenylethyl) -benzoic acid (0.057 g, 0.24 mmol) was dissolved in acetic anhydride (1.0 mL). Reflux for 1 hour. The reaction was cooled to 0 ° C., saturated sodium bicarbonate solution and ethyl acetate were added, and the organic layer was separated. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure. The obtained residue was purified using silica gel column chromatography (elution solvent ethyl acetate: n-hexane = 1: 15) to give a white solid (30 mg, 57%).
1H-NMR(CDCl3); δ = 6.97(s, 1H), 7.40-7.53(m, 5H), 7.70-7.76(m, 1H), 7.87-7.92(m, 2H), 8.32(d, 1H, J=8.2Hz).
b)2−アミノ−3−フェニル−2H−イソキノリン−1−オンの合成
3−フェニル−イソクロメン−1−オン(30mg、0.13mmol)を実施例1のe)と同様にして反応させて、白色固体(13mg、41%)を得た。
1 H-NMR (CDCl 3 ); δ = 6.97 (s, 1H), 7.40-7.53 (m, 5H), 7.70-7.76 (m, 1H), 7.87-7.92 (m, 2H), 8.32 (d, 1H , J = 8.2Hz).
b) Synthesis of 2-amino-3-phenyl-2H-isoquinolin-1-one 3-phenyl- isochromen-1-one (30 mg, 0.13 mmol) was reacted in the same manner as in e) of Example 1, A white solid (13 mg, 41%) was obtained.
1H-NMR(CDCl3); δ = 4.06(s, 2H), 7.32(d, 1H, J=7.5Hz), 7.38-7.45(m, 4H), 7.54(dt, 1H, J=1.5 and 7.5Hz), 7.80-7.85(m, 2H), 8.03(d, 1H, J=7.9Hz), 8.81(s, 1H).
MS(ESI); 237[M+H], 473[2M+H].
実施例32:4−アセチル−2−アミノ−3−フェニル−2H−イソキノリン−1−オン(化合物32)の合成
a)4−アセチル−3−フェニル−イソクロメン−1−オンの合成
2−(1−ベンゾイル−2−オキソ−プロピル)−安息香酸(43mg、0.15mmol)を実施例34のa)と同様にして反応させて、白色固体(52mg、89%)を得た。
1 H-NMR (CDCl 3 ); δ = 4.06 (s, 2H), 7.32 (d, 1H, J = 7.5Hz), 7.38-7.45 (m, 4H), 7.54 (dt, 1H, J = 1.5 and 7.5 Hz), 7.80-7.85 (m, 2H), 8.03 (d, 1H, J = 7.9Hz), 8.81 (s, 1H).
MS (ESI); 237 [M + H], 473 [2M + H].
Example 32: Synthesis of 4-acetyl-2-amino-3-phenyl-2H-isoquinolin-1-one (Compound 32)
a) Synthesis of 4-acetyl-3-phenyl-isochromen-1-one 2- (1-benzoyl-2-oxo-propyl) -benzoic acid (43 mg, 0.15 mmol) was prepared in the same manner as in Example 34 a). To give a white solid (52 mg, 89%).
1H-NMR(CDCl3); δ = 2.17(s, 3H), 7.13(d, 1H, J=8.1Hz), 7.48-7.53(m, 3H), 7.57-7.70(m, 2H), 7.93-7.96(m, 2H), 8.34(dd, 1H, J=1.0 and 7.9Hz).
b)4−アセチル−2−アミノ−3−フェニル−2H−イソキノリン−1−オンの合成
4−アセチル−3−フェニルイソクロメン−1−オン(0.06g、0.13mmol)を実施例1のe)と同様にして反応させて、白色固体(0.036g、54%)を得た。
1 H-NMR (CDCl 3 ); δ = 2.17 (s, 3H), 7.13 (d, 1H, J = 8.1Hz), 7.48-7.53 (m, 3H), 7.57-7.70 (m, 2H), 7.93- 7.96 (m, 2H), 8.34 (dd, 1H, J = 1.0 and 7.9Hz).
b) Synthesis of 4-acetyl- 2-amino-3-phenyl-2H-isoquinolin-1-one 4-acetyl-3-phenylisochromen-1-one (0.06 g, 0.13 mmol) was prepared as in Example 1. Reaction was performed as in e) to obtain a white solid (0.036 g, 54%).
1H-NMR(CDCl3); δ = 2.37(s, 3H), 5.06(s, 2H), 7.20(d, 1H, J=7.6Hz), 7.41-7.56(m, 5H), 7.91(d, 2H, J=7.1Hz), 8.45(dd, 1H, J=1.3 and 7.6Hz).
MS(ESI); 279[M+H], 557[2M+H].
実施例33:1−アミノ−6−(4−ヒドロキシ−シクロヘキシル−4−イミダゾール−1−イル−1H−ピリジン−2−オンの合成
a)5−(4−メトキシ−シクロヘキシル)−3,5−ジオキソ−ペンタン酸の合成
500mLフラスコに還流装置を備え付けた。フラスコにNaH(7.0g、0.174mol)を入れ、ジメトキシエタン(DME:180mL)で希釈し、還流下、100℃に加熱した。1時間後、4−メトキシ−シクロヘキサンカルボン酸メチルエステル(10g、0.058mol)と3−オキソ−酪酸エチルエステル(9.0g、0.069mol)をジメトキシエタン(DME:70mL)で希釈した溶液を30分にわたってゆっくり加えた後、得られた溶液を8時間還流した。反応液を室温に冷却し、減圧下で溶媒を除去した後、水(70mL)を加える。次に、反応液を室温で2時間攪拌した。2N HCl水溶液で反応液を酸性化して酢酸エチル(100mL)で2度抽出した。抽出液は無水硫酸マグネシウムで乾燥し、濾過した後、濾液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=1:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて無色液体(10.22g、73%)を得た。
1 H-NMR (CDCl 3 ); δ = 2.37 (s, 3H), 5.06 (s, 2H), 7.20 (d, 1H, J = 7.6Hz), 7.41-7.56 (m, 5H), 7.91 (d, 2H, J = 7.1Hz), 8.45 (dd, 1H, J = 1.3 and 7.6Hz).
MS (ESI); 279 [M + H], 557 [2M + H].
Example 33 Synthesis of 1-amino-6- (4-hydroxy-cyclohexyl-4-imidazol-1-yl-1H-pyridin-2-one
a) Synthesis of 5- (4-methoxy-cyclohexyl) -3,5-dioxo-pentanoic acid A 500 mL flask was equipped with a reflux apparatus. NaH (7.0 g, 0.174 mol) was placed in the flask, diluted with dimethoxyethane (DME: 180 mL), and heated to 100 ° C. under reflux. After 1 hour, 4-methoxy-cyclohexanecarboxylic acid methyl ester (10 g, 0.058 mol) and 3-oxo-butyric acid ethyl ester (9.0 g, 0.069 mol) were diluted with dimethoxyethane (DME: 70 mL). After slow addition over 30 minutes, the resulting solution was refluxed for 8 hours. The reaction is cooled to room temperature, the solvent is removed under reduced pressure, and water (70 mL) is added. Next, the reaction solution was stirred at room temperature for 2 hours. The reaction was acidified with 2N aqueous HCl and extracted twice with ethyl acetate (100 mL). The extract was dried over anhydrous magnesium sulfate and filtered, and then the filtrate was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 1: 1). Fractions containing product were combined and evaporated to give a colorless liquid (10.22 g, 73%).
1H-NMR(CDCl3); δ = 5.62(s, 2H), 5.25(s, 1H), 3.38(s, 3H), 3.17(m, 1H), 2.20-1.07(m, 9H).
b)4−ヒドロキシ−6−(4−メトキシ−シクロヘキシル)−ピラン−2−オンの合成
500mLフラスコで、5−(4−メトキシ−シクロヘキシル)−3,5−ジオキソ−ペンタン酸(95mg、0.392mmol)をエーテル(20mL)に溶かし、溶液を0℃に冷却した。次いで、トリフルオロ酢酸無水物[(TFA)2O;111μL、0.785mmol]を1分にわたってゆっくり滴下した。15時間後、反応液を減圧下で蒸発させた。得られた残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 塩化メチレン(MC):MeOH=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて乳白色固体(58mg、67%)を得た。
1 H-NMR (CDCl 3 ); δ = 5.62 (s, 2H), 5.25 (s, 1H), 3.38 (s, 3H), 3.17 (m, 1H), 2.20-1.07 (m, 9H).
b) Synthesis of 4-hydroxy-6- (4-methoxy-cyclohexyl) -pyran-2-one In a 500 mL flask, 5- (4-methoxy-cyclohexyl) -3,5-dioxo-pentanoic acid (95 mg, .0. 392 mmol) was dissolved in ether (20 mL) and the solution was cooled to 0 ° C. Then, trifluoroacetic anhydride [(TFA) 2 O; 111 μL, 0.785 mmol] was slowly added dropwise over 1 minute. After 15 hours, the reaction was evaporated under reduced pressure. The obtained residue was purified by silica gel column chromatography (elution solvent methylene chloride (MC): MeOH = 20: 1). Fractions containing product were combined and evaporated to give a milky white solid (58 mg, 67%).
1H-NMR(CDCl3); δ = 5.96(s, 1H), 5.52(s, 1H), 3.50-3.24(ss, 3H), 3.15(m, 1H), 2.50-1.10(m, 9H).
c)4−ブロモ−6−(4−メトキシ−シクロヘキシル)−ピラン−2−オンの合成
1000mLフラスコにジメチルホルムアミド(DMF:200mL)を入れた後、−10℃に冷却した。次いで、PBr3(9.1mL、0.097mol)をエーテル(200mL)で希釈した溶液をを60分にわたって滴下した。30分後に、4−ヒドロキシ−6−(4−メトキシ−シクロヘキシル)−ピラン−2−オン(5.44g、0.024mol)をDMF(100mL)に溶かした溶液を30分にわたってゆっくり滴下した。反応温度を60℃に昇温後、溶液を同じ温度で10時間加熱した。反応液を室温に冷却した後、水を加えた。次に、溶液を酢酸エチルで抽出した。抽出液は無水硫酸マグネシウムで乾燥し、濾過した。濾液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=10:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色の固体(3.5g、68%)を得た。
1 H-NMR (CDCl 3 ); δ = 5.96 (s, 1H), 5.52 (s, 1H), 3.50-3.24 (ss, 3H), 3.15 (m, 1H), 2.50-1.10 (m, 9H).
c) Synthesis of 4-bromo-6- (4-methoxy-cyclohexyl) -pyran-2-one Dimethylformamide (DMF: 200 mL) was placed in a 1000 mL flask, and then cooled to -10 ° C. A solution of PBr 3 (9.1 mL, 0.097 mol) diluted with ether (200 mL) was then added dropwise over 60 minutes. After 30 minutes, a solution of 4-hydroxy-6- (4-methoxy-cyclohexyl) -pyran-2-one (5.44 g, 0.024 mol) in DMF (100 mL) was slowly added dropwise over 30 minutes. After raising the reaction temperature to 60 ° C., the solution was heated at the same temperature for 10 hours. After the reaction solution was cooled to room temperature, water was added. The solution was then extracted with ethyl acetate. The extract was dried over anhydrous magnesium sulfate and filtered. The filtrate was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 10: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (3.5 g, 68%).
1H-NMR(CDCl3); δ = 6.45(d, 1H), 6.16(d, 1H), 3.49(m, 1H), 3.30(s, 3H), 2.45(m, 1H), 2.02(m, 2H), 1.73(m, 4H), 1.47(m, 2H).
d)4−イミダゾール−1−イル−6−(4−メトキシ−シクロヘキシル)−ピラン−2−オンの合成
100mLフラスコで、4−ブロモ−6−(4−メトキシ−シクロヘキシル)−ピラン−2−オン(2.10g、7.31mmol)とイミダゾール(1.52g、21.95mmol)をアセトニトリル(50mL)で溶かした後、K2CO3(3.03g、21.95mmol)とKI(121mg、0.731mmol)を加えた。得られた混合物を還流下加熱した。15時間後に、反応液を室温に冷却した後、濾過した。濾液を減圧下で濃縮し、残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 塩化メチレン:メタノール=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(2.01g、100%)を得た。
1 H-NMR (CDCl 3 ); δ = 6.45 (d, 1H), 6.16 (d, 1H), 3.49 (m, 1H), 3.30 (s, 3H), 2.45 (m, 1H), 2.02 (m, 2H), 1.73 (m, 4H), 1.47 (m, 2H).
d) Synthesis of 4-imidazol-1-yl-6- (4-methoxy-cyclohexyl) -pyran-2-one In a 100 mL flask, 4-bromo-6- (4-methoxy-cyclohexyl) -pyran-2-one (2.10 g, 7.31 mmol) and imidazole (1.52 g, 21.95 mmol) were dissolved in acetonitrile (50 mL), and then K 2 CO 3 (3.03 g, 21.95 mmol) and KI (121 mg, 0.15 mmol) were dissolved. 731 mmol) was added. The resulting mixture was heated under reflux. After 15 hours, the reaction solution was cooled to room temperature and then filtered. The filtrate was concentrated under reduced pressure, and the residue was purified by silica gel column chromatography (elution solvent methylene chloride: methanol = 20: 1). Fractions containing product were combined and evaporated to give a white solid (2.01 g, 100%).
1H-NMR(CDCl3); δ = 7.97(s, 1H), 7.3(s, 2H), 7.22(s, 1H), 6.19(d, 1H), 6.12(d, 1H), 3.37(s, 3H), 2.65-1.11(m, 10H).
e)1−アミノ−4−イミダゾール−1−イル−6−(4−メトキシ−シクロヘキシル)−1H−ピリジン−2−オン(化合物33)の合成
4−イミダゾール−1−イル−6−(4−メトキシ−シクロヘキシル)−ピラン−2−オン(2.0g、7.27mmol)をエタノール(40mL)に溶かした。ヒドラジン水和物(3.64mL、72.7mmol)を滴下し、室温で10時間攪拌した。反応溶液を減圧下で蒸留した。残渣はシリカゲルカラムクロマトグラフィー(溶出溶媒 塩化メチレン:メタノール=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて乳白色固体(1.24g、61%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.97 (s, 1H), 7.3 (s, 2H), 7.22 (s, 1H), 6.19 (d, 1H), 6.12 (d, 1H), 3.37 (s, 3H), 2.65-1.11 (m, 10H).
e) Synthesis of 1-amino-4-imidazol-1-yl-6- (4-methoxy-cyclohexyl) -1H-pyridin-2-one (Compound 33) 4-imidazol-1-yl-6- (4- Methoxy-cyclohexyl) -pyran-2-one (2.0 g, 7.27 mmol) was dissolved in ethanol (40 mL). Hydrazine hydrate (3.64 mL, 72.7 mmol) was added dropwise, and the mixture was stirred at room temperature for 10 hours. The reaction solution was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent methylene chloride: methanol = 20: 1). Fractions containing product were combined and evaporated to give a milky white solid (1.24 g, 61%).
1H-NMR(CDCl3); δ = 7.9(d, 1H), 7.29(s, 1H), 7.21(s, 1H), 6.61(m, 1H), 6.20-6.11(m, 1H), 5.03(d, 2H), 3.40-3.34(ss, 3H), 3.25(m, 1H), 2.30-1.30(m, 9H).
f)1−アミノ−6−(4−ヒドロキシ−シクロヘキシル)−4−イミダゾール−1−イル−1H−ピリジン−2−オン(化合物34)の合成
1−アミノ−4−イミダゾール−1−イル−6−(4−メトキシ−シクロヘキシル)−1H−ピリジン−2−オン(150mg、0.52mmol)をMC(1.3mL)に溶かし、NaI(1.17g、7.8mmol)と15−クラウン−5(617μL、3.12mmol)をMC(10mL)で希釈した溶液をゆっくり滴下した。溶液を−30℃に冷却した後、BBr3(391mg、1.56mmol)を加えた。得られた溶液を前記同じ温度で3時間攪拌した後、反応温度をゆっくり室温に昇温した。NaHCO3水溶液(0.5mL)を加えて反応を停止し、残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=10:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて黄色固体(94mg、66%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.9 (d, 1H), 7.29 (s, 1H), 7.21 (s, 1H), 6.61 (m, 1H), 6.20-6.11 (m, 1H), 5.03 ( d, 2H), 3.40-3.34 (ss, 3H), 3.25 (m, 1H), 2.30-1.30 (m, 9H).
f) Synthesis of 1-amino- 6- (4-hydroxy-cyclohexyl) -4-imidazol-1-yl-1H-pyridin-2-one (Compound 34) 1-amino-4-imidazol-1-yl-6 -(4-Methoxy-cyclohexyl) -1H-pyridin-2-one (150 mg, 0.52 mmol) was dissolved in MC (1.3 mL) and NaI (1.17 g, 7.8 mmol) and 15-crown-5 ( A solution obtained by diluting 617 μL, 3.12 mmol) with MC (10 mL) was slowly added dropwise. After the solution was cooled to −30 ° C., BBr 3 (391 mg, 1.56 mmol) was added. The resulting solution was stirred at the same temperature for 3 hours, and then the reaction temperature was slowly raised to room temperature. Aqueous NaHCO 3 (0.5 mL) was added to quench the reaction, and the residue was purified using silica gel column chromatography (elution solvent MC: MeOH = 10: 1). Fractions containing product were combined and evaporated to give a yellow solid (94 mg, 66%).
1H-NMR(CDCl3); δ = 7.91(s, 1H), 7.27(s, 1H), 7.20(s, 1H), 6.51(d, 1H), 6.13(d, 1H), 5.01(s, 2H), 3.49(s, 3H), 3.25(m, 1H), 2.05-0.5(m, 9H).
MS(ESI); 275(M++1).
実施例34:4−(1−アミノ−2−オキソ−6−フェニル−1,2−ジヒドロ−ピリジン−4−イル)−安息香酸の合成
a)4−(2−オキソ−6−フェニル−2H−ピラン−4−イル)−ベンゾニトリルの合成
4−ブロモ−6−フェニル−ピラン−2−オン(1000mg、3.98mmol)を乾燥されたTHF(25mL)に溶かした。Pd(PPh3)4(1000mg)を加えた後、0.5M溶液の4−シアノフェニルジンクブロミド(16mL、7.96mmol)を滴下した。1時間後、塩化アンモニウム水溶液(20mL)を加えた後、溶液を酢酸エチル(100mL)で2度抽出した。抽出液は無水硫酸マグネシウムで乾燥し、濾過し、減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=5:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(591mg、54%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.91 (s, 1H), 7.27 (s, 1H), 7.20 (s, 1H), 6.51 (d, 1H), 6.13 (d, 1H), 5.01 (s, 2H), 3.49 (s, 3H), 3.25 (m, 1H), 2.05-0.5 (m, 9H).
MS (ESI); 275 (M + +1).
Example 34 Synthesis of 4- (1-amino-2-oxo-6-phenyl-1,2-dihydro-pyridin-4-yl) -benzoic acid
a) Synthesis of 4- (2-oxo-6-phenyl-2H-pyran-4-yl) -benzonitrile 4-Bromo-6-phenyl-pyran-2-one (1000 mg, 3.98 mmol) was dried Dissolved in THF (25 mL). After adding Pd (PPh 3 ) 4 (1000 mg), 0.5M solution of 4-cyanophenylzinc bromide (16 mL, 7.96 mmol) was added dropwise. After 1 hour, aqueous ammonium chloride (20 mL) was added, and the solution was extracted twice with ethyl acetate (100 mL). The extract was dried over anhydrous magnesium sulfate, filtered and distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 5: 1). Fractions containing product were combined and evaporated to give a white solid (591 mg, 54%).
1H-NMR(CDCl3); δ = 8.17(d, 2H), 8.03(m, 4H), 7.54(m, 4H), 6.80(d, 1H).
MS(ESI); 274(M++1).
b)4−(1−アミノ−2−オキソ−6−フェニル−1,2−ジヒドロ−ピリジン−4−イル)−ベンゾニトリル(化合物35)の合成
4−(2−オキソ−6−フェニル−2H−ピラン−4−イル)−ベンゾニトリル(150mg、0.549mmol)をエタノール(2mL)とMC(2mL)に溶かした。ヒドラジン水和物(137mg、2.745mmol)を滴下した後、溶液を60℃で6時間攪拌した。3時間後、反応溶液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(101mg、64%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.17 (d, 2H), 8.03 (m, 4H), 7.54 (m, 4H), 6.80 (d, 1H).
MS (ESI); 274 (M + +1).
b) Synthesis of 4- (1-amino-2-oxo-6-phenyl-1,2-dihydro-pyridin-4-yl) -benzonitrile (compound 35) 4- (2-oxo-6-phenyl-2H -Pyran-4-yl) -benzonitrile (150 mg, 0.549 mmol) was dissolved in ethanol (2 mL) and MC (2 mL). Hydrazine hydrate (137 mg, 2.745 mmol) was added dropwise, and then the solution was stirred at 60 ° C. for 6 hours. After 3 hours, the reaction solution was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 20: 1). Fractions containing product were combined and evaporated to give a white solid (101 mg, 64%).
1H-NMR(CDCl3); δ = 7.82-7.41(m, 9H), 6.88(d, 1H), 6.42(d, 1H).
MS(ESI); 288(M++1).
c)4−(1−アミノ−2−オキソ−6−フェニル−1,2−ジヒドロ−ピリジン−4−イル)−安息香酸(化合物36)の合成
4−(1−アミノ−2−オキソ−6−フェニル−1,2−ジヒドロ−ピリジン−4−イル)−ベンゾニトリル(6.0mg、0.0208mmol)を濃塩酸(4mL)に溶かした後、80℃に加熱した。12時間後、反応液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=10:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(4.8mg、75%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.82-7.41 (m, 9H), 6.88 (d, 1H), 6.42 (d, 1H).
MS (ESI); 288 (M + +1).
c) Synthesis of 4- (1-amino-2-oxo-6 -phenyl-1,2-dihydro-pyridin-4-yl) -benzoic acid (Compound 36) 4- (1-amino-2-oxo-6) -Phenyl-1,2-dihydro-pyridin-4-yl) -benzonitrile (6.0 mg, 0.0208 mmol) was dissolved in concentrated hydrochloric acid (4 mL) and then heated to 80 ° C. After 12 hours, the reaction was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 10: 1). Fractions containing product were combined and evaporated to give a white solid (4.8 mg, 75%).
1H-NMR(CDCl3); δ = 8.25(d, 2H), 7.92(d, 2H), 7.78(m, 2H), 7.61(m, 3H), 7.03(d, 1H), 6.82(d, 1H).
MS(ESI); 307(M++1).
実施例35:4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−ベンズアミドの合成
a)4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−ベンゾニトリル(化合物37)の合成
実施例1のd)と同様にして4−ブロモ−6−シクロヘキシル−ピラン−2−オン(219mg、0.817mmol)を反応させて、4−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−ベンゾニトリルを(206mg、90%)を得た。次ぎに、その化合物200mgを実施例1のe)と同様にして反応させて、標記化合物4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−ベンゾニトリル(78mg、37%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.25 (d, 2H), 7.92 (d, 2H), 7.78 (m, 2H), 7.61 (m, 3H), 7.03 (d, 1H), 6.82 (d, 1H).
MS (ESI); 307 (M + +1).
Example 35: Synthesis of 4- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -benzamide
a) Synthesis of 4- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -benzonitrile (Compound 37) In the same manner as in d) of Example 1, Bromo-6-cyclohexyl-pyran-2-one (219 mg, 0.817 mmol) was reacted to give 4- (6-cyclohexyl-2-oxo-2H-pyran-4-yl) -benzonitrile (206 mg, 90 %). Next, 200 mg of the compound is reacted in the same manner as in e) of Example 1 to give the title compound 4- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl). -Benzonitrile (78 mg, 37%) was obtained.
1H-NMR(CDCl3); δ = 7.75(d, 2H), 7.65(d, 2H), 6.69(d, 1H), 6.35(d, 1H), 5.13(s, 2H), 3.26(m, 1H), 2.08-1.72(m, 5H), 1.60-1.20(m, 5H).
MS(ESI); 294(M++1).
b)4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−安息香酸(化合物38)の合成
4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−ベンゾニトリル(23mg、0.078mmol)を濃塩酸(10mL)に溶かし、110℃に加熱した。3時間後、反応液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(18mg、74%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.75 (d, 2H), 7.65 (d, 2H), 6.69 (d, 1H), 6.35 (d, 1H), 5.13 (s, 2H), 3.26 (m, 1H), 2.08-1.72 (m, 5H), 1.60-1.20 (m, 5H).
MS (ESI); 294 (M + +1).
b) Synthesis of 4- (1-amino-6 -cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -benzoic acid (Compound 38) 4- (1-amino-6-cyclohexyl-2) -Oxo-1,2-dihydro-pyridin-4-yl) -benzonitrile (23 mg, 0.078 mmol) was dissolved in concentrated hydrochloric acid (10 mL) and heated to 110 ° C. After 3 hours, the reaction was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 20: 1). Fractions containing product were combined and evaporated to give a white solid (18 mg, 74%).
1H-NMR(CDCl3,); δ = 8.2(d, 2H), 7.88(d, 2H), 6.88(d, 1H), 6.73(d, 1H), 2.3-1.5(m, 11H).
MS(ESI); 313(M++1).
c)4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−ベンズアミド(化合物39)の合成
4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−ベンゾニトリル(400mg、1.364mmol)を濃塩酸(35mL)に溶かし、70℃に加熱した。4時間後、反応液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(110mg、26%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.2 (d, 2H), 7.88 (d, 2H), 6.88 (d, 1H), 6.73 (d, 1H), 2.3-1.5 (m, 11H).
MS (ESI); 313 (M + +1).
c) Synthesis of 4- (1-amino-6 -cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -benzamide (Compound 39) 4- (1-amino-6-cyclohexyl-2-) Oxo-1,2-dihydro-pyridin-4-yl) -benzonitrile (400 mg, 1.364 mmol) was dissolved in concentrated hydrochloric acid (35 mL) and heated to 70 ° C. After 4 hours, the reaction solution was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give a white solid (110 mg, 26%).
1H-NMR(CDCl3); δ = 7.99(d, 2H), 7.70(d, 2H), 6.73(d, 1H), 6.53(d, 1H), 2.17-1.40(m, 11H).
MS(ESI); 312(M++1).
実施例36:1−アミノ−6−シクロヘキシル−4−(4−トリフルオロメチル−イミダゾール−1−イル)−1H−ピリジン−2−オン(化合物40)の合成
a)6−シクロヘキシル−4−(4−トリフルオロメチル−イミダゾール−1−イル)−ピラン−2−オンの合成
100mLフラスコで、4−ブロモ−6−シクロヘキシル−ピラン−2−オン(257mg、1.00mmol)と4−トリフルオロメチル−1H−イミダゾール(204mg、1.50mmol)をアセトニトリル(50mL)で溶かし、K2CO3(414mg、3.00mmol)とKI(25mg、10%w/w)を加えた。反応液を還流下加熱した。15時間後、反応液を室温に冷却した後、濾過した。濾液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(298mg、96%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.99 (d, 2H), 7.70 (d, 2H), 6.73 (d, 1H), 6.53 (d, 1H), 2.17-1.40 (m, 11H).
MS (ESI); 312 (M + +1).
Example 36 Synthesis of 1-amino-6-cyclohexyl-4- (4-trifluoromethyl-imidazol-1-yl) -1H-pyridin-2-one (Compound 40)
a) Synthesis of 6-cyclohexyl-4- (4-trifluoromethyl-imidazol-1-yl) -pyran-2-one In a 100 mL flask, 4-bromo-6-cyclohexyl-pyran-2-one (257 mg, 1 .00 mmol) and 4-trifluoromethyl-1H-imidazole (204 mg, 1.50 mmol) were dissolved in acetonitrile (50 mL), and K 2 CO 3 (414 mg, 3.00 mmol) and KI (25 mg, 10% w / w) Was added. The reaction was heated under reflux. After 15 hours, the reaction solution was cooled to room temperature and then filtered. The filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 20: 1). Fractions containing product were combined and evaporated to give a white solid (298 mg, 96%).
1H-NMR(CDCl3); δ = 7.99(s, 1H), 7.64(s, 1H), 6.17(dd, 2H), 2.53(m, 1H), 2.1-1.2(m, 10H).
b)1−アミノ−6−シクロヘキシル−4−(4−トリフルオロメチル−イミダゾール−1−イル)−1H−ピリジン−2−オンの合成
6−シクロヘキシル−4−(4−トリフルオロメチル−イミダゾール−1−イル)−ピラン−2−オン(290mg、0.929mmol)をエタノール(10mL)とMC(5mL)に溶かした。ヒドラジン水和物(465mg、9.29mmol)を滴下した後、60℃で6時間攪拌した。3時間後、反応溶液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(126mg、38.7%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.99 (s, 1H), 7.64 (s, 1H), 6.17 (dd, 2H), 2.53 (m, 1H), 2.1-1.2 (m, 10H).
b) Synthesis of 1-amino-6-cyclohexyl-4- (4-trifluoromethyl-imidazol-1-yl) -1H-pyridin-2-one 6-cyclohexyl-4- (4-trifluoromethyl-imidazole) 1-yl) -pyran-2-one (290 mg, 0.929 mmol) was dissolved in ethanol (10 mL) and MC (5 mL). Hydrazine hydrate (465 mg, 9.29 mmol) was added dropwise, followed by stirring at 60 ° C. for 6 hours. After 3 hours, the reaction solution was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 20: 1). Fractions containing product were combined and evaporated to give a white solid (126 mg, 38.7%).
1H-NMR(CDCl3); δ =7.70(s, 1H), 7.43(s, 1H), 6.64(d, 1H, J=9Hz), 6.43(d, 1H, J=9Hz), 2.07-1.26(m, 11H).
実施例37:1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−1H−イミダゾール−4−カルボン酸アミドの合成
a)1−(6−シクロヘキシル−2−オキソ−2H−ピラン−3−イル)−1H−イミダゾール−4−カルボニトリルの合成
100mLフラスコで、4−ブロモ−6−シクロヘキシル−ピラン−2−オン(915mg、3.56mmol)と1H−イミダゾール−4−カルボニトリル(276mg、2.96mmol)をアセトニトリル(20mL)に溶かした。K2CO3(1.23g、8.88mmol)とKI(91mg、10%w/w)を加え、反応液を還流下加熱した。4時間後、反応液を室温に冷却し、濾過した。濾液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(271mg、34%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.70 (s, 1H), 7.43 (s, 1H), 6.64 (d, 1H, J = 9Hz), 6.43 (d, 1H, J = 9Hz), 2.07-1.26 (m, 11H).
Example 37: Synthesis of 1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -1H-imidazole-4-carboxylic acid amide
a) Synthesis of 1- (6-cyclohexyl-2-oxo-2H-pyran-3-yl) -1H-imidazole-4-carbonitrile In a 100 mL flask, 4-bromo-6-cyclohexyl-pyran-2-one ( 915 mg, 3.56 mmol) and 1H-imidazole-4-carbonitrile (276 mg, 2.96 mmol) were dissolved in acetonitrile (20 mL). K 2 CO 3 (1.23 g, 8.88 mmol) and KI (91 mg, 10% w / w) were added and the reaction was heated under reflux. After 4 hours, the reaction was cooled to room temperature and filtered. The filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 20: 1). Fractions containing product were combined and evaporated to give a white solid (271 mg, 34%).
1H-NMR(CDCl3); δ = 7.99(s, 1H), 7.86(s, 1H), 7.68(d, 1H), 7.63(d, 1H), 2.55(m, 1H), 2.1-1.2(m, 10H).
MS(ESI); 270(M++1).
b)1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−1H−イミダゾール−4−カルボニトリル(化合物41)の合成
1−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−1H−イミダゾール−4−カルボニトリル(270mg、1.003mmol)をエタノール(20mL)に溶かした。ヒドラジン水和物(502mg、10.03mmol)を滴下し、室温で4時間攪拌した。反応液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて乳白色固体(170mg、60%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.99 (s, 1H), 7.86 (s, 1H), 7.68 (d, 1H), 7.63 (d, 1H), 2.55 (m, 1H), 2.1-1.2 ( m, 10H).
MS (ESI); 270 (M + +1).
b) Synthesis of 1- ( 1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -1H-imidazole-4-carbonitrile (compound 41) 1- (6-cyclohexyl) 2-Oxo-2H-pyran-4-yl) -1H-imidazole-4-carbonitrile (270 mg, 1.003 mmol) was dissolved in ethanol (20 mL). Hydrazine hydrate (502 mg, 10.03 mmol) was added dropwise, and the mixture was stirred at room temperature for 4 hours. The reaction was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give a milky white solid (170 mg, 60%).
1H-NMR(CDCl3); δ = 8.49(s, 1H), 8.43(s, 1H), 6.70(d, 1H), 6.55(d, 1H), 2.3-1.2(m, 11H).
MS(ESI); 284(M++1).
c)1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−1H−イミダゾール−4−カルボン酸アミド(化合物42)の合成
1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−1H−イミダゾール−4−カルボニトリル(17mg、0.06mmol)を濃塩酸(15mL)に溶かした後、70℃に加熱した。4時間後、反応液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(12mg、66%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.49 (s, 1H), 8.43 (s, 1H), 6.70 (d, 1H), 6.55 (d, 1H), 2.3-1.2 (m, 11H).
MS (ESI); 284 (M + +1).
c) Synthesis of 1- (1 -amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -1H-imidazole-4-carboxylic acid amide (Compound 42) Amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -1H-imidazole-4-carbonitrile (17 mg, 0.06 mmol) was dissolved in concentrated hydrochloric acid (15 mL), then 70 Heated to ° C. After 4 hours, the reaction solution was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 20: 1). Fractions containing product were combined and evaporated to give a white solid (12 mg, 66%).
1H-NMR(CDCl3); δ = 9.21(s, 1H), 8.55(s, 1H), 6.73(d, 1H), 6.53(d, 1H), 2.21-0.72(m, 11H).
MS(ESI); 302(M++1).
実施例38:(6−シクロヘキシル−4−イミダゾール−1−イル−2−オキソ−2H−ピリジン−1−イル)−カルバミン酸メチルエステル(化合物43)の合成
1−アミノ−6−シクロヘキシル−4−イミダゾール−1−イル−1H−ピリジン−2−オン(100mg、0.387mmol)をMC(20mL)に溶かした。トリエチルアミン(108μL、0.774mmol)とメチルクロロホルメート(30.8μL、0.387mmol)を加えた後、反応液を室温で攪拌した。14時間後、反応液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(32mg、26%)を得た。
1 H-NMR (CDCl 3 ); δ = 9.21 (s, 1H), 8.55 (s, 1H), 6.73 (d, 1H), 6.53 (d, 1H), 2.21-0.72 (m, 11H).
MS (ESI); 302 (M + +1).
Example 38: Synthesis of (6-cyclohexyl-4-imidazol-1-yl-2-oxo-2H-pyridin-1-yl) -carbamic acid methyl ester (Compound 43) 1-amino-6-cyclohexyl-4- Imidazol-1-yl-1H-pyridin-2-one (100 mg, 0.387 mmol) was dissolved in MC (20 mL). After adding triethylamine (108 μL, 0.774 mmol) and methyl chloroformate (30.8 μL, 0.387 mmol), the reaction was stirred at room temperature. After 14 hours, the reaction solution was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (32 mg, 26%).
1H-NMR(CDCl3); δ = 7.16(s, 1H), 6.96(s, 1H), 6.87(s, 1H), 6.30(d, 1H), 6.12(s, 1H), 5.68(bs, 1H), 3.75(s, 3H), 3.23(m, 1H), 2.04-1.29(m, 10H).
MS(ESI); 317(M++1).
実施例39:4−(1−アミノ−4−イミダゾール−1−イル−6−オキソ−1,6−ジヒドロ−ピリジン−2−イル)−シクロヘキサン−カルボニトリル(化合物44)の合成
a)4−(4−ヒドロキシ−6−オキソ−6H−ピラン−2−イル)−シクロヘキサンカルボニトリルの合成
フラスコに還流装置を備え付けた。このフラスコに、NaH(9.08g、0.227mol)を入れた後、ジメトキシエタン(DME:80mL)で希釈した。反応液を還流下、100℃に加熱した。1時間後、4−シアノシクロヘキサンカルボン酸メチルエステル(11.5g、0.0688mol)と3−オキソ−酪酸エチルエステル(9.4g、0.0722mol)をDME(100mL)で希釈した溶液を30分にわたってゆっくり加え、8時間還流した。反応液を室温に冷却した。減圧下で溶媒を除去した後、水(200mL)を加えた。次に、溶液を室温で2時間攪拌した。反応液を2N−塩酸水溶液で酸性化して酢酸エチル(200mL)で2度抽出した。抽出液を無水硫酸マグネシウムで乾燥し、濾過した。濾液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 メチレンクロリド(MC):MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて黄色油を得た。その黄色油をエーテル(100mL)に溶かした。溶液を0℃に冷却した後、トリフルオロ酢酸無水物[(TFA)2O:13mL、0.092mol]を30分にわたってゆっくり滴下した。2時間後、反応液を減圧下で蒸発させた。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 メチレンクロリド(MC):MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡褐色固体(5.58g、37%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.16 (s, 1H), 6.96 (s, 1H), 6.87 (s, 1H), 6.30 (d, 1H), 6.12 (s, 1H), 5.68 (bs, 1H), 3.75 (s, 3H), 3.23 (m, 1H), 2.04-1.29 (m, 10H).
MS (ESI); 317 (M + +1).
Example 39 Synthesis of 4- (1-amino-4-imidazol-1-yl-6-oxo-1,6-dihydro-pyridin-2-yl) -cyclohexane-carbonitrile (Compound 44)
a) Synthesis of 4- (4-hydroxy-6-oxo-6H-pyran-2-yl) -cyclohexanecarbonitrile A flask was equipped with a reflux apparatus. NaH (9.08 g, 0.227 mol) was added to the flask, and then diluted with dimethoxyethane (DME: 80 mL). The reaction was heated to 100 ° C. under reflux. After 1 hour, a solution of 4-cyanocyclohexanecarboxylic acid methyl ester (11.5 g, 0.0688 mol) and 3-oxo-butyric acid ethyl ester (9.4 g, 0.0722 mol) diluted with DME (100 mL) was added for 30 minutes. Slowly added and refluxed for 8 hours. The reaction was cooled to room temperature. After removing the solvent under reduced pressure, water (200 mL) was added. The solution was then stirred at room temperature for 2 hours. The reaction mixture was acidified with 2N aqueous hydrochloric acid and extracted twice with ethyl acetate (200 mL). The extract was dried over anhydrous magnesium sulfate and filtered. The filtrate was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent methylene chloride (MC): MeOH = 30: 1). Fractions containing product were combined and evaporated to give a yellow oil. The yellow oil was dissolved in ether (100 mL). After the solution was cooled to 0 ° C., trifluoroacetic anhydride [(TFA) 2 O: 13 mL, 0.092 mol] was slowly added dropwise over 30 minutes. After 2 hours, the reaction was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent methylene chloride (MC): MeOH = 30: 1). Fractions containing product were combined and evaporated to give a light brown solid (5.58 g, 37%).
1H-NMR(CDCl3); δ = 5.80(d, 1H), 5.35(d, 1H), 2.50-2.40(m, 3H), 2-28-2.20(m, 3H), 1.76-1.45(m, 4H).
b)4−(4−ブロモ−6−オキソ−6H−ピラン−2−イル)−シクロヘキサンカルボニトリルの合成
フラスコに、DMF(80mL)を入れ、−10℃に冷却した。次ぎに、PBr3(9.59mL、0.102mol)をエーテル(80mL)で希釈した溶液を10分にわたって滴下した。10分後、4−(4−ヒドロキシ−6−オキソ−6H−ピラン−2−イル)−シクロヘキサンカルボニトリル(5.58g、0.0255mol)をDMF(80mL)に溶かした溶液を30分にわたってゆっくり滴下した。反応温度を60℃に昇温し、反応液を前記同じ温度で10時間加熱した。反応液を室温に冷却した後、水を加えた。得られた溶液を酢酸エチルで抽出した。抽出液を無水硫酸マグネシウムで乾燥し、濾過した。濾液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=4:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(4.73g、66%)を得た。
1 H-NMR (CDCl 3 ); δ = 5.80 (d, 1H), 5.35 (d, 1H), 2.50-2.40 (m, 3H), 2-28-2.20 (m, 3H), 1.76-1.45 (m , 4H).
b) Synthesis of 4- (4-bromo-6-oxo-6H-pyran-2-yl) -cyclohexanecarbonitrile DMF (80 mL) was placed in a flask and cooled to -10 ° C. Next, a solution of PBr 3 (9.59 mL, 0.102 mol) diluted with ether (80 mL) was added dropwise over 10 minutes. After 10 minutes, a solution of 4- (4-hydroxy-6-oxo-6H-pyran-2-yl) -cyclohexanecarbonitrile (5.58 g, 0.0255 mol) in DMF (80 mL) was slowly added over 30 minutes. It was dripped. The reaction temperature was raised to 60 ° C., and the reaction solution was heated at the same temperature for 10 hours. After the reaction solution was cooled to room temperature, water was added. The resulting solution was extracted with ethyl acetate. The extract was dried over anhydrous magnesium sulfate and filtered. The filtrate was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 4: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (4.73 g, 66%).
1H-NMR(CDCl3); δ = 6.50(d, 1H), 6.15(d, 1H), 2.50-2.42(m, 2H), 2.28-2.22(m, 2H), 2.12-2.05(m, 2H), 1.75-1.42(m, 4H).
c)4−(4−イミダゾール−1−イル−6−オキソ−6H−ピラン−2−イル)−シクロヘキサンカルボニトリルの合成
フラスコで、4−(4−ブロモ−6−オキソ−6H−ピラン−2−イル)−シクロヘキサンカルボニトリル(3.09g、0.011mol)とイミダゾール(1.50g、0.022mol)をアセトニトリル(25mL)に溶かした後、K2CO3(3.04g、0.022mol)とKI(365mg、0.0022mol)を加えた。得られた溶液を還流下加熱した。8時間後、反応液を室温に冷却した後、濾過した。濾液は減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=50:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(2.2g、75%)を得た。
1 H-NMR (CDCl 3 ); δ = 6.50 (d, 1H), 6.15 (d, 1H), 2.50-2.42 (m, 2H), 2.28-2.22 (m, 2H), 2.12-2.05 (m, 2H ), 1.75-1.42 (m, 4H).
c) Synthesis of 4- (4-imidazol-1-yl-6-oxo-6H-pyran-2-yl) -cyclohexanecarbonitrile in 4- (4-bromo-6-oxo-6H-pyran-2 - yl) - cyclohexanecarbonitrile (3.09 g, 0.011 mol) and was dissolved imidazole (1.50 g, 0.022 mol) in acetonitrile (25mL), K 2 CO 3 (3.04g, 0.022mol) And KI (365 mg, 0.0022 mol) were added. The resulting solution was heated under reflux. After 8 hours, the reaction solution was cooled to room temperature and then filtered. The filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 50: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (2.2 g, 75%).
1H-NMR(CDCl3); δ = 7.98(m,1H), 7.28-7.24(m, 2H), 6.18(d, 1H), 6.12(d, 1H), 2.60-2.48(m, 2H), 2.32-2.12(m, 4H), 1.78-1.52(m, 4H).
d)4−(1−アミノ−4−イミダゾール−1−イル−6−オキソ−1,6−ジヒドロ−ピリジン−2−イル)−シクロヘキサンカルボニトリルの合成
4−(4−イミダゾール−1−イル−6−オキソ−6H−ピラン−2−イル)−シクロヘキサンカルボニトリル(2.13g、7.91mmol)をエタノール(10mL)とMC(5mL)の混合溶媒に溶かした。ヒドラジン水和物(4.3mL、79.1mmol)を滴下した後、得られた溶液を室温で24時間攪拌した。反応液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(1.44g、64%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.98 (m, 1H), 7.28-7.24 (m, 2H), 6.18 (d, 1H), 6.12 (d, 1H), 2.60-2.48 (m, 2H), 2.32-2.12 (m, 4H), 1.78-1.52 (m, 4H).
d) Synthesis of 4- (1-amino-4-imidazol-1-yl-6-oxo-1,6-dihydro-pyridin-2-yl) -cyclohexanecarbonitrile 4- (4-imidazol-1-yl- 6-Oxo-6H-pyran-2-yl) -cyclohexanecarbonitrile (2.13 g, 7.91 mmol) was dissolved in a mixed solvent of ethanol (10 mL) and MC (5 mL). Hydrazine hydrate (4.3 mL, 79.1 mmol) was added dropwise, and the resulting solution was stirred at room temperature for 24 hours. The reaction was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (1.44 g, 64%).
1H-NMR(CDCl3); δ = 7.90(s, 1H), 7.22(s, 1H), 7.12(s, 1H), 6.52(d, 1H), 6.18(d, 1H), 4.92(s, 2H), 3.36-3.28(m, 1H), 2.58-2.48(m, 1H), 2.36-2.30(m, 2H), 2.20-2.14(m, 2H), 1.90-1.76(m, 2H), 1.50-1.38(m, 2H).
MS(ESI); 284(M++1).
実施例40:4−(1−アミノ−4−イミダゾール−1−イル−6−オキソ−1,6−ジヒドロ−ピリジン−2−イル)−シクロヘキサンカルボン酸(化合物45)の合成
a)4−(1−アミノ−4−イミダゾール−1−イル−6−オキソ−1,6−ジヒドロ−ピリジン−2−イル)−シクロヘキサンカルボン酸の合成
フラスコで、4−(1−アミノ−4−イミダゾール−1−イル−6−オキソ−1,6−ジヒドロ−ピリジン−2−イル)−シクロヘキサンカルボニトリル(100mg、0.353mmol)を濃塩酸(2mL)に溶かした。反応液を30℃に加熱し、18時間攪拌した。次に、反応液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=5:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(60mg、56%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.90 (s, 1H), 7.22 (s, 1H), 7.12 (s, 1H), 6.52 (d, 1H), 6.18 (d, 1H), 4.92 (s, 2H), 3.36-3.28 (m, 1H), 2.58-2.48 (m, 1H), 2.36-2.30 (m, 2H), 2.20-2.14 (m, 2H), 1.90-1.76 (m, 2H), 1.50- 1.38 (m, 2H).
MS (ESI); 284 (M + +1).
Example 40 Synthesis of 4- (1-amino-4-imidazol-1-yl-6-oxo-1,6-dihydro-pyridin-2-yl) -cyclohexanecarboxylic acid (Compound 45)
a) Synthesis of 4- (1-amino-4-imidazol-1-yl-6-oxo-1,6-dihydro-pyridin-2-yl) -cyclohexanecarboxylic acid in a 4- (1-amino-4 -Imidazol-1-yl-6-oxo-1,6-dihydro-pyridin-2-yl) -cyclohexanecarbonitrile (100 mg, 0.353 mmol) was dissolved in concentrated hydrochloric acid (2 mL). The reaction was heated to 30 ° C. and stirred for 18 hours. Next, the reaction solution was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 5: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (60 mg, 56%).
1H-NMR(MeOH-d4); δ = 9.45(s, 1H), 8.16(s, 1H), 7.68(s, 1H), 6.82(d, 1H), 6.68(d, 1H), 3.46-3.38(m, 1H), 2.40-2.32(m, 1H), 2.20-2.14(m, 2H), 2.08-2.00(m, 2H), 1.76-1.54(m, 4H).
MS(ESI); 303(M++1).
実施例41:1’−アミノ−6’−シクロヘキシル−1’H−[2,4’]−ビピリジニル−2’−オン(化合物46)の合成
a)6−シクロヘキシル−4−ピリジン−2−イル−ピラン−2−オンの合成
4−ブロモ−6−シクロヘキシル−ピラン−2−オン(100mg、0.389mmol)を乾燥されたTHF(4mL)に溶かした。Pd(PPh3)4(23mg、0.0195mmol)を加えた後、0.5M溶液の2−ピリジルジンククロリド(1.6mL、0.778mmol)を滴下した。反応液を室温で24時間攪拌し、塩化アンモニウム水溶液(10mL)を加えた後、溶液を酢酸エチル(50mL)で抽出した。抽出液を無水硫酸マグネシウムで乾燥し、濾過し、減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=3:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(80mg、81%)を得た。
1 H-NMR (MeOH-d 4 ); δ = 9.45 (s, 1H), 8.16 (s, 1H), 7.68 (s, 1H), 6.82 (d, 1H), 6.68 (d, 1H), 3.46- 3.38 (m, 1H), 2.40-2.32 (m, 1H), 2.20-2.14 (m, 2H), 2.08-2.00 (m, 2H), 1.76-1.54 (m, 4H).
MS (ESI); 303 (M + +1).
Example 41 Synthesis of 1′-amino-6′-cyclohexyl-1′H- [2,4 ′]-bipyridinyl-2′-one (Compound 46)
a) Synthesis of 6-cyclohexyl-4-pyridin-2-yl-pyran-2-one 4-Bromo-6-cyclohexyl-pyran-2-one (100 mg, 0.389 mmol) in dry THF (4 mL) Melted. After adding Pd (PPh 3 ) 4 (23 mg, 0.0195 mmol), 0.5M solution of 2-pyridyl zinc chloride (1.6 mL, 0.778 mmol) was added dropwise. The reaction mixture was stirred at room temperature for 24 hours, aqueous ammonium chloride solution (10 mL) was added, and the solution was extracted with ethyl acetate (50 mL). The extract was dried over anhydrous magnesium sulfate, filtered and distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 3: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (80 mg, 81%).
1H-NMR(CDCl3); δ = 8.76-8.72(m, 1H), 7.84-7.72(m, 2H), 7.40-7.36(m, 1H), 6.80(d, 1H), 6.65(d, 1H), 2.56-2.46(m, 1H), 2.08-1.82(m, 4H), 1.55-1.20(m, 6H).
b)1’−アミノ−6’−シクロヘキシル−1’H−[2,4’]−ビピリジニル−2’−オンの合成
6−シクロヘキシル−4−ピリジン−2−イル−ピラン−2−オン(75mg、0.294mmol)をエタノール(3mL)とMC(0.5mL)の混合溶媒に溶かした。ヒドラジン水和物(0.32mL、5.88mmol)を滴下し、得られた溶液を室温で36時間攪拌した。次に、反応液を減圧下で蒸留し、残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=30:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(49mg、62%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.76-8.72 (m, 1H), 7.84-7.72 (m, 2H), 7.40-7.36 (m, 1H), 6.80 (d, 1H), 6.65 (d, 1H ), 2.56-2.46 (m, 1H), 2.08-1.82 (m, 4H), 1.55-1.20 (m, 6H).
b) Synthesis of 1'-amino-6'-cyclohexyl-1'H- [2,4 ']-bipyridinyl-2'-one 6-cyclohexyl-4-pyridin-2-yl-pyran-2-one (75 mg , 0.294 mmol) was dissolved in a mixed solvent of ethanol (3 mL) and MC (0.5 mL). Hydrazine hydrate (0.32 mL, 5.88 mmol) was added dropwise, and the resulting solution was stirred at room temperature for 36 hours. Next, the reaction solution was distilled under reduced pressure, and the residue was purified using silica gel column chromatography (elution solvent MC: MeOH = 30: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (49 mg, 62%).
1H-NMR(CDCl3); δ = 8.74-8.70(m, 1H), 7.82-7.70(m, 2H), 7.34-7.30(m, 1H), 7.02(d, 1H), 6.90(d, 1H), 5.16(s, 2H), 3.28-3.18(m, 1H), 2.05-1.86(m, 4H), 1.55-1.22(m, 6H).
MS(ESI); 270(M++1).
実施例42:N−[3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−フェニル]−アセトアミド(化合物47)の合成
a)6−シクロヘキシル−4−(3−ニトロ−フェニル)−ピラン−2−オンの合成
4−ブロモ−6−シクロヘキシル−ピラン−2−オン(500mg、1.95mmol)をジメチルアセトアミド(DMA:5mL)に溶かした。次に、3−ニトロフェニルホウ酸(490mg、2.92mmol)、Pd(OAc)2(22mg、0.098mmol)、K3PO4(830mg、3.90mmol)及びテトラブチルアンモニウムブロミド(130mg、0.390mmol)を順番に加えた。反応液を130℃に加熱し、3時間攪拌した。次に、反応液を室温に冷却し、水(10mL)を加えた後、酢酸エチル(50mL)で2度抽出した。有機層を飽和食塩水で洗浄し、無水硫酸マグネシウムで乾燥し、濾過し、減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=3:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(500mg、86%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.74-8.70 (m, 1H), 7.82-7.70 (m, 2H), 7.34-7.30 (m, 1H), 7.02 (d, 1H), 6.90 (d, 1H ), 5.16 (s, 2H), 3.28-3.18 (m, 1H), 2.05-1.86 (m, 4H), 1.55-1.22 (m, 6H).
MS (ESI); 270 (M + +1).
Example 42 Synthesis of N- [3- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -phenyl] -acetamide (Compound 47)
a) Synthesis of 6-cyclohexyl-4- (3-nitro-phenyl) -pyran-2-one 4-Bromo-6-cyclohexyl-pyran-2-one (500 mg, 1.95 mmol) was converted to dimethylacetamide (DMA: 5 mL). ). Next, 3-nitrophenylboric acid (490 mg, 2.92 mmol), Pd (OAc) 2 (22 mg, 0.098 mmol), K 3 PO 4 (830 mg, 3.90 mmol) and tetrabutylammonium bromide (130 mg, 0 .390 mmol) was added in order. The reaction was heated to 130 ° C. and stirred for 3 hours. Next, the reaction solution was cooled to room temperature, water (10 mL) was added, and the mixture was extracted twice with ethyl acetate (50 mL). The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, filtered and distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 3: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (500 mg, 86%).
1H-NMR(CDCl3); δ = 8.42-8.34(m, 2H), 7.92-7.88(m, 1H), 7.72-7.68(m, 1H), 6.38(d, 1H), 6.24(d, 1H), 2.56-2.46(m, 1H), 2.08-1.82(m, 4H), 1.56-1.22(m, 6H).
b)4−(3−アミノ−フェニル)−6−シクロヘキシル−ピラン−2−オンの合成
6−シクロヘキシル−4−(3−ニトロ−フェニル)−ピラン−2−オン(300mg、1.002mmol)をエタノール(10mL)と酢酸エチル(5mL)の混合溶媒に溶かした後、10%−Pd/C(15mg)を加えた。反応混合物を室温で、水素気流下、3時間攪拌した。得られた沈澱物を濾過し、濾液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=3:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて黄色固体(200mg、74%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.42-8.34 (m, 2H), 7.92-7.88 (m, 1H), 7.72-7.68 (m, 1H), 6.38 (d, 1H), 6.24 (d, 1H ), 2.56-2.46 (m, 1H), 2.08-1.82 (m, 4H), 1.56-1.22 (m, 6H).
b) Synthesis of 4- (3-amino-phenyl) -6-cyclohexyl-pyran-2-one 6-cyclohexyl-4- (3-nitro-phenyl) -pyran-2-one (300 mg, 1.002 mmol) After dissolving in a mixed solvent of ethanol (10 mL) and ethyl acetate (5 mL), 10% -Pd / C (15 mg) was added. The reaction mixture was stirred at room temperature under a hydrogen stream for 3 hours. The resulting precipitate was filtered and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 3: 1). Fractions containing product were combined and evaporated to give a yellow solid (200 mg, 74%).
1H-NMR(CDCl3); δ = 7.24-7.20(m, 1H), 6.96-6.92(m, 1H), 6.84-6.76(m, 2H), 6.28(d, 1H), 6.22(d, 1H), 3.80(s, 2H), 2.50-2.42(m, 1H), 2.05-1.82(m, 4H), 1.50-1.25(m, 6H).
c)N−[3−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−フェニル]−アセトアミドの合成
4−(3−アミノ−フェニル)−6−シクロヘキシル−ピラン−2−オン(30mg、0.111mmol)をMC(2mL)に溶かした後、N−メチルモルホリン(0.025mL、0.223mmol)を加えた。反応液を5℃に冷却した後、アセチルクロリド(0.01mL、0.134mmol)をゆっくり滴下した。次に、反応液を室温で18時間攪拌した。反応液に水を加えた後、MC(20mL)で抽出した。有機層を無水硫酸マグネシウムで乾燥し、濾過した後、減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=1:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(21mg、61%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.24-7.20 (m, 1H), 6.96-6.92 (m, 1H), 6.84-6.76 (m, 2H), 6.28 (d, 1H), 6.22 (d, 1H ), 3.80 (s, 2H), 2.50-2.42 (m, 1H), 2.05-1.82 (m, 4H), 1.50-1.25 (m, 6H).
c) Synthesis of N- [3- (6-cyclohexyl-2-oxo-2H-pyran-4-yl) -phenyl] -acetamide 4- (3-amino-phenyl) -6-cyclohexyl-pyran-2-one (30 mg, 0.111 mmol) was dissolved in MC (2 mL) and then N-methylmorpholine (0.025 mL, 0.223 mmol) was added. After the reaction solution was cooled to 5 ° C., acetyl chloride (0.01 mL, 0.134 mmol) was slowly added dropwise. Next, the reaction solution was stirred at room temperature for 18 hours. Water was added to the reaction solution, followed by extraction with MC (20 mL). The organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 1: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (21 mg, 61%).
1H-NMR(CDCl3); δ = 7.84(s, 1H), 7.56-7.52(m, 1H), 7.46-7.42(m, 1H), 7.34-7.28(m, 2H), 6.32(d, 1H), 6.25(d, 1H), 2.52-2.42(m, 1H), 2.22(s, 3H), 2.05-1.82(m, 4H), 1.50-1.25(m, 6H).
d)N−[3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−フェニル]−アセトアミドの合成
N−[3−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−フェニル]−アセトアミド(21mg、0.0674mmol)を実施例1のe)と同様にして反応させて、淡黄色固体(13mg、59%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.84 (s, 1H), 7.56-7.52 (m, 1H), 7.46-7.42 (m, 1H), 7.34-7.28 (m, 2H), 6.32 (d, 1H ), 6.25 (d, 1H), 2.52-2.42 (m, 1H), 2.22 (s, 3H), 2.05-1.82 (m, 4H), 1.50-1.25 (m, 6H).
d) Synthesis of N- [3- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -phenyl] -acetamide
N- [3- (6-cyclohexyl-2-oxo-2H-pyran-4-yl) -phenyl] -acetamide (21 mg, 0.0674 mmol) was reacted in the same manner as in Example 1 e) to give a pale A yellow solid (13 mg, 59%) was obtained.
1H-NMR(CDCl3); δ = 7.72(s, 1H), 7.58-7.54(m, 1H), 7.42-7.28(m, 3H), 6.68(d, 1H), 6.30(d, 1H), 5.12(S, 2H), 3.26-3.18(m, 1H), 2.20(s, 3H), 2.02-1.86(m, 4H), 1.50-1.25(m, 6H).
MS(ESI); 326(M++l).
実施例43:1’−アミノ−6’−シクロヘキシル−2’−オキソ−1’,2’−ジヒドロ−[2,4’]−ビピリジニル−5−カルボニトリル(化合物48)の合成
a)6−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−ニコチノニトリルの合成
4−ブロモ−6−シクロヘキシル−ピラン−2−オン(495mg、1.925mmol)を1,4−ジオキサン(5mL)に溶かした後、6−ブロモ−ニコチノニトリル(352mg、1.925mmol)、ヘキサメチル二すず(631mg、1.925mmol)及びPd(PPh3)4(140mg、0.122mmol)を順番に加えた。反応液を還流温度に加熱し、18時間攪拌した。反応液を室温に冷却し、減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 n−ヘキサン:酢酸エチル=5:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(340mg、63%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.72 (s, 1H), 7.58-7.54 (m, 1H), 7.42-7.28 (m, 3H), 6.68 (d, 1H), 6.30 (d, 1H), 5.12 (S, 2H), 3.26-3.18 (m, 1H), 2.20 (s, 3H), 2.02-1.86 (m, 4H), 1.50-1.25 (m, 6H).
MS (ESI); 326 (M + + l).
Example 43 Synthesis of 1′-amino-6′-cyclohexyl-2′-oxo-1 ′, 2′-dihydro- [2,4 ′]-bipyridinyl-5-carbonitrile (Compound 48)
a) Synthesis of 6- (6-cyclohexyl-2-oxo-2H-pyran-4-yl) -nicotinonitrile 4-Bromo-6-cyclohexyl-pyran-2-one (495 mg, 1.925 mmol) After dissolving in 4-dioxane (5 mL), 6-bromo-nicotinonitrile (352 mg, 1.925 mmol), hexamethyldistin (631 mg, 1.925 mmol) and Pd (PPh 3 ) 4 (140 mg, 0.122 mmol) Were added in order. The reaction was heated to reflux temperature and stirred for 18 hours. The reaction was cooled to room temperature and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent n-hexane: ethyl acetate = 5: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (340 mg, 63%).
1H-NMR(CDCl3); δ = 8.98(d, 1H), 8.08(dd, 1H), 7.85(dd, 1H), 6.76(d, 1H), 6.72(d, 1H), 2.56-2.46(m, 1H), 2.08-2.02(m, 2H), 1.88-1.74(m, 3H), 1.50-1.22(m, 5H).
b)1’−アミノ−6’−シクロヘキシル−2’−オキソ−1’,2’−ジヒドロ−[2,4’]−ビピリジニル−5−カルボニトリルの合成
6−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−ニコチノニトリル(170mg、0.606mmol)を実施例1のe)と同様にして反応させて、淡黄色固体(98mg、55%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.98 (d, 1H), 8.08 (dd, 1H), 7.85 (dd, 1H), 6.76 (d, 1H), 6.72 (d, 1H), 2.56-2.46 ( m, 1H), 2.08-2.02 (m, 2H), 1.88-1.74 (m, 3H), 1.50-1.22 (m, 5H).
b) Synthesis of 1′-amino-6′-cyclohexyl-2′-oxo-1 ′, 2′-dihydro- [2,4 ′]-bipyridinyl-5-carbonitrile 6- (6-cyclohexyl-2-oxo -2H-pyran-4-yl) -nicotinonitrile (170 mg, 0.606 mmol) was reacted in the same manner as e) of Example 1 to give a pale yellow solid (98 mg, 55%).
1H-NMR(CDCl3); δ = 8.98(d, 1H), 8.04(dd, 1H), 7.84(dd, 1H), 7.06(d, 1H), 6.86(d, 1H), 5.20(s, 2H), 3.28-3.20(m, 1H), 2.05-1.80(m, 5H), 1.50-1.22(m, 5H).
MS(ESI); 295(M++1).
実施例44:1’−アミノ−6’−シクロヘキシル−2’−オキソ−1’,2’−ジヒドロ−[2,4’]−ビピリジニル−5−カルボン酸アミド(化合物49)の合成
a)1’−アミノ−6’−シクロヘキシル−2’−オキソ−1’,2’−ジヒドロ−[2,4’]−ビピリジニル−5−カルボン酸アミドの合成
1’−アミノ−6’−シクロヘキシル−2’−オキソ−1’,2’−ジヒドロ−[2,4’]ビピリジニル−5−カルボニトリル(40mg、0.136mmol)を濃塩酸(1mL)に溶かして、溶液を60℃で加熱し、3時間攪拌した。反応液を減圧下で濃縮した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて淡黄色固体(21mg、49%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.98 (d, 1H), 8.04 (dd, 1H), 7.84 (dd, 1H), 7.06 (d, 1H), 6.86 (d, 1H), 5.20 (s, 2H), 3.28-3.20 (m, 1H), 2.05-1.80 (m, 5H), 1.50-1.22 (m, 5H).
MS (ESI); 295 (M + +1).
Example 44: Synthesis of 1'-amino-6'-cyclohexyl-2'-oxo-1 ', 2'-dihydro- [2,4']-bipyridinyl-5-carboxylic acid amide (Compound 49)
a) Synthesis of 1′-amino -6′-cyclohexyl-2′-oxo-1 ′, 2′-dihydro- [2,4 ′]-bipyridinyl-5-carboxylic acid amide 1′-amino-6′-cyclohexyl -2′-oxo-1 ′, 2′-dihydro- [2,4 ′] bipyridinyl-5-carbonitrile (40 mg, 0.136 mmol) was dissolved in concentrated hydrochloric acid (1 mL) and the solution was heated at 60 ° C. Stir for 3 hours. The reaction was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 20: 1). Fractions containing product were combined and evaporated to give a pale yellow solid (21 mg, 49%).
1H-NMR(MeOH-d4); δ = 9.12(d, 1H), 8.30(dd, 1H), 7.84(dd, 1H), 7.06(d, 1H), 6.88(d, 1H), 5.20(s, 2H), 3.28-3.20(m, 1H), 2.05-1.80(m, 5H), 1.50-1.25(m, 5H).
MS(ESI); 313(M++1).
実施例45:1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−1H−イミダゾール−4−カルボン酸(化合物50)の合成
10mLフラスコに、1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−1H−イミダゾール−4−カルボン酸メチルエステル(8.5mg、0.027mmol)と磁気バーを入れた後、フラスコを窒素充填した。反応物をメタノール(0.5mL)に溶かした後、1N KOH(0.04mL、0.04mmol)を加えた後、得られた溶液を室温で2時間攪拌した。次に、減圧下で溶媒を蒸留し、残渣をHPLCで精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(4.2mg、51%)を得た。
1 H-NMR (MeOH-d 4 ); δ = 9.12 (d, 1H), 8.30 (dd, 1H), 7.84 (dd, 1H), 7.06 (d, 1H), 6.88 (d, 1H), 5.20 ( s, 2H), 3.28-3.20 (m, 1H), 2.05-1.80 (m, 5H), 1.50-1.25 (m, 5H).
MS (ESI); 313 (M + +1).
Example 45: Synthesis of 1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -1H-imidazole-4-carboxylic acid (Compound 50) 1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -1H-imidazole-4-carboxylic acid methyl ester (8.5 mg, 0.027 mmol) and magnetic bar The flask was filled with nitrogen. The reaction was dissolved in methanol (0.5 mL), 1N KOH (0.04 mL, 0.04 mmol) was added, and the resulting solution was stirred at room temperature for 2 hours. The solvent was then distilled under reduced pressure and the residue was purified by HPLC. Fractions containing product were combined and evaporated to give a white solid (4.2 mg, 51%).
1H-NMR(CD3OD); δ =8.10(1H, m), 7.92(1H, m), 6.56(1H, m), 6.46(1H, m), 3.20(1H, m), 1.6(10H, m).
実施例46:1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−1H−イミダゾール−4−カルボン酸メチルエステル(化合物51)の合成
a)1−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−1H−イミダゾール−4−カルボン酸メチルエステルの合成
50mLフラスコに、1H−イミダゾール−4−カルボン酸メチルエステル(293.8mg、2.33mmol)と4−ブロモ−6−シクロヘキシル−ピラン−2−オン(300mg、1.17mmol)と炭酸カリウム(483.8mg、3.50mmol)を入れ、フラスコを窒素充填した。アセトニトリル(10mL)を加えた後、反応液を2時間還流し、室温に冷却した。沈澱物を濾過し、濾液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(290mg、82.2%)を得た。
1 H-NMR (CD 3 OD); δ = 8.10 (1H, m), 7.92 (1H, m), 6.56 (1H, m), 6.46 (1H, m), 3.20 (1H, m), 1.6 (10H , m).
Example 46 Synthesis of 1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -1H-imidazole-4-carboxylic acid methyl ester (Compound 51)
a) Synthesis of 1- (6-cyclohexyl-2-oxo-2H-pyran-4-yl) -1H-imidazole-4-carboxylic acid methyl ester Into a 50 mL flask was added 1H-imidazole-4-carboxylic acid methyl ester (293 0.8 mg, 2.33 mmol), 4-bromo-6-cyclohexyl-pyran-2-one (300 mg, 1.17 mmol) and potassium carbonate (483.8 mg, 3.50 mmol) were charged and the flask was charged with nitrogen. After adding acetonitrile (10 mL), the reaction was refluxed for 2 hours and cooled to room temperature. The precipitate was filtered and the filtrate was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 20: 1). Fractions containing product were combined and evaporated to give a white solid (290 mg, 82.2%).
1H-NMR(CDCl3); δ = 7.99(2H, m), 6.19(2H, m), 3.98(3H, s), 2.52(1H, m), 1.99(5H, m), 1.40(5H, m).
b)1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−1H−イミダゾール−4−カルボン酸メチルエステルの合成
10mLフラスコに、1−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−1H−イミダゾール−4−カルボン酸メチルエステル(100mg、0.333mmol)と磁気バーを入れた後、フラスコを窒素充填した。反応物をジクロロメタン(3mL)とエタノール(1mL)に溶かし、ヒドラジン水和物(0.036mL)を加えた後、反応液を室温で30時間攪拌した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=20:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(56mg、53.0%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.99 (2H, m), 6.19 (2H, m), 3.98 (3H, s), 2.52 (1H, m), 1.99 (5H, m), 1.40 (5H, m).
b) Synthesis of 1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -1H-imidazole-4-carboxylic acid methyl ester 1- (6 -Cyclohexyl-2-oxo-2H-pyran-4-yl) -1H-imidazole-4-carboxylic acid methyl ester (100 mg, 0.333 mmol) and a magnetic bar were added and the flask was filled with nitrogen. The reaction product was dissolved in dichloromethane (3 mL) and ethanol (1 mL), hydrazine hydrate (0.036 mL) was added, and the reaction solution was stirred at room temperature for 30 hours. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 20: 1). Fractions containing product were combined and evaporated to give a white solid (56 mg, 53.0%).
1H-NMR(CDCl3); δ = 7.99(1H, m), 7.89(1H, m), 6.58(1H, m), 6.19(1H, m), 5.10(2H, s), 3.99(3H, s), 3.30(1H, m), 1.6(10H, m).
実施例47:4−(1−アミノ−6−オキソ−4−フェニル−1,6−ジヒドロ−ピリジン−2−イル)−安息香酸(化合物52)の合成
50mLフラスコに、4−(1−アミノ−6−オキソ−4−フェニル−1,6−ジヒドロ−ピリジン−2−イル)−ベンゾニトリル(78mg、0.27mmol)と磁気バーを入れた後、フラスコを窒素充填した。濃塩酸を加えた後、反応液を4時間還流した。次に、HClを減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=10:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(47.4mg、57%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.99 (1H, m), 7.89 (1H, m), 6.58 (1H, m), 6.19 (1H, m), 5.10 (2H, s), 3.99 (3H, s), 3.30 (1H, m), 1.6 (10H, m).
Example 47 Synthesis of 4- (1-amino-6-oxo-4-phenyl-1,6-dihydro-pyridin-2-yl) -benzoic acid (Compound 52) In a 50 mL flask was added 4- (1-amino After adding -6-oxo-4-phenyl-1,6-dihydro-pyridin-2-yl) -benzonitrile (78 mg, 0.27 mmol) and a magnetic bar, the flask was filled with nitrogen. After adding concentrated hydrochloric acid, the reaction was refluxed for 4 hours. The HCl was then distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 10: 1). Fractions containing product were combined and evaporated to give a white solid (47.4 mg, 57%).
1H-NMR(CD3OD); δ = 8.10(2H, m), 7.70(4H, m), 7.45(3H, m), 6.85(1H, d, J=2.289), 6.68(1H, d, J=2.289).
実施例48:4−(1−アミノ−6−オキソ−4−フェニル−1,6−ジヒドロ−ピリジン−2−イル)−ベンゾニトリル(化合物53)の合成
a)4−(4−ヒドロキシ−6−オキソ−6H−ピラン−2−イル)−ベンゾニトリルの合成
実施例1)のb)と同様にして5−(4−シアノ−フェニル)−3,5−ジオキソ−ペンタン酸(30g、0.13mmol)を反応させて、標記化合物4−(4−ヒドロキシ−6−オキソ−6H−ピラン−2−イル)−ベンゾニトリル(26.5g、95.7%)を製造した。
1 H-NMR (CD 3 OD); δ = 8.10 (2H, m), 7.70 (4H, m), 7.45 (3H, m), 6.85 (1H, d, J = 2.289), 6.68 (1H, d, J = 2.289).
Example 48 Synthesis of 4- (1-amino-6-oxo-4-phenyl-1,6-dihydro-pyridin-2-yl) -benzonitrile (Compound 53)
a) Synthesis of 4- (4-hydroxy-6-oxo-6H-pyran-2-yl) -benzonitrile 5- (4-Cyano-phenyl) -3.5 in the same manner as b) of Example 1) -Dioxo-pentanoic acid (30 g, 0.13 mmol) was reacted to give the title compound 4- (4-hydroxy-6-oxo-6H-pyran-2-yl) -benzonitrile (26.5 g, 95.7% ) Was manufactured.
1H-NMR(DMSO); δ = 8.01(4H, m), 6.99(1H, d, J=1.907), 5.55(1H, d, J=1.907).
b)4−(4−ブロモ−6−オキソ−6H−ピラン−2−イル)−ベンゾニトリルの合成
1000mLフラスコに、4−(4−ヒドロキシ−6−オキソ−6H−ピラン−2−イル)−ベンゾニトリル(10g、23.4mmol)と五酸化リン(30.6g、107.6mmol)とテトラブチルアンモニウムブロミド(16.6g、51.4mmol)を入れた後、トルエン(300mL)を加えた。反応液を15時間間還流した。溶液を濾紙で濾過し、飽和炭酸水素ナトリウム溶液(100mL)を加えた。有機層をブライン(100mL)で1度洗浄した。有機層を減圧下で濾過し、残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 EA:Hex:MC=1:2:2)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて褐色固体(8.67g、67%)を得た。
1 H-NMR (DMSO); δ = 8.01 (4H, m), 6.99 (1H, d, J = 1.907), 5.55 (1H, d, J = 1.907).
b) Synthesis of 4- (4-bromo-6-oxo-6H-pyran-2-yl) -benzonitrile In a 1000 mL flask, 4- (4-hydroxy-6-oxo-6H-pyran-2-yl)- Benzonitrile (10 g, 23.4 mmol), phosphorus pentoxide (30.6 g, 107.6 mmol) and tetrabutylammonium bromide (16.6 g, 51.4 mmol) were added, and toluene (300 mL) was added. The reaction was refluxed for 15 hours. The solution was filtered through filter paper and saturated sodium bicarbonate solution (100 mL) was added. The organic layer was washed once with brine (100 mL). The organic layer was filtered under reduced pressure, and the residue was purified using silica gel column chromatography (elution solvent EA: Hex: MC = 1: 2: 2). Fractions containing product were combined and evaporated to give a brown solid (8.67 g, 67%).
1H-NMR(DMSO); δ = 8.11(2H, m), 8.01(2H, m), 7.61(1H, d, J=1.526), 6.92(1H, d, J=1.526).
c)4−(6−オキソ−4−フェニル−6H−ピラン−2−イル)−ベンゾニトリルの合成
100mLフラスコに、4−(4−ブロモ−6−オキソ−6H−ピラン−2−イル)−ベンゾニトリル(2g、7.24mmol)とトリブチルフェニルスズ(2.36mL、7.24mmol)とPd(PPh3)4(419mg、0.05mmol)を入れた。DMF(40mL)を加えた後、反応液を110℃で12時間攪拌し、溶媒を減圧下で蒸留した後、水を加えた。得られた溶液を酢酸エチルで抽出した。抽出液を無水硫酸マグネシウムで乾燥し、濾過し、濾液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 EA:Hex=1:10)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(1.49g、75.4%)を得た。
1 H-NMR (DMSO); δ = 8.11 (2H, m), 8.01 (2H, m), 7.61 (1H, d, J = 1.526), 6.92 (1H, d, J = 1.526).
c) Synthesis of 4- (6-oxo-4-phenyl-6H-pyran-2-yl) -benzonitrile In a 100 mL flask, 4- (4-bromo-6-oxo-6H-pyran-2-yl)- Benzonitrile (2 g, 7.24 mmol), tributylphenyltin (2.36 mL, 7.24 mmol) and Pd (PPh 3 ) 4 (419 mg, 0.05 mmol) were added. After adding DMF (40 mL), the reaction solution was stirred at 110 ° C. for 12 hours, the solvent was distilled off under reduced pressure, and then water was added. The resulting solution was extracted with ethyl acetate. The extract was dried over anhydrous magnesium sulfate, filtered and the filtrate was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent EA: Hex = 1: 10). Fractions containing product were combined and evaporated to give a white solid (1.49 g, 75.4%).
1H-NMR(CDCl3); δ = 8.01(2H, m), 7.79(2H, m), 7.64(2H, m), 7.54(3H, m), 7.05(1H, d, J=1.526), 6.56(1H, d, J=1.526).
d)4−(1−アミノ−6−オキソ−4−フェニル−1,6−ジヒドロ−ピリジン−2−イル)−ベンゾニトリルの合成
50mLフラスコに、4−(6−オキソ−4−フェニル−6H−ピラン−2−イル)−ベンゾニトリル(1g、3.66mmol)と磁気バーを入れた後、フラスコを窒素充填し、エタノール(10mL)を加えた。ヒドラジン水和物(3.57mL、7.32mmol)を加え、反応液を60℃で12時間攪拌した。溶液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 EA:Hex:MC=1:5:5)を用いて精製した。生成物を含有する分画を合わせ、蒸発させた後、酢酸エチル/n−ヘキサンで再結晶化して白色固体(571mg、51%)を得た。
1 H-NMR (CDCl 3 ); δ = 8.01 (2H, m), 7.79 (2H, m), 7.64 (2H, m), 7.54 (3H, m), 7.05 (1H, d, J = 1.526), 6.56 (1H, d, J = 1.526).
d) Synthesis of 4- (1-amino-6-oxo-4-phenyl-1,6-dihydro-pyridin-2-yl) -benzonitrile Into a 50 mL flask was added 4- (6-oxo-4-phenyl-6H). After adding -pyran-2-yl) -benzonitrile (1 g, 3.66 mmol) and a magnetic bar, the flask was filled with nitrogen and ethanol (10 mL) was added. Hydrazine hydrate (3.57 mL, 7.32 mmol) was added and the reaction was stirred at 60 ° C. for 12 hours. The solution was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent EA: Hex: MC = 1: 5: 5). Fractions containing product were combined and evaporated, then recrystallized with ethyl acetate / n-hexane to give a white solid (571 mg, 51%).
1H-NMR(CDCl3); δ = 7.79(1H, m), 7.77(1H, m), 7.72(1H, m), 7.69(1H, m), 7.58(2H, m), 7.45(3H, m), 6.91(1H, d, J=1.907), 6.44(1H, d, J=1.907).
実施例49:3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−安息香酸(化合物54)の合成
50mLフラスコに、3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−ベンゾニトリル(200mg、0.68mmol)と磁気バーを入れた後、フラスコを窒素充填した。濃塩酸(10mL)を加えた後、溶液を4時間還流した。次に、HClを減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=10:1)を用いて精製した。生成物を含有する-分画を合わせ、蒸発させて白色固体(164mg、56%)を得た。
1 H-NMR (CDCl 3 ); δ = 7.79 (1H, m), 7.77 (1H, m), 7.72 (1H, m), 7.69 (1H, m), 7.58 (2H, m), 7.45 (3H, m), 6.91 (1H, d, J = 1.907), 6.44 (1H, d, J = 1.907).
Example 49 Synthesis of 3- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -benzoic acid (Compound 54) In a 50 mL flask, 3- (1-amino After adding -6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -benzonitrile (200 mg, 0.68 mmol) and a magnetic bar, the flask was filled with nitrogen. After adding concentrated hydrochloric acid (10 mL), the solution was refluxed for 4 hours. The HCl was then distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 10: 1). Product containing-fractions were combined and evaporated to give a white solid (164 mg, 56%).
1H-NMR(DMSO); δ = 8.15(t, 1H), 7.96(m, 2H), 7.61(t,1H), 6.62(d, 1H, J=2.289), 6.39(d, 1H, J=2.289), 5.95(s, 2H), 1.99(m, 2H), 1.74(m, 3H), 1.36(m, 5H).
実施例50:3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−ベンゾニトリル(化合物55)の合成
実施例1)のe)と同様にして3−(6−シクロヘキシル−2−オキソ−2H−ピラン−4−イル)−ベンゾニトリル(1g、3.58mmol)を反応させて、標記化合物3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−ベンゾニトリル(641mg、61%)を得た。
1 H-NMR (DMSO); δ = 8.15 (t, 1H), 7.96 (m, 2H), 7.61 (t, 1H), 6.62 (d, 1H, J = 2.289), 6.39 (d, 1H, J = 2.289), 5.95 (s, 2H), 1.99 (m, 2H), 1.74 (m, 3H), 1.36 (m, 5H).
Example 50: Synthesis of 3- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -benzonitrile (Compound 55) In analogy to e) of Example 1). 3- (6-cyclohexyl-2-oxo-2H-pyran-4-yl) -benzonitrile (1 g, 3.58 mmol) was reacted to give the title compound 3- (1-amino-6-cyclohexyl-2- Oxo-1,2-dihydro-pyridin-4-yl) -benzonitrile (641 mg, 61%) was obtained.
1H-NMR(DMSO); δ = 8.27(1H, t, J=1.526), 8.07(1H, m), 7.90(1H, m), 7.67(1H, t, J=8.011), 6.73(1H, d, J=2.289), 6.49(1H, d, J=2.289), 5.99(1H, s), 5.97(1H, s), 3.20(1H, m), 1.99(2H, m), 1.79(3H, m), 1.39(5H, m).
実施例51:1−アミノ−6−シクロヘキシル−4−[4−(5H−テトラゾール−5−イル)−フェニル]−1H−ピリジン−2−オン(化合物56)の合成
4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロ−ピリジン−4−イル)−ベンゾニトリル(290mg、0.989mmol)をDMF(20mL)に溶かした。NaN3(192mg、2.967mmol)とNH4Cl(159mg、2.967mmol)を加えて、反応液を110℃に加熱した。4時間後、反応液を減圧下で蒸留した。残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒 MC:MeOH=4:1)を用いて精製した。生成物を含有する分画を合わせ、蒸発させて白色固体(128mg、39%)を得た。
1 H-NMR (DMSO); δ = 8.27 (1H, t, J = 1.526), 8.07 (1H, m), 7.90 (1H, m), 7.67 (1H, t, J = 8.011), 6.73 (1H, d, J = 2.289), 6.49 (1H, d, J = 2.289), 5.99 (1H, s), 5.97 (1H, s), 3.20 (1H, m), 1.99 (2H, m), 1.79 (3H, m), 1.39 (5H, m).
Example 51: Synthesis of 1-amino-6-cyclohexyl-4- [4- (5H-tetrazol-5-yl) -phenyl] -1H-pyridin-2-one (Compound 56) 6-Cyclohexyl-2-oxo-1,2-dihydro-pyridin-4-yl) -benzonitrile (290 mg, 0.989 mmol) was dissolved in DMF (20 mL). NaN 3 (192 mg, 2.967 mmol) and NH 4 Cl (159 mg, 2.967 mmol) were added and the reaction was heated to 110 ° C. After 4 hours, the reaction solution was distilled under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent MC: MeOH = 4: 1). Fractions containing product were combined and evaporated to give a white solid (128 mg, 39%).
1H-NMR(CDCl3); d = 8.57(d, 2H), 7.81(s, 1H), 7.65(s, 1H), 6.76(d, 1H, J=2.4Hz), 6.54(d, 1H, J=2.1Hz), 3.28(m, 1H), 2.2-1.4(m, 10H).
MS(ESI); 337(M++l).
実験例1:LPDE4抑制活性(ロリプラムに対する低親和性)
ラット(雄、200−300g)の肺を摘出し、直ちに緩衝液[50mM トリス HCl(pH6.5)、2mM EDTA、5mM 2−メルカプトエタノール、2mM ベンズアミジン及び10μM ロイペプチンに移した。まず、摘出された肺をハサミで細切りした後、ポリトロンを用いて均質化した。前記のように作製された均質化された肺を35000gで1時間遠心分離した。得られた上清を集めた後、ジエチルアミノエチル(DEAE)−セファローズカラムを行ない、50mMから1000mM酢酸ナトリウムの直線的に増加する塩勾配を用いてPDE4酵素を溶出した(流速:3mL/min.、分別蒸留体積:5mL)。前記のように作製されたそれぞれの分画に最終濃度0.1%となるように牛血清アルブミンを加え、PDE4活性を示す分画を集め、使用までに保管した。
1 H-NMR (CDCl 3 ); d = 8.57 (d, 2H), 7.81 (s, 1H), 7.65 (s, 1H), 6.76 (d, 1H, J = 2.4Hz), 6.54 (d, 1H, J = 2.1Hz), 3.28 (m, 1H), 2.2-1.4 (m, 10H).
MS (ESI); 337 (M + + l).
Experimental Example 1: LPDE4 inhibitory activity (low affinity for rolipram)
Rat (male, 200-300 g) lungs were removed and immediately transferred to buffer [50 mM Tris HCl (pH 6.5), 2 mM EDTA, 5 mM 2-mercaptoethanol, 2 mM benzamidine and 10 μM leupeptin. First, the excised lung was cut into small pieces with scissors and then homogenized using polytron. The homogenized lung made as described above was centrifuged at 35000 g for 1 hour. The collected supernatant was collected and then subjected to a diethylaminoethyl (DEAE) -Sepharose column to elute the PDE4 enzyme using a linearly increasing salt gradient from 50 mM to 1000 mM sodium acetate (flow rate: 3 mL / min. Fractional distillation volume: 5 mL). Bovine serum albumin was added to each of the fractions prepared as described above to a final concentration of 0.1%, and fractions showing PDE4 activity were collected and stored until use.
分析用緩衝液を製造[50mM トリス HCl(pH6.5)、5mM MgCl2、4mM 2−メルカプトエタノール、0.15mg/mL 牛血清アルブミン(BSA)]し、分画に残っているPDE3活性を抑制するために、全分析はcGMP存在下で遂行した。最終反応体積は100uLで、基質として0.25μM[3H]cAMPを加えた。反応は30℃で、30分間実施した後、サンプルを沸騰水浴に1分間置いて反応を終了させた後、直ちに氷浴上に移した。次ぎに、各ウェルに10μL(5mg/mL)の蛇毒を加えて、30℃で、20分間、さらに培養した。続いて、AGI−X8樹脂を加えて反応液から生[3H]アデノシンを分離し、得られたサンプルの放射活性を液体シンチレーション計数で測定した。本発明に係るPDE4抑制剤の抑制効果は各濃度で抑制率として表わし、50%抑制活性を示す化合物の濃度(IC50)が算定された。 Preparation of analysis buffer [50 mM Tris HCl (pH 6.5), 5 mM MgCl 2 , 4 mM 2-mercaptoethanol, 0.15 mg / mL bovine serum albumin (BSA)] to suppress PDE3 activity remaining in the fraction All analyzes were performed in the presence of cGMP. The final reaction volume was 100 uL and 0.25 μM [ 3 H] cAMP was added as a substrate. The reaction was carried out at 30 ° C. for 30 minutes, and the sample was placed in a boiling water bath for 1 minute to terminate the reaction, and immediately transferred to an ice bath. Next, 10 μL (5 mg / mL) of snake venom was added to each well, and further cultured at 30 ° C. for 20 minutes. Subsequently, AGI-X8 resin was added to separate raw [ 3 H] adenosine from the reaction solution, and the radioactivity of the obtained sample was measured by liquid scintillation counting. The inhibitory effect of the PDE4 inhibitor according to the present invention was expressed as the inhibition rate at each concentration, and the concentration of the compound showing 50% inhibitory activity (IC 50 ) was calculated.
本発明に係る化合物のLPDE4抑制活性は表1に示した。
実験例2:HPDE4抑制活性(ロリプラムに対する高親和性)
ラット(雄、200−300g)の脳を摘出し、直ちに緩衝液(50mM トリス HCl(pH8.0)、2mM MgCl2、0.1mM DTT及び10μM ロイペプチン)に移した。まず、脳をハサミで細切りした後、ポリトロンを用いて均質化した。前記のように作製された均質化された脳を45000gで1時間遠心分離した。得られた沈殿物を集め、緩衝液[50mM トリス HCl(pH8.0)、2mM MgCl2 ]で再懸濁し、等分して、使用時までに−20℃で保管した。
The LPDE4 inhibitory activity of the compounds according to the present invention is shown in Table 1.
Experimental Example 2: HPDE4 inhibitory activity (high affinity for rolipram)
Rat (male, 200-300 g) brains were removed and immediately transferred to buffer (50 mM Tris HCl (pH 8.0), 2 mM MgCl 2 , 0.1 mM DTT and 10 μM leupeptin). First, the brain was minced with scissors and then homogenized using polytron. The homogenized brain prepared as described above was centrifuged at 45000 g for 1 hour. The resulting precipitate was collected, resuspended in buffer [50 mM Tris HCl (pH 8.0), 2 mM MgCl 2 ], aliquoted, and stored at −20 ° C. until use.
分析用緩衝液を製造[50mM トリス HCl(pH8.0)、5mM MgCl2及び0.05mM 5’−AMP]し、200μLの最終体積で反応を遂行し、各ウェルに均質化された脳200μgを加えた。最後に、[3H]−(±)ロリプラムが最終濃度3nMになるように加え、サンプルを30℃で、1時間培養した。続いて、結合されたロリプラムは、得られた溶液を遠心分離(3000rpm、3分)による濾過を通すことによって除去した。非特異的結合は10μMのRP73401の存在下で測定した。放射活性は液体シンチレーション計数で測定した。各濃度において、本発明の化合物による放射活性の量の減少は減少率として表わし、50%抑制活性を示す化合物の濃度(IC50)が算定された。 Prepare analysis buffer [50 mM Tris HCl (pH 8.0), 5 mM MgCl 2 and 0.05 mM 5′-AMP], perform the reaction in a final volume of 200 μL, and add 200 μg of homogenized brain to each well. added. Finally, [ 3 H]-(±) rolipram was added to a final concentration of 3 nM, and the sample was incubated at 30 ° C. for 1 hour. Subsequently, bound rolipram was removed by passing the resulting solution through filtration by centrifugation (3000 rpm, 3 minutes). Nonspecific binding was determined in the presence of 10 μM RP73401. Radioactivity was measured by liquid scintillation counting. At each concentration, the decrease in the amount of radioactivity by the compound of the present invention was expressed as a decreasing rate, and the concentration of the compound showing 50% inhibitory activity (IC 50 ) was calculated.
本発明に係る化合物のHPDE4抑制活性を表1に示した。 Table 1 shows the HPDE4 inhibitory activity of the compounds according to the present invention.
発明の効果
本発明に係る化合物は強力なPDE4抑制活性を示し、さらに、治療濃度で、吐き気や嘔吐などの副作用を示さない。。従って、本発明に係る化合物は、気管支拡張作用と抗炎症の直接的な機能活性を通じてCOPDと関連がある肺機能の急性悪化を防ぐために有用である。また、疾患と関連がある肺機能の漸進的な悪化を治療し、それによって患者の生活の質を改善するために有用である。
EFFECT OF THE INVENTION The compound according to the present invention exhibits a strong PDE4 inhibitory activity and further does not show side effects such as nausea and vomiting at therapeutic concentrations. . Therefore, the compounds according to the present invention are useful for preventing acute deterioration of pulmonary function associated with COPD through direct functional activity of bronchodilation and anti-inflammatory. It is also useful to treat the progressive deterioration of lung function associated with the disease, thereby improving the quality of life of the patient.
Claims (9)
R1はC6−C12アリール、C3−C8シクロアルキル、及び1−3個のヘテロ原子を含有する飽和または不飽和のC2−C11モノ−またはポリ−ヘテロ環からなる群より選択され、それらは、一つまたは二つのR7によって置換されていてもよく、
R2はC6−C12アリール、C3−C8シクロアルキル、及び1−3個のヘテロ原子を含有する飽和または不飽和のC2−C11モノまたはポリヘテロ環からなる群より選択され、それらは、一つまたは二つのR8によって置換されていてもよく、
R3及びR4は同一または異なっていてもよく、水素、C1−C6アルキル、及びC2−C7アルキルカルボニルからなる群より選択され、
R5及びR6は同一または異なっていてもよく、水素、C1−C6アルキル、C2−C7アルキルカルボニル、及びC2−C7アルコキシカルボニルからなる群より選択され、
R7は水素、C1−C6アルキル、C1−C6アルコキシ、C2−C7アルコキシカルボニル、C6−C12アリール、1−4個のヘテロ原子を含有するC1−C5ヘテロアリール、ハロゲン、CN、CF3、CO2H、CONH2、CONHNH2、及びNHCOCH3からなる群より選択され、
R8は水素、C1−C6アルキル、C1−C6アルコキシ、ヒドロキシ、ハロゲン、CN、及びCO2Hからなる群より選択され、
R1及びR4は選択的に連結されて芳香族環を形成していてもよい)。 A compound of the following formula (1) or a pharmaceutically acceptable salt thereof
R 1 is from the group consisting of C 6 -C 12 aryl, C 3 -C 8 cycloalkyl, and a saturated or unsaturated C 2 -C 11 mono- or poly-heterocycle containing 1-3 heteroatoms. Selected, they may be substituted by one or two R 7 ,
R 2 is selected from the group consisting of C 6 -C 12 aryl, C 3 -C 8 cycloalkyl, and a saturated or unsaturated C 2 -C 11 mono- or polyheterocycle containing 1-3 heteroatoms; They may be substituted by one or two R 8 ,
R 3 and R 4 may be the same or different and are selected from the group consisting of hydrogen, C 1 -C 6 alkyl, and C 2 -C 7 alkylcarbonyl;
R 5 and R 6 may be the same or different and are selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 2 -C 7 alkylcarbonyl, and C 2 -C 7 alkoxycarbonyl;
R 7 is hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 2 -C 7 alkoxycarbonyl, C 6 -C 12 aryl, C 1 -C 5 hetero containing 1-4 heteroatoms Selected from the group consisting of aryl, halogen, CN, CF 3 , CO 2 H, CONH 2 , CONHNH 2 , and NHCOCH 3 ;
R 8 is selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, hydroxy, halogen, CN, and CO 2 H;
R 1 and R 4 may be selectively connected to form an aromatic ring).
R2はフェニル、C5−C6シクロアルキル、及び1−2個のヘテロ原子を含有するC2−C5ヘテロ環からなる群より選択され、それらは、一つまたは二つのR8によって置換されていてもよく、
R3及びR4は同一または異なっていてもよく、水素、C1−C6アルキル、及びC2−C7アルキルカルボニルからなる群より選択され、
R5及びR6は同一または異なっていてもよく、水素、C1−C6アルキル、C2−C7アルキルカルボニル、及びC2−C7アルコキシカルボニルからなる群より選択され、
R7は水素、C1−C6アルキル、C1−C6アルコキシ、C2−C7アルコキシカルボニル、C6−C12アリール、1−4個のヘテロ原子を含有するC1−C3ヘテロアリール、ハロゲン、CN、CF3、CO2H、CONH2、CONHNH2、及びNHCOCH3からなる群より選択され、
R8は水素、C1−C6アルキル、C1−C6アルコキシ、ヒドロキシ、ハロゲン、CN、及びCO2Hからなる群より選択され、
R1及びR4は選択的に連結されて芳香族環を形成していてもよい、請求項1に記載の化合物。 R 1 is selected from the group consisting of phenyl, C 5 -C 6 cycloalkyl, and C 2 -C 5 heterocycle containing 1-2 heteroatoms, which are substituted by one or two R 7 May have been
R 2 is selected from the group consisting of phenyl, C 5 -C 6 cycloalkyl, and a C 2 -C 5 heterocycle containing 1-2 heteroatoms, which are substituted by one or two R 8 May have been
R 3 and R 4 may be the same or different and are selected from the group consisting of hydrogen, C 1 -C 6 alkyl, and C 2 -C 7 alkylcarbonyl;
R 5 and R 6 may be the same or different and are selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 2 -C 7 alkylcarbonyl, and C 2 -C 7 alkoxycarbonyl;
R 7 is hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 2 -C 7 alkoxycarbonyl, C 6 -C 12 aryl, C 1 -C 3 hetero containing 1-4 heteroatoms Selected from the group consisting of aryl, halogen, CN, CF 3 , CO 2 H, CONH 2 , CONHNH 2 , and NHCOCH 3 ;
R 8 is selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, hydroxy, halogen, CN, and CO 2 H;
The compound according to claim 1, wherein R 1 and R 4 may be selectively connected to form an aromatic ring.
1−アミノ−4,6−ビス(シクロヘキシル)−1H−ピリジン−2−オン(化合物2);
1−アミノ−6−シクロヘキシル−5−メチル−4−フェニル−1H−ピリジン−2−オン(化合物3);
1−アミノ−6−シクロヘキシル−3−メチル−4−フェニル−1H−ピリジン−2−オン(化合物4);
1−アミノ−6−(2−メトキシフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物5);
1−アミノ−6−(3−メトキシフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物6);
1−アミノ−6−(4−フルオロフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物7);
1−アミノ−6−(3,4−ジメトキシフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物8);
1−アミノ−4−フェニル−6−o−トイル−1H−ピリジン−2−オン(化合物9);
1−アミノ−6−シクロプロピル−4−フェニル−1H−ピリジン−2−オン(化合物10);
1−アミノ−6−シクロペンチル−4−フェニル−1H−ピリジン−2−オン(化合物11);
1−アミノ−4−フェニル−6−(テトラヒドロピラン−4−イル)−1H−ピリジン−2−オン(化合物12);
1−アミノ−6−(4−メトキシフェニル)−4−フェニル−1H−ピリジン−2−オン(化合物13);
1−アミノ−6−シクロヘプチル−4−イミダゾール−1−イル−1H−ピリジン−2−オン(化合物14);
1−アミノ−4−(4−フルオロフェニル)−6−フェニル−1H−ピリジン−2−オン(化合物15);
1−アミノ−4−シクロペンチル−6−フェニル−1H−ピリジン−2−オン(化合物16);
1−アミノ−6−シクロヘキシル−4−ナフタレン−1−イル−1H−ピリジン−2−オン(化合物17);
1−メチルアミノ−4,6−ジフェニル−1H−ピリジン−2−オン(化合物18);
1−アミノ−6−シクロヘキシル−4−イミダゾール−1−イル−1H−ピリジン−2−オン(化合物19);
1−アミノ−6−シクロヘキシル−4−[1,2,3]トリアゾール−1−イル−1H−ピリジン−2−オン(化合物20);
1−アミノ−6−シクロペンチル−4−(イミダゾール)−1−イル−1H−ピリジン−2−オン(化合物21)
1−アミノ−6−シクロヘキシル−4−(1,2,4−トリアゾール)−1−イル−1H−ピリジン−2−オン(化合物22);
1−アミノ−6−シクロヘキシル−4−[3−(メチル)ピロ−ル]−1−イル−1H−ピリジン−2−オン(化合物23);
1−アミノ−6−シクロヘキシル−4−(4−メチルイミダゾール)−1−イル−1H−ピリジン−2−オン(化合物24);
1−アミノ−6−シクロヘキシル−4−(4−フェニルイミダゾール)−1−イル−1H−ピリジン−2−オン(化合物25);
1−アミノ−6−シクロヘキシル−4−ピラゾール−1−イル−1H−ピリジン−2−オン(化合物26);
1−アミノ−6−シクロヘキシル−4−(2−メチルイミダゾール−1−イル)−1H−ピリジン−2−オン(化合物27);
1−アミノ−6−シクロヘキシル−4−(2−エチルイミダゾール−1−イル)−1H−ピリジン−2−オン(化合物28);
1−(アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−1H−イミダゾール−4−カルボン酸ヒドラジド(化合物29);
1−アミノ−4−ベンズイミダゾール−1−イル−6−シクロヘキシル−1H−ピリジン−2−オン(化合物30);
2−アミノ−3−フェニル−2H−イソキノリン−1−オン(化合物31);
4−アセチル−2−アミノ−3−フェニル−2H−イソキノリン−1−オン(化合物32);
1−アミノ−4−イミダゾール−1−イル−6−(4−メトキシシクロヘキシル)−1H−ピリジン−2−オン(化合物33);
1−アミノ−6−(4−ヒドロキシシクロヘキシル)−4−イミダゾール−1−イル−1H−ピリジン−2−オン(化合物34);
4−(1−アミノ−2−オキソ−6−フェニル−1,2−ジヒドロピリジン−4−イル)−ベンゾニトリル(化合物35);
4−(1−アミノ−2−オキソ−6−フェニル−1,2−ジヒドロピリジン−4−イル)−安息香酸(化合物36);
4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−ベンゾニトリル(化合物37);
4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−安息香酸(化合物38);
4−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−ベンズアミド(化合物39);
1−アミノ−6−シクロヘキシル−4−(4−トリフルオロメチルイミダゾール−1−イル)−1H−ピリジン−2−オン(化合物40);
1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−1H−イミダゾール−4−カルボニトリル(化合物41);
1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−1H−イミダゾール−4−カルボン酸アミド(化合物42);
(6−シクロヘキシル−4−イミダゾール−1−イル−2−オキソ−2H−ピリジン−1−イル)−カルバミン酸メチルエステル(化合物43);
4−(1−アミノ−4−イミダゾール−1−イル−6−オキソ−1,6−ジヒドロピリジン−2−イル)−シクロヘキサン−カルボニトリル(化合物44);
4−(1−アミノ−4−イミダゾール−1−イル−6−オキソ−1,6−ジヒドロピリジン−2−イル)−シクロヘキサン−カルボン酸(化合物45);
1’−アミノ−6’−シクロヘキシル−1’H−[2,4’]ビピリジニル−2’−オン(化合物46);
N−[3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−フェニル]−アセトアミド(化合物47);
1'−アミノ−6’−シクロヘキシル−2’−オキソ−1’,2’−ジヒドロ−[2,4’] ビピリジニル−5−カルボニトリル(化合物48);
1’−アミノ−6’−シクロヘキシル−2’−オキソ−1’,2’−ジヒドロ−[2,4’]ビピリジニル−5−カルボン酸アミド(化合物49);
1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−1H−イミダゾール−4−カルボン酸(化合物50);
1−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−1H−イミダゾール−4−カルボン酸メチルエステル(化合物51);
4−(1−アミノ−6−オキソ−4−フェニル−1,6−ジヒドロピリジン−2−イル)−安息香酸(化合物52);
4−(1−アミノ−6−オキソ−4−フェニル−1,6−ジヒドロピリジン−2−イル)−ベンゾニトリル(化合物53);
3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−安息香酸(化合物54);
3−(1−アミノ−6−シクロヘキシル−2−オキソ−1,2−ジヒドロピリジン−4−イル)−ベンゾニトリル(化合物55);及び
1−アミノ−6−シクロヘキシル−4−[4−(5H−テトラゾール−5−イル)−フェニル]−1H−ピリジン−2−オン(化合物56)、からなる群より選択される、請求項1に記載の化合物。 1-amino-6-cyclohexyl-4-phenyl-1H-pyridin-2-one (Compound 1);
1-amino-4,6-bis (cyclohexyl) -1H-pyridin-2-one (compound 2);
1-amino-6-cyclohexyl-5-methyl-4-phenyl-1H-pyridin-2-one (compound 3);
1-amino-6-cyclohexyl-3-methyl-4-phenyl-1H-pyridin-2-one (compound 4);
1-amino-6- (2-methoxyphenyl) -4-phenyl-1H-pyridin-2-one (compound 5);
1-amino-6- (3-methoxyphenyl) -4-phenyl-1H-pyridin-2-one (compound 6);
1-amino-6- (4-fluorophenyl) -4-phenyl-1H-pyridin-2-one (compound 7);
1-amino-6- (3,4-dimethoxyphenyl) -4-phenyl-1H-pyridin-2-one (Compound 8);
1-amino-4-phenyl-6-o-toyl-1H-pyridin-2-one (compound 9);
1-amino-6-cyclopropyl-4-phenyl-1H-pyridin-2-one (compound 10);
1-amino-6-cyclopentyl-4-phenyl-1H-pyridin-2-one (Compound 11);
1-amino-4-phenyl-6- (tetrahydropyran-4-yl) -1H-pyridin-2-one (Compound 12);
1-amino-6- (4-methoxyphenyl) -4-phenyl-1H-pyridin-2-one (compound 13);
1-amino-6-cycloheptyl-4-imidazol-1-yl-1H-pyridin-2-one (compound 14);
1-amino-4- (4-fluorophenyl) -6-phenyl-1H-pyridin-2-one (compound 15);
1-amino-4-cyclopentyl-6-phenyl-1H-pyridin-2-one (Compound 16);
1-amino-6-cyclohexyl-4-naphthalen-1-yl-1H-pyridin-2-one (Compound 17);
1-methylamino-4,6-diphenyl-1H-pyridin-2-one (compound 18);
1-amino-6-cyclohexyl-4-imidazol-1-yl-1H-pyridin-2-one (Compound 19);
1-amino-6-cyclohexyl-4- [1,2,3] triazol-1-yl-1H-pyridin-2-one (Compound 20);
1-amino-6-cyclopentyl-4- (imidazol) -1-yl-1H-pyridin-2-one (Compound 21)
1-amino-6-cyclohexyl-4- (1,2,4-triazol) -1-yl-1H-pyridin-2-one (Compound 22);
1-amino-6-cyclohexyl-4- [3- (methyl) pyrrol] -1-yl-1H-pyridin-2-one (Compound 23);
1-amino-6-cyclohexyl-4- (4-methylimidazol) -1-yl-1H-pyridin-2-one (Compound 24);
1-amino-6-cyclohexyl-4- (4-phenylimidazol) -1-yl-1H-pyridin-2-one (Compound 25);
1-amino-6-cyclohexyl-4-pyrazol-1-yl-1H-pyridin-2-one (Compound 26);
1-amino-6-cyclohexyl-4- (2-methylimidazol-1-yl) -1H-pyridin-2-one (Compound 27);
1-amino-6-cyclohexyl-4- (2-ethylimidazol-1-yl) -1H-pyridin-2-one (Compound 28);
1- (amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -1H-imidazole-4-carboxylic acid hydrazide (Compound 29);
1-amino-4-benzimidazol-1-yl-6-cyclohexyl-1H-pyridin-2-one (Compound 30);
2-Amino-3-phenyl-2H-isoquinolin-1-one (Compound 31);
4-acetyl-2-amino-3-phenyl-2H-isoquinolin-1-one (Compound 32);
1-amino-4-imidazol-1-yl-6- (4-methoxycyclohexyl) -1H-pyridin-2-one (Compound 33);
1-amino-6- (4-hydroxycyclohexyl) -4-imidazol-1-yl-1H-pyridin-2-one (Compound 34);
4- (1-amino-2-oxo-6-phenyl-1,2-dihydropyridin-4-yl) -benzonitrile (Compound 35);
4- (1-amino-2-oxo-6-phenyl-1,2-dihydropyridin-4-yl) -benzoic acid (Compound 36);
4- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -benzonitrile (Compound 37);
4- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -benzoic acid (Compound 38);
4- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -benzamide (Compound 39);
1-amino-6-cyclohexyl-4- (4-trifluoromethylimidazol-1-yl) -1H-pyridin-2-one (Compound 40);
1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -1H-imidazole-4-carbonitrile (Compound 41);
1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -1H-imidazole-4-carboxylic acid amide (Compound 42);
(6-Cyclohexyl-4-imidazol-1-yl-2-oxo-2H-pyridin-1-yl) -carbamic acid methyl ester (Compound 43);
4- (1-amino-4-imidazol-1-yl-6-oxo-1,6-dihydropyridin-2-yl) -cyclohexane-carbonitrile (Compound 44);
4- (1-amino-4-imidazol-1-yl-6-oxo-1,6-dihydropyridin-2-yl) -cyclohexane-carboxylic acid (Compound 45);
1'-amino-6'-cyclohexyl-1'H- [2,4 '] bipyridinyl-2'-one (compound 46);
N- [3- (1-Amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -phenyl] -acetamide (Compound 47);
1′-amino-6′-cyclohexyl-2′-oxo-1 ′, 2′-dihydro- [2,4 ′] bipyridinyl-5-carbonitrile (Compound 48);
1′-amino-6′-cyclohexyl-2′-oxo-1 ′, 2′-dihydro- [2,4 ′] bipyridinyl-5-carboxylic acid amide (Compound 49);
1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -1H-imidazole-4-carboxylic acid (compound 50);
1- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -1H-imidazole-4-carboxylic acid methyl ester (Compound 51);
4- (1-amino-6-oxo-4-phenyl-1,6-dihydropyridin-2-yl) -benzoic acid (Compound 52);
4- (1-amino-6-oxo-4-phenyl-1,6-dihydropyridin-2-yl) -benzonitrile (Compound 53);
3- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -benzoic acid (Compound 54);
3- (1-amino-6-cyclohexyl-2-oxo-1,2-dihydropyridin-4-yl) -benzonitrile (compound 55); and 1-amino-6-cyclohexyl-4- [4- (5H- 2. The compound of claim 1, selected from the group consisting of tetrazol-5-yl) -phenyl] -1H-pyridin-2-one (Compound 56).
(式中、
R1はC6−C12アリール、C3−C8シクロアルキル、及び1−3個のヘテロ原子を含有する飽和または不飽和のC2−C11モノ−またはポリ−ヘテロ環からなる群より選択され、それらは、一つまたは二つのR7によって置換されていてもよく、
R2はC6−C12アリール、C3−C8シクロアルキル、及び1−3個のヘテロ原子を含有する飽和または不飽和のC2−C11モノ−またはポリ−ヘテロ環からなる群より選択され、それらは、一つまたは二つのR8によって置換されていてもよいもよく、
R3及びR4は同一または異なっていてもよく、水素、C1−C6アルキル、及びC2−C7アルキルカルボニルからなる群より選択され、
R5及びR6は同一または異なっていてもよく、水素、C1−C6アルキル、C2−C7アルキルカルボニル、及びC2−C7アルコキシカルボニルからなる群より選択され、
R7は水素、C1−C6アルキル、C1−C6アルコキシ、C2−C7アルコキシカルボニル、C6−C12アリール、1−4個のヘテロ原子を含有するC1−C5ヘテロアリール、ハロゲン、CN、CF3、CO2H、CONH2、CONHNH2、及びNHCOCH3からなる群より選択され、
R8は水素、C1−C6アルキル、C1−C6アルコキシ、ヒドロキシ、ハロゲン、CN、及びCO2Hからなる群より選択され、
R1及びR4は選択的に連結されて芳香族環を形成していてもよく、
Xはヒドロキシまたはハロゲンのような反応性脱離基を示す)。 The manufacturing method of the compound of the following formula (1) or its pharmaceutically acceptable salt including the following process.
(Where
R 1 is from the group consisting of C 6 -C 12 aryl, C 3 -C 8 cycloalkyl, and a saturated or unsaturated C 2 -C 11 mono- or poly-heterocycle containing 1-3 heteroatoms. Selected, they may be substituted by one or two R 7 ,
R 2 is selected from the group consisting of C 6 -C 12 aryl, C 3 -C 8 cycloalkyl, and saturated or unsaturated C 2 -C 11 mono- or poly-heterocycles containing 1-3 heteroatoms. Selected, they may be substituted by one or two R 8 ,
R 3 and R 4 may be the same or different and are selected from the group consisting of hydrogen, C 1 -C 6 alkyl, and C 2 -C 7 alkylcarbonyl;
R 5 and R 6 may be the same or different and are selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 2 -C 7 alkylcarbonyl, and C 2 -C 7 alkoxycarbonyl;
R 7 is hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 2 -C 7 alkoxycarbonyl, C 6 -C 12 aryl, C 1 -C 5 hetero containing 1-4 heteroatoms Selected from the group consisting of aryl, halogen, CN, CF 3 , CO 2 H, CONH 2 , CONHNH 2 , and NHCOCH 3 ;
R 8 is selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, hydroxy, halogen, CN, and CO 2 H;
R 1 and R 4 may be selectively connected to form an aromatic ring,
X represents a reactive leaving group such as hydroxy or halogen).
The PDE4 inhibitor composition according to claim 7 or 8, formulated as a drug for oral administration.
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