WO2007023822A1 - 1-置換-5-アシルイミダゾール化合物の製法 - Google Patents
1-置換-5-アシルイミダゾール化合物の製法 Download PDFInfo
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- WO2007023822A1 WO2007023822A1 PCT/JP2006/316431 JP2006316431W WO2007023822A1 WO 2007023822 A1 WO2007023822 A1 WO 2007023822A1 JP 2006316431 W JP2006316431 W JP 2006316431W WO 2007023822 A1 WO2007023822 A1 WO 2007023822A1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 150000001875 compounds Chemical class 0.000 title claims abstract description 24
- -1 amidine compound Chemical class 0.000 claims abstract description 85
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 92
- 125000000217 alkyl group Chemical group 0.000 claims description 77
- 125000001424 substituent group Chemical group 0.000 claims description 45
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 28
- 125000005843 halogen group Chemical group 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 20
- 125000003545 alkoxy group Chemical group 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 14
- 125000004104 aryloxy group Chemical group 0.000 claims description 12
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 10
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 10
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 8
- 125000004986 diarylamino group Chemical group 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 125000004414 alkyl thio group Chemical group 0.000 claims description 7
- 125000004663 dialkyl amino group Chemical group 0.000 claims description 7
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 229910052740 iodine Chemical group 0.000 claims description 6
- 239000002798 polar solvent Substances 0.000 claims description 6
- 125000005270 trialkylamine group Chemical group 0.000 claims description 4
- 125000005233 alkylalcohol group Chemical group 0.000 claims description 3
- 125000005110 aryl thio group Chemical group 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 45
- 238000006243 chemical reaction Methods 0.000 description 45
- 239000000243 solution Substances 0.000 description 45
- 125000003118 aryl group Chemical group 0.000 description 32
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 21
- 239000007788 liquid Substances 0.000 description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
- 125000003710 aryl alkyl group Chemical group 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 12
- 229910052736 halogen Inorganic materials 0.000 description 12
- 238000003786 synthesis reaction Methods 0.000 description 12
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 11
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 11
- 125000003277 amino group Chemical group 0.000 description 11
- 150000002430 hydrocarbons Chemical group 0.000 description 11
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 11
- 229940043265 methyl isobutyl ketone Drugs 0.000 description 11
- 239000002904 solvent Substances 0.000 description 11
- 238000003756 stirring Methods 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 9
- 239000011521 glass Substances 0.000 description 9
- 150000002367 halogens Chemical class 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 239000002585 base Substances 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 8
- 125000002619 bicyclic group Chemical group 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
- 238000010992 reflux Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 6
- 125000000623 heterocyclic group Chemical group 0.000 description 6
- 238000002955 isolation Methods 0.000 description 6
- 125000002950 monocyclic group Chemical group 0.000 description 6
- DSEHWDFPVDXKQM-UHFFFAOYSA-N n'-propan-2-ylethanimidamide Chemical compound CC(C)N=C(C)N DSEHWDFPVDXKQM-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 6
- 238000010898 silica gel chromatography Methods 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 150000001721 carbon Chemical group 0.000 description 5
- 125000000392 cycloalkenyl group Chemical group 0.000 description 5
- 125000006310 cycloalkyl amino group Chemical group 0.000 description 5
- WVUIPRKOZAFXQA-UHFFFAOYSA-N n'-cyclopropylethanimidamide Chemical compound CC(=N)NC1CC1 WVUIPRKOZAFXQA-UHFFFAOYSA-N 0.000 description 5
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 5
- JBHNCCUZQLCDFX-UHFFFAOYSA-N 1-(2-methyl-3-propan-2-ylimidazol-4-yl)ethanone Chemical compound CC(C)N1C(C)=NC=C1C(C)=O JBHNCCUZQLCDFX-UHFFFAOYSA-N 0.000 description 4
- XLKLSWJVKFKHAE-UHFFFAOYSA-N 3-bromo-4-methoxybut-3-en-2-one Chemical compound COC=C(Br)C(C)=O XLKLSWJVKFKHAE-UHFFFAOYSA-N 0.000 description 4
- OQLZINXFSUDMHM-UHFFFAOYSA-N Acetamidine Chemical compound CC(N)=N OQLZINXFSUDMHM-UHFFFAOYSA-N 0.000 description 4
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 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 description 4
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 4
- 125000001841 imino group Chemical group [H]N=* 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 125000003396 thiol group Chemical group [H]S* 0.000 description 4
- RPFRSUWDBSVYSI-UHFFFAOYSA-N 1-(3-cyclopropyl-2-methylimidazol-4-yl)ethanone Chemical compound CC(=O)C1=CN=C(C)N1C1CC1 RPFRSUWDBSVYSI-UHFFFAOYSA-N 0.000 description 3
- VXQIKLXFVXWEPW-UHFFFAOYSA-N 1-(3-propan-2-ylimidazol-4-yl)ethanone Chemical compound CC(C)N1C=NC=C1C(C)=O VXQIKLXFVXWEPW-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 125000004093 cyano group Chemical group *C#N 0.000 description 3
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- DCTMIFVCTIMQPP-UHFFFAOYSA-N n'-propan-2-ylmethanimidamide Chemical compound CC(C)N=CN DCTMIFVCTIMQPP-UHFFFAOYSA-N 0.000 description 3
- GMOWVLNENGLWNO-UHFFFAOYSA-N n'-tert-butylethanimidamide Chemical compound CC(N)=NC(C)(C)C GMOWVLNENGLWNO-UHFFFAOYSA-N 0.000 description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 description 3
- 125000004076 pyridyl group Chemical group 0.000 description 3
- BXRZCCRVYHHYBZ-UHFFFAOYSA-N (2-methyl-3-propan-2-ylimidazol-4-yl)-phenylmethanone Chemical compound CC(C)N1C(C)=NC=C1C(=O)C1=CC=CC=C1 BXRZCCRVYHHYBZ-UHFFFAOYSA-N 0.000 description 2
- FLRIKQFCUGNIDT-UHFFFAOYSA-N 1-(3-tert-butyl-2-methylimidazol-4-yl)ethanone Chemical compound CC(=O)C1=CN=C(C)N1C(C)(C)C FLRIKQFCUGNIDT-UHFFFAOYSA-N 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 125000001769 aryl amino group Chemical group 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000003637 basic solution Substances 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000005587 carbonate group Chemical group 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000002541 furyl group Chemical group 0.000 description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 150000007529 inorganic bases Chemical class 0.000 description 2
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 239000006187 pill Substances 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 150000003230 pyrimidines Chemical class 0.000 description 2
- 125000000168 pyrrolyl group Chemical group 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 description 2
- RQEUFEKYXDPUSK-SSDOTTSWSA-N (1R)-1-phenylethanamine Chemical compound C[C@@H](N)C1=CC=CC=C1 RQEUFEKYXDPUSK-SSDOTTSWSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- HBPFJXZIYHAKCY-UHFFFAOYSA-N 1-bromo-4-methoxybut-3-en-2-one Chemical compound BrCC(C=COC)=O HBPFJXZIYHAKCY-UHFFFAOYSA-N 0.000 description 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- HFHFGHLXUCOHLN-UHFFFAOYSA-N 2-fluorophenol Chemical compound OC1=CC=CC=C1F HFHFGHLXUCOHLN-UHFFFAOYSA-N 0.000 description 1
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000006325 2-propenyl amino group Chemical group [H]C([H])=C([H])C([H])([H])N([H])* 0.000 description 1
- MEHQUBDHNQTYTI-UHFFFAOYSA-N 3-bromo-4,4-dimethoxybutan-2-one Chemical compound COC(OC)C(Br)C(C)=O MEHQUBDHNQTYTI-UHFFFAOYSA-N 0.000 description 1
- QGMHRTDVNDXDBB-UHFFFAOYSA-N 5-methyl-1,2-oxazol-4-amine Chemical compound CC=1ON=CC=1N QGMHRTDVNDXDBB-UHFFFAOYSA-N 0.000 description 1
- AGQOIYCTCOEHGR-UHFFFAOYSA-N 5-methyl-1,2-oxazole Chemical compound CC1=CC=NO1 AGQOIYCTCOEHGR-UHFFFAOYSA-N 0.000 description 1
- 229910000761 Aluminium amalgam Inorganic materials 0.000 description 1
- 125000004648 C2-C8 alkenyl group Chemical group 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 1
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
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- 125000003342 alkenyl group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- 125000005264 aryl amine group Chemical group 0.000 description 1
- 125000005129 aryl carbonyl group Chemical group 0.000 description 1
- XTKDAFGWCDAMPY-UHFFFAOYSA-N azaperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCN(C=2N=CC=CC=2)CC1 XTKDAFGWCDAMPY-UHFFFAOYSA-N 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
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- 238000004440 column chromatography Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- FXFPOKGPAPEJNE-UHFFFAOYSA-N cyclopropanecarboximidamide Chemical compound NC(=N)C1CC1 FXFPOKGPAPEJNE-UHFFFAOYSA-N 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 1
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- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
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- 238000000605 extraction Methods 0.000 description 1
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- 238000007429 general method Methods 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
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- RUOJDRGEBFFDGE-MRVPVSSYSA-N n'-[(1r)-1-phenylethyl]ethanimidamide Chemical compound CC(=N)N[C@H](C)C1=CC=CC=C1 RUOJDRGEBFFDGE-MRVPVSSYSA-N 0.000 description 1
- 125000001038 naphthoyl group Chemical group C1(=CC=CC2=CC=CC=C12)C(=O)* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
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- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 125000004344 phenylpropyl group Chemical group 0.000 description 1
- 125000003356 phenylsulfanyl group Chemical group [*]SC1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 125000005936 piperidyl group Chemical group 0.000 description 1
- RPDAUEIUDPHABB-UHFFFAOYSA-N potassium ethoxide Chemical compound [K+].CC[O-] RPDAUEIUDPHABB-UHFFFAOYSA-N 0.000 description 1
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000005309 thioalkoxy group Chemical group 0.000 description 1
- 125000005296 thioaryloxy group Chemical group 0.000 description 1
- 125000005425 toluyl group Chemical group 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/64—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
Definitions
- the present invention relates to a novel process for producing 1-substituted-5-acylimidazole compounds.
- 1-Substitution-5-acylimidazole compounds are useful compounds as raw materials and synthetic intermediates for pharmaceuticals and agricultural chemicals.
- the 1-substituted-5-acylimidazole compounds produced according to the present invention are in particular pyrimidine compounds having cell inhibitory action (eg WO 02/20512, WO 03/076433, WO 03/076434, WO 03,076435, and It is useful as a starting compound for the production of pyrimidine compounds described in PCT applications such as WO 03 Z076436.
- Non-Patent Document 1 5-methylisoxazole and ammonium nitrate are reacted in trifluoroacetic anhydride to obtain 5-methyl-4-troisoxazole, which is then converted to aluminum amalgam.
- 5-methyl-4-aminoisoxazole which is further benzylated and acetylated to give N-benzyl-N- (5-methyl-4-isoxazole) acetamide.
- a method for synthesizing 5-acetylyl 2-methylimidazole by reducing acetylene is disclosed. However, this method has a problem that the number of reaction steps is large and the overall yield of the target product is 28%, which is very low.
- Non-patent document 2 describes that the amidine compound and 2 in the presence of potassium carbonate. Disclosed is a method (yield: 33-83%) of reacting 5-bromo-3- (1-methylethoxy) 2 propenal in chloroform to obtain 5 formylmidazolyl compound. Yes. However, this production method has a reaction yield that varies quickly and is low again, and many regioisomers such as 4-formylimidazole compound are produced together with the desired 5-formylimidazole compound. There's a problem.
- Non-Patent Document 1 J. Org. Chem., 52, 2714 (1987)
- Non-Patent Document 2 J. Org. Chem., 62, 8449 (1997)
- An object of the present invention is to provide an industrially suitable mono-substituted 5-acyl imidazole compound capable of producing a mono-substituted 5-acylimidazole compound in high yield by a simple method. To provide a manufacturing method.
- R 1 represents a hydrogen atom or a hydrocarbon group having or not having a substituent
- R 2 is a secondary alkyl group having or not having a substituent. Represents a tertiary alkyl group or a cycloalkyl group
- R 3 represents a hydrocarbon group having or not having a substituent
- X represents a leaving group
- Y and Z independently represent a halogen atom, an alkoxy group, an aryloxy group.
- at least one ketone compound represented by formula (1) is reacted in the presence of a base:
- the present invention also provides: a) the following formula (4):
- R represents an alkyl group
- R 1 represents a hydrogen atom, is or represents a force having a substituent, or a hydrocarbon group having no substituent
- R 2 represents a secondary alkyl group, a tertiary alkyl group or a cycloalkyl group, which may or may not have a substituent.
- R 3 represents a hydrocarbon group having or not having a substituent
- X represents a leaving group
- Y and Z independently represent a halogen atom, an alkoxy group, an aryloxy group.
- R 1 and R 3 are independently an alkyl group having 1 to 6 carbon atoms having no substituent.
- R 2 is a secondary alkyl group having 3 to 6 carbon atoms and having no substituent.
- R 1 is methyl
- R 2 is isopropyl.
- X is a halogen atom (eg, bromine atom or iodine atom).
- Ketone compound is represented by the formula (3a), and Y is methoxy.
- a ketone compound is represented by the formula (3a), Y is methoxy, and X is a bromine atom.
- R 1 and R 3 are both methyl, R 2 force isopropyl, and the ketone compound is represented by the formula (3a), X is a bromine atom, and Y is methoxy.
- Ketone compound is represented by the formula (3b), and Y and Z are both methoxy.
- the base is an organic amine compound (eg, trianolenoquinamine having each alkyl group independently having 1 to 6 carbon atoms).
- organic amine compound eg, trianolenoquinamine having each alkyl group independently having 1 to 6 carbon atoms.
- N-substituted amidine compound and the ketone compound are reacted in a polar solvent (eg, an alkyl alcohol having 1 to 6 carbon atoms).
- a polar solvent eg, an alkyl alcohol having 1 to 6 carbon atoms.
- a 1-substituted 5 acylimidazole compound can be obtained in a high yield by a simple method under mild conditions. Therefore, the production method of the present invention can be advantageously used as an industrial production method for 1-substituted-5 basic compounds.
- the N-substituted amidine compound used in the production method of the present invention is represented by the formula (2).
- R 1 is a group that does not participate in the reaction between the N-substituted amidine compound of the formula (2) and the ketone compound of the formula (3a) or (3b), and a representative of the group Examples include a hydrogen or hydrocarbon group (which may or may not have a substituent).
- hydrocarbon groups include alkyl groups with carbon number of ⁇ -12 (eg, methyl, ethyl, propinole, butyl, pentinole, hexyl, heptyl, octinole, noninore, decyl), 3 to 3 carbon atoms.
- cycloalkyl groups e.g., cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl
- aralkyl groups containing an alkyl group having 1 to 3 carbon atoms e.g., phenethyl, phenylpropyl
- Monocyclic, bicyclic, or tricyclic aryl groups with 6 to 14 carbon atoms eg, phenol, p-tolyl
- monocyclic, bicyclic or tricyclic heterocyclic groups having 3 to 14 carbon atoms eg, pyridyl, pyridyl, piperazur, pyrrolyl, imidazolyl, furyl, chael
- the hydrocarbon group may be any isomer.
- an alkyl group can be mentioned, and methyl can be mentioned among them.
- the hydrocarbon group may have a substituent.
- substituents include a substituent bonded via a carbon atom, a substituent bonded via an oxygen atom, and a bond bonded via a nitrogen atom.
- the substituent bonded via a carbon atom includes an alkyl group having 1 to 12 carbon atoms (eg, methyl, ethyl, propyl, butyl, pentyl, hexyl), and 3 to 8 carbon atoms.
- a cycloalkyl group (eg, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl), a alkenyl group having from 2 to 8 carbon atoms (eg, bur, aryl, propylene), carbon atom Cycloalkenyl groups having 3 to 8 numbers (eg, cyclopropyl, cyclobutyl, cyclopentale), heterocyclic groups (eg, quinolyl, pyridyl, pyrrolidyl, pyrrolyl, furyl, chael), aryl groups ( Examples: phenol, tolyl, fluorophenol, xylyl, biphenyl, naphthyl, anthryl, phenanthryl), C to C alkanoyl group, C to C
- Sil groups eg, acetyl, propiol, attaroyl, bivaloyl, cyclohexyl carboyl, benzoyl, naphthoyl, toluoyl, these may be acetalized.
- Examples of the substituent bonded through an oxygen atom include a hydroxyl group, an alkoxy group having 1 to 6 carbon atoms (eg, methoxy, ethoxy, propoxy, butoxy, pentyloxy, hexyloxy, heptyloxy), and aryloxy And groups (eg, phenoxy, tolyloxy, naphthyloxy). These substituents may be any isomer. These substituents are further substituted with alkyl groups having 1 to 4 carbon atoms or halo groups. It has a substituent such as gen! /, Or may! / ⁇ .
- Examples of the substituent bonded through the nitrogen atom include N- (C-C alkyl) amino group, C-
- C primary amino groups such as cycloalkylamino groups or arylamine groups (eg methyl
- Secondary amino groups such as (eg, dimethylamino-containing diethylamino-containing dipropylamino-containing dibutyl, amide-containing methylethylamino-containing methylpropylami-containing methylbutylami-containing diphenylamino-containing N-methyl-N-methanesulfonylamino), containing nitrogen atoms as ring-forming atoms
- Examples thereof include a bicyclic group (eg, morpholy-containing piperidyl-containing piperazil, virazolidyl, pyrrolidin-containing indolyl), and imino group.
- These substituents may be any isomer. Further, these substituents may further have a substituent such as an alkyl group having 1 to 4 carbon atoms or a halogen! /, Or! / ⁇ .
- Substituents bonded via a sulfur atom include mercapto groups, thioalkoxy groups (eg, thiomethoxy, thioethoxy, thiopropoxy), and thioaryloxy groups (eg, thiophenoxy, thiotoluyloxy, thionaphthyl). Oxy). These substituents may be any isomer. In addition, these substituents may further have an alkyl group having 1 to 4 carbon atoms or a substituent such as halogen! /, Or may be! /.
- R 1 is hydrogen, an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, and 1 to 1 carbon atoms.
- Examples thereof include an aralkyl group containing 3 alkyl groups or a monocyclic, bicyclic or tricyclic aryl group having 6 to 14 carbon atoms.
- These alkyl groups, cycloalkyl groups, aralkyl groups, and aryl groups are one or more halogens, alkyl groups having 1 to 12 carbon atoms, cycloalkyl groups having 3 to 8 carbon atoms, and carbon atoms.
- 3 8 1 6 may be substituted with an amino group, a diarylamino group, an N-methyl-N-methanesulfo-lumino group, an imino group, or a mercapto group.
- the aromatic ring of the aralkyl group and the aryl group may be substituted with one or two or more alkyl groups having 1 to 4 carbon atoms or halogen.
- halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- R 2 is a secondary alkyl group, a tertiary alkyl group, or a cycloalkyl group.
- Secondary alkyl groups include secondary alkyl groups having 3 to 6 carbon atoms (eg, isopropyl, sec-butyl, 2-pentyl, 3-pentyl).
- the tertiary alkyl group includes a tertiary alkyl group having a carbon atom power of ⁇ 7 (eg, t-butyl, 1,1-dimethylpropyl).
- the cycloalkyl group includes a cycloalkyl group having 3 to 8 carbon atoms (eg, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl).
- These secondary alkyl groups, tertiary alkyl groups or cycloalkyl groups may contain the substituents described in the description of R 1 .
- R 2 is particularly a secondary alkyl group (particularly isopropyl).
- R 2 is a secondary alkyl group having 3 to 6 carbon atoms, a tertiary alkyl group having 7 to 7 carbon atoms, or a carbon atom number.
- the group is a cycloalkyl group having 3 to 8 and these groups are groups optionally substituted with one or more halogens, an alkoxy group having 1 to 6 carbon atoms, or a hydroxyl group.
- halogens an alkoxy group having 1 to 6 carbon atoms
- a hydroxyl group can be mentioned.
- Examples of the acid salt of the N-alkylamidine compound include hydrochloride, hydrogen sulfate, sulfate, phosphate, and the like.
- the hydrochloride is used.
- the N-substituted amidine compound of the formula (2) used in the production method of the present invention is a reaction between the imido acid compound of the formula (4) and the amine compound of the formula (5). Can be obtained. Reaction conditions for this reaction are described in Bull. Soc. Chim. Fr. (II), 449 (1978).
- the reaction product (N-substituted amidine compound) obtained by this reaction is not isolated from the reaction mixture and the ketone compound represented by the above formula (3a) or (3b) You may use for reaction of.
- the ketone compound used in the production method of the present invention is represented by the formula (3a) or (3b).
- R 3 is a group that does not participate in the reaction between the ketone compound and the N-substituted amidine compound of the formula (2).
- R 3 include a hydrocarbon group which may have a substituent.
- the hydrocarbon group and substituent include the hydrocarbon group and substituent described in the description of R 1 .
- R 3 is an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, or an alkyl having 1 to 3 carbon atoms.
- examples thereof include an aralkyl group containing a group or a monocyclic, bicyclic or tricyclic aryl group having 6 to 14 carbon atoms.
- These alkyl group, cycloalkyl group, aralkyl group, and aryl group are one or more halogens, an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, and the number of carbon atoms.
- 8 1 6 2 may be substituted with diallylamino group, N-methyl-N-methanesulfo-ramino group, imino group or mercapto group. Further, the aromatic ring of the aralkyl group and the aryl group may be substituted with one or two or more alkyl groups having 1 to 4 carbon atoms or halogen.
- X is a leaving group, and examples thereof include halogen atoms such as chlorine atom, bromine atom and iodine atom (particularly bromine atom and iodine atom).
- Y and Z may be the same or different from each other.
- a halogen atom eg, a chlorine atom, a bromine atom, an iodine atom
- an alkoxy group having 1 to 6 carbon atoms eg, methoxy) , Ethoxy
- aryloxy group eg, phenoxy
- alkylthio group having 1 to 6 carbon atoms Eg, methylthio, ethylthio
- arylothio groups eg, phenylthio
- dialkylamino groups e.g. dimethylamino-containing ketylamino
- diarylamino groups e.g. diphenylamino
- Y and Z are in particular alkoxy groups (especially methoxy groups).
- Y and Z are each independently a halogen atom, an alkoxy group having 1 to 6 carbon atoms, an aryloxy group, or an alkyl group having 1 to 6 carbon atoms.
- the alkyl group is an alkylthio group, an arylthio group, a dialkylamino group having 2 to 12 carbon atoms (that is, an N, N— (C to C alkyl) amino group), or a diarylamino group.
- R 1 includes hydrogen, an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, and an alkyl group having 1 to 3 carbon atoms.
- These alkyl group, cycloalkyl group, aralkyl group, and aryl group may be one or more halogen atoms.
- N-di (C-C alkyl) amino group dialylamino group, N-methyl-N-methanesulfur
- Aralkyl groups that may be substituted with phonylamino, imino, or mercapto groups And the aromatic ring of the aryl group may be substituted with one or two or more alkyl groups having 1 to 4 carbon atoms or halogen, and
- R 2 is a force that is a secondary alkyl group having 3 to 6 carbon atoms, a tertiary alkyl group having 4 to 7 carbon atoms, or a cycloalkyl group having 3 to 8 carbon atoms. Is optionally substituted with one or more halogens, an alkoxy group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, or a hydroxyl group]
- R 3 represents an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, an aralkyl group containing an alkyl group having 1 to 3 carbon atoms, or Forces that are monocyclic, bicyclic, or tricyclic aryl groups of 6 to 14 carbon atoms.
- These alkyl groups, cycloalkyl groups, aralkyl groups, and aryl groups are composed of one or more halogens and carbon atoms.
- aromatic ring of the aralkyl group and the aryl group may be substituted with one or two or more alkyl groups having 1 to 4 carbon atoms or halogen. It ’s replaced!
- X represents a halogen atom
- Y and Z are each independently a halogen atom, an alkoxy group having 1 to 6 carbon atoms, an aryloxy group, an alkylthio group having 1 to 6 carbon atoms, an arylthio group, or a dialkylamino group having 2 to 12 carbon atoms.
- the present invention provides a process for producing a 1-substituted 5-acylimidazole compound represented by the formula:
- R 1 is methyl and R 2 is isopropyl.
- Examples of the base used in the production method of the present invention include organic amine compounds and inorganic bases.
- Examples of organic amine compounds include trialkylamines (eg, triethylamine, tripropylamine, triptylamin) in which each alkyl group is an alkyl group having 1 to 6 carbon atoms, and heterocyclic amine compounds (eg, , Pyridine, picoline).
- inorganic bases examples include alkali metal hydroxides (eg, sodium hydroxide, potassium hydroxide), alkali metal carbonates (eg, sodium carbonate, potassium carbonate), alkali metal carbonates (eg, carbonate) And sodium metal alkoxide (eg, sodium methoxide, potassium methoxide, sodium ethoxide, potassium ethoxide, sodium t-butoxide, potassium t-butoxide).
- organic amine compounds such as trialkylamines (particularly triethylamine) can be mentioned. These bases may be used alone or in combination of two or more.
- the amount of the base used is usually 0.1 to 20 monole, particularly 0.5 to 10 monole per 1 mol of the N-substituted amidine compound or its acid salt.
- the reaction used in the production method of the present invention can be carried out in the presence of a solvent (particularly a polar solvent).
- the solvent is not particularly limited as long as it does not inhibit the reaction.
- the number of carbon atoms such as methanol, ethanol, isopropyl alcohol, t-butyl alcohol, etc.
- 1-6 lower alcohols N, N dimethylformamide, N, N dimethylacetamide, amides such as N-methylpyrrolidone, urea such as N, N, -dimethylimidazolidinone, sulfoxide such as dimethyl sulfoxide, sulfolane And the like, nitriles such as acetononitrile, propionitrile, etc., ethers such as jetyl ether, diisopropyl ether, dimethoxyethane, tetrahydrofuran, 2-methyltetrahydrofuran and dioxane. These solvents may be used alone or in combination of two or more.
- the amount of the solvent used is usually 0 with respect to the N-substituted amidine compound or its acid salt lg.
- the reaction used in the production method of the present invention is, for example, a method in which an N-substituted amidine compound, or an acid salt, a ketone compound, a base, and a solvent are mixed and reacted with stirring. Is done by.
- the reaction temperature at that time is usually 10 to 200 ° C, particularly 20 to 120 ° C, and the reaction pressure is not particularly limited.
- a 1-substituted 5-acylimidazole compound is obtained. After the reaction is completed, for example, neutralization, extraction, filtration, concentration, distillation, recrystallization, It is isolated and purified by a general method such as crystallization or column chromatography.
- Example 1 Synthesis of 5-acetyl-1-isopropyl 2-methylimidazole
- an isopropyl alcohol solution N-isopropylacetoacetate containing N isopropylacetamidine synthesized in the same manner as in Reference Example 1 was prepared. Containing 16.2 g of midine (0.162 mol), 3 bromo-4-methoxy-3-buten-2-one, 19.3 g (0.108 mol) and triethylamine, 16.4 g (0.162 mol) The mixture was reacted at 80 ° C for 8 hours with stirring.
- an isopropyl alcohol solution (N-isopropylacetoacetate) containing N isopropylacetamidine synthesized in the same manner as in Reference Example 1 was prepared. Containing 16.2 g of midine (0.162 mol), 3 bromo-4,4 dimethoxy-2-butanone, 22.8 g (0.108 mol) and triethylamine, 16.4 g (0.162 mol), and stirring. The reaction was carried out at 80 ° C for 20 hours. After completion of the reaction, 80 mL of 2 molar ZL sulfuric acid was added to the reaction solution, and then the reaction solution was concentrated under reduced pressure.
- the concentrate was purified by silica gel column chromatography (developing solvent: ethyl acetate) to obtain 18.7 g of 5-acetyl-1-methyl ((R) -1-phenyl) imidazole as a pale yellow liquid (isolation) Yield: 76%).
- a 300 mL glass reactor equipped with a stirrer, thermometer and dropping funnel was charged with 20. Og (0.162 mol) ethyl acetate and 80 mL isopropyl alcohol. The liquid temperature was kept at 30 ° C. or lower. S et al., 16.4 g (0.162 monole) of rietinoleamine was dripped gently and stirred at room temperature for 10 minutes. Next, after cooling the liquid temperature to 10 ° C, 11.8 g (0.162 mol) of tert-butylamine was slowly dropped while maintaining the liquid temperature at 30 ° C or lower, and stirred at room temperature for 1 hour. Reacted.
- N-tert butinorecetamidine The physical properties of N-tert butinorecetamidine were as follows.
- the aqueous layer was separated, and the solution was made basic by adding a 48% aqueous sodium hydroxide solution while keeping the liquid temperature at 40 ° C or lower.
- the aqueous layer was extracted with methylisoptyl ketone, and the extract was concentrated under reduced pressure.
- the concentrate was purified by silica gel chromatography (developing solvent: ethyl acetate) to obtain 4.86 g of 5-acetyl-1-tert-butyl-2-methylimidazole as a pale yellow liquid (isolation yield: 25%)
- Acetinolay 1 tert Butinolay 2-Methinoreidamidole property values are as follows.
- Example 5 Synthesis of 5-acetyl-1-cyclopropyl 2-methylimidazole
- a 300 mL glass reactor equipped with a stirrer, thermometer and reflux condenser was charged in the same manner as in Reference Example 4.
- 3 g (0.108 mol) and 16.4 g (0.162 mol) of triethylamine were prepared and reacted at 80 ° C. for 8 hours with stirring.
- the concentrate was purified by silica gel column chromatography (developing solvent: ethyl acetate) to obtain 3.28 g of 5-acetyl-1-isopropylimidazole as a pale yellow liquid (isolated yield: 20%).
- Example 7 (Synthesis of 5 Benzoyl 1 isopropyl 2-methylimidazole) A 300 mL glass reactor equipped with a stirrer, a thermometer and a reflux condenser was charged with the same method as in Reference Example 1. Isopropyl alcohol solution containing N isopropylacetamidine (containing 16.2 g (0.162 mol) of N-isopropylacetamidine), 2 Bromo 3 -Methoxy-1- 1-Phenol 1 2-Propene 1 1-one 26.0 g (0.108 mol) and triethylamine 16.4 g (0.162 mol) were added and reacted for 8 hours at 80 ° C with stirring.
- N isopropylacetamidine containing 16.2 g (0.162 mol) of N-isopropylacetamidine
- 2 Bromo 3 -Methoxy-1- 1-Phenol 1 2-Propene 1 1-one 26.0 g (0.108 mol) and triethyl
- 5 Physical properties of benzoyl 1 isopropyl 2-methylimidazole were as follows.
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Description
Claims
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JP2007532137A JP5245408B2 (ja) | 2005-08-23 | 2006-08-22 | 1−置換−5−アシルイミダゾール化合物の製法 |
US12/064,433 US7858807B2 (en) | 2005-08-23 | 2006-08-22 | Method for producing 1-substituted-5-acylimidazole compound |
AU2006282428A AU2006282428A1 (en) | 2005-08-23 | 2006-08-22 | Method for producing 1-substituted-5-acylimidazole compound |
EP06796645A EP1927590B1 (en) | 2005-08-23 | 2006-08-22 | Method for producing 1-substituted-5-acylimidazole compound |
CA002619731A CA2619731A1 (en) | 2005-08-23 | 2006-08-22 | Process for preparing 1-substituted 5-acylimidazole compounds |
BRPI0615186A BRPI0615186A2 (pt) | 2005-08-23 | 2006-08-22 | processo para preparar um composto de 5-acil-imidazol 1-substituído |
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Citations (3)
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---|---|---|---|---|
JPS5540689A (en) * | 1978-09-14 | 1980-03-22 | Hoechst Ag | Substituted bissbenzimidazolyl compound |
JPS59205365A (ja) * | 1983-04-11 | 1984-11-20 | フアイザ−・インコ−ポレ−テツド | 4―アセチル―2―置換―イミダゾール化合物の製造方法 |
JP2004256550A (ja) * | 2002-03-09 | 2004-09-16 | Astrazeneca Ab | 化合物 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4374843A (en) * | 1980-10-14 | 1983-02-22 | Pfizer Inc. | 2-Guanidino-4-heteroarylthiazoles |
GB9220068D0 (en) | 1992-09-23 | 1992-11-04 | Smithkline Beecham Corp | Process |
-
2006
- 2006-08-22 JP JP2007532137A patent/JP5245408B2/ja not_active Expired - Fee Related
- 2006-08-22 US US12/064,433 patent/US7858807B2/en not_active Expired - Fee Related
- 2006-08-22 KR KR1020087005825A patent/KR20080039979A/ko not_active Application Discontinuation
- 2006-08-22 WO PCT/JP2006/316431 patent/WO2007023822A1/ja active Application Filing
- 2006-08-22 CN CNA2006800381543A patent/CN101287711A/zh active Pending
- 2006-08-22 AU AU2006282428A patent/AU2006282428A1/en not_active Abandoned
- 2006-08-22 BR BRPI0615186A patent/BRPI0615186A2/pt not_active IP Right Cessation
- 2006-08-22 CA CA002619731A patent/CA2619731A1/en not_active Abandoned
- 2006-08-22 EP EP06796645A patent/EP1927590B1/en active Active
-
2008
- 2008-02-18 IL IL189574A patent/IL189574A0/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5540689A (en) * | 1978-09-14 | 1980-03-22 | Hoechst Ag | Substituted bissbenzimidazolyl compound |
JPS59205365A (ja) * | 1983-04-11 | 1984-11-20 | フアイザ−・インコ−ポレ−テツド | 4―アセチル―2―置換―イミダゾール化合物の製造方法 |
JP2004256550A (ja) * | 2002-03-09 | 2004-09-16 | Astrazeneca Ab | 化合物 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1927590A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN101287711A (zh) | 2008-10-15 |
IL189574A0 (en) | 2008-08-07 |
JP5245408B2 (ja) | 2013-07-24 |
EP1927590A4 (en) | 2010-05-12 |
KR20080039979A (ko) | 2008-05-07 |
AU2006282428A1 (en) | 2007-03-01 |
US20090306399A1 (en) | 2009-12-10 |
JPWO2007023822A1 (ja) | 2009-02-26 |
EP1927590B1 (en) | 2011-07-20 |
US7858807B2 (en) | 2010-12-28 |
CA2619731A1 (en) | 2007-03-01 |
BRPI0615186A2 (pt) | 2016-09-13 |
EP1927590A1 (en) | 2008-06-04 |
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