JP7204749B2 - 除草性ピリダジノン化合物を製造するプロセス - Google Patents
除草性ピリダジノン化合物を製造するプロセス Download PDFInfo
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- JP7204749B2 JP7204749B2 JP2020522313A JP2020522313A JP7204749B2 JP 7204749 B2 JP7204749 B2 JP 7204749B2 JP 2020522313 A JP2020522313 A JP 2020522313A JP 2020522313 A JP2020522313 A JP 2020522313A JP 7204749 B2 JP7204749 B2 JP 7204749B2
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- 238000000034 method Methods 0.000 title claims description 43
- AAILEWXSEQLMNI-UHFFFAOYSA-N 1h-pyridazin-6-one Chemical class OC1=CC=CN=N1 AAILEWXSEQLMNI-UHFFFAOYSA-N 0.000 title description 7
- 230000002363 herbicidal effect Effects 0.000 title description 2
- 150000001875 compounds Chemical class 0.000 claims description 62
- -1 C 1 -C 4 alkyl Chemical group 0.000 claims description 54
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical group CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 39
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 30
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 26
- 239000002904 solvent Substances 0.000 claims description 23
- 239000000460 chlorine Substances 0.000 claims description 20
- 125000003118 aryl group Chemical group 0.000 claims description 18
- 125000001072 heteroaryl group Chemical group 0.000 claims description 16
- 239000003054 catalyst Substances 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- 239000003446 ligand Substances 0.000 claims description 14
- 229910052801 chlorine Inorganic materials 0.000 claims description 13
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 10
- 229910052794 bromium Inorganic materials 0.000 claims description 10
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 10
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052740 iodine Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052763 palladium Inorganic materials 0.000 claims description 9
- 125000003762 3,4-dimethoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C(OC([H])([H])[H])C([H])=C1* 0.000 claims description 8
- 125000005843 halogen group Chemical group 0.000 claims description 8
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 125000000171 (C1-C6) haloalkyl group Chemical group 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 239000012429 reaction media Substances 0.000 claims description 7
- 125000001424 substituent group Chemical group 0.000 claims description 7
- 125000006570 (C5-C6) heteroaryl group Chemical group 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 125000005842 heteroatom Chemical group 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 125000004765 (C1-C4) haloalkyl group Chemical group 0.000 claims description 5
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims description 5
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 125000005213 alkyl heteroaryl group Chemical group 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 230000001699 photocatalysis Effects 0.000 claims description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 50
- CRUILBNAQILVHZ-UHFFFAOYSA-N 1,2,3-trimethoxybenzene Chemical compound COC1=CC=CC(OC)=C1OC CRUILBNAQILVHZ-UHFFFAOYSA-N 0.000 description 42
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 29
- 238000006243 chemical reaction Methods 0.000 description 29
- 239000000126 substance Substances 0.000 description 28
- 238000005481 NMR spectroscopy Methods 0.000 description 27
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 27
- 239000002585 base Substances 0.000 description 24
- 238000004458 analytical method Methods 0.000 description 22
- 238000010966 qNMR Methods 0.000 description 22
- 239000007787 solid Substances 0.000 description 21
- 229940030010 trimethoxybenzene Drugs 0.000 description 21
- ABDKAPXRBAPSQN-UHFFFAOYSA-N veratrole Chemical compound COC1=CC=CC=C1OC ABDKAPXRBAPSQN-UHFFFAOYSA-N 0.000 description 20
- 239000000243 solution Substances 0.000 description 19
- 239000011541 reaction mixture Substances 0.000 description 18
- 239000000203 mixture Substances 0.000 description 17
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 16
- YTRAYZQLWUSKTO-UHFFFAOYSA-N 4-bromo-2-(3,4-dimethoxyphenyl)-6-methylpyridazin-3-one Chemical compound BrC=1C(N(N=C(C=1)C)C1=CC(=C(C=C1)OC)OC)=O YTRAYZQLWUSKTO-UHFFFAOYSA-N 0.000 description 14
- 235000019439 ethyl acetate Nutrition 0.000 description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 11
- 239000005708 Sodium hypochlorite Substances 0.000 description 11
- 239000006260 foam Substances 0.000 description 11
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- 239000012044 organic layer Substances 0.000 description 10
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- 239000008346 aqueous phase Substances 0.000 description 8
- 239000013058 crude material Substances 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 238000010898 silica gel chromatography Methods 0.000 description 8
- 239000011734 sodium Substances 0.000 description 8
- 239000000725 suspension Substances 0.000 description 8
- CXNIUSPIQKWYAI-UHFFFAOYSA-N xantphos Chemical compound C=12OC3=C(P(C=4C=CC=CC=4)C=4C=CC=CC=4)C=CC=C3C(C)(C)C2=CC=CC=1P(C=1C=CC=CC=1)C1=CC=CC=C1 CXNIUSPIQKWYAI-UHFFFAOYSA-N 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 7
- 238000005868 electrolysis reaction Methods 0.000 description 7
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 6
- MOHYHLFTBMNVDU-UHFFFAOYSA-N 5-bromo-3-methyl-1h-pyridazin-6-one Chemical compound CC=1C=C(Br)C(=O)NN=1 MOHYHLFTBMNVDU-UHFFFAOYSA-N 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 6
- 229910002666 PdCl2 Inorganic materials 0.000 description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 5
- 150000003003 phosphines Chemical class 0.000 description 5
- 235000017550 sodium carbonate Nutrition 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 4
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 4
- 239000012267 brine Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000012043 crude product Substances 0.000 description 4
- OILAIQUEIWYQPH-UHFFFAOYSA-N cyclohexane-1,2-dione Chemical compound O=C1CCCCC1=O OILAIQUEIWYQPH-UHFFFAOYSA-N 0.000 description 4
- HJSLFCCWAKVHIW-UHFFFAOYSA-N cyclohexane-1,3-dione Chemical compound O=C1CCCC(=O)C1 HJSLFCCWAKVHIW-UHFFFAOYSA-N 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000003999 initiator Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 description 4
- 235000015320 potassium carbonate Nutrition 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 4
- BZFOSDLJOGYTAP-WQLSENKSSA-N (2Z)-2-[(3,4-dimethoxyphenyl)hydrazinylidene]propanal Chemical compound COC=1C=C(C=CC=1OC)N\N=C(/C=O)\C BZFOSDLJOGYTAP-WQLSENKSSA-N 0.000 description 3
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- ANQRDMDBJYHVII-UHFFFAOYSA-N 2-[2-(3,4-dimethoxyphenyl)-6-methyl-3-oxopyridazine-4-carbonyl]cyclohexane-1,3-dione Chemical compound COC=1C=C(C=CC=1OC)N1N=C(C=C(C1=O)C(=O)C1C(CCCC1=O)=O)C ANQRDMDBJYHVII-UHFFFAOYSA-N 0.000 description 3
- CWDQCXPCSFOKJG-UHFFFAOYSA-N 4-(5-bromo-3-methyl-6-oxopyridazin-1-yl)benzonitrile Chemical compound BrC1=CC(=NN(C1=O)C1=CC=C(C#N)C=C1)C CWDQCXPCSFOKJG-UHFFFAOYSA-N 0.000 description 3
- RVMWJZSQCDJGFD-UHFFFAOYSA-N 4-bromo-2-(4-methoxyphenyl)-6-methylpyridazin-3-one Chemical compound BrC=1C(N(N=C(C=1)C)C1=CC=C(C=C1)OC)=O RVMWJZSQCDJGFD-UHFFFAOYSA-N 0.000 description 3
- KYAHFDHPMBOBDJ-UHFFFAOYSA-N 4-bromo-2-chloro-6-methylpyridazin-3-one Chemical compound BrC=1C(N(N=C(C=1)C)Cl)=O KYAHFDHPMBOBDJ-UHFFFAOYSA-N 0.000 description 3
- KJESURGCMNPENX-UHFFFAOYSA-N 4-bromo-6-methyl-2-(2-methylphenyl)pyridazin-3-one Chemical compound BrC=1C(N(N=C(C=1)C)C1=C(C=CC=C1)C)=O KJESURGCMNPENX-UHFFFAOYSA-N 0.000 description 3
- SBTWQWBROKOGAN-UHFFFAOYSA-N 4-bromo-6-methyl-2-(3-methylphenyl)pyridazin-3-one Chemical compound BrC=1C(N(N=C(C=1)C)C=1C=C(C=CC=1)C)=O SBTWQWBROKOGAN-UHFFFAOYSA-N 0.000 description 3
- DECRAMUPJZPUCI-UHFFFAOYSA-N 4-bromo-6-methyl-2-(4-methylphenyl)pyridazin-3-one Chemical compound BrC=1C(N(N=C(C=1)C)C1=CC=C(C=C1)C)=O DECRAMUPJZPUCI-UHFFFAOYSA-N 0.000 description 3
- DCBCEKRUVOVACP-UHFFFAOYSA-N 4-bromo-6-methyl-2-[4-(trifluoromethyl)phenyl]pyridazin-3-one Chemical compound BrC=1C(N(N=C(C=1)C)C1=CC=C(C=C1)C(F)(F)F)=O DCBCEKRUVOVACP-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- RBPKTBYFBXFSMH-UHFFFAOYSA-N N-[4-(5-bromo-3-methyl-6-oxopyridazin-1-yl)phenyl]acetamide Chemical compound C(C)(=O)NC1=CC=C(C=C1)N1N=C(C=C(C1=O)Br)C RBPKTBYFBXFSMH-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910000024 caesium carbonate Inorganic materials 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 150000002367 halogens Chemical group 0.000 description 3
- 150000007529 inorganic bases Chemical class 0.000 description 3
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropyl acetate Chemical compound CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 235000011056 potassium acetate Nutrition 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000005292 vacuum distillation Methods 0.000 description 3
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- AZUYLZMQTIKGSC-UHFFFAOYSA-N 1-[6-[4-(5-chloro-6-methyl-1H-indazol-4-yl)-5-methyl-3-(1-methylindazol-5-yl)pyrazol-1-yl]-2-azaspiro[3.3]heptan-2-yl]prop-2-en-1-one Chemical compound ClC=1C(=C2C=NNC2=CC=1C)C=1C(=NN(C=1C)C1CC2(CN(C2)C(C=C)=O)C1)C=1C=C2C=NN(C2=CC=1)C AZUYLZMQTIKGSC-UHFFFAOYSA-N 0.000 description 2
- ASZPFHINFKXQEK-UHFFFAOYSA-N 2-(2,6-dimethyl-3-oxopyridazine-4-carbonyl)cyclohexane-1,3-dione Chemical compound CN1N=C(C=C(C1=O)C(=O)C1C(CCCC1=O)=O)C ASZPFHINFKXQEK-UHFFFAOYSA-N 0.000 description 2
- PVOYRQDZAYBUDT-UHFFFAOYSA-N 2-(2-butyl-6-methyl-3-oxopyridazine-4-carbonyl)cyclohexane-1,3-dione Chemical compound C(CCC)N1N=C(C=C(C1=O)C(=O)C1C(CCCC1=O)=O)C PVOYRQDZAYBUDT-UHFFFAOYSA-N 0.000 description 2
- PNLPLOLAOKLVKU-UHFFFAOYSA-N 2-(3-methyl-6-oxo-1H-pyridazine-5-carbonyl)cyclohexane-1,3-dione Chemical compound CC1=NNC(C(=C1)C(=O)C1C(CCCC1=O)=O)=O PNLPLOLAOKLVKU-UHFFFAOYSA-N 0.000 description 2
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 2
- PDRVEQVWIPATCN-UHFFFAOYSA-N 2-[2-(4-methoxyphenyl)-6-methyl-3-oxopyridazine-4-carbonyl]cyclohexane-1,3-dione Chemical compound COC1=CC=C(C=C1)N1N=C(C=C(C1=O)C(=O)C1C(CCCC1=O)=O)C PDRVEQVWIPATCN-UHFFFAOYSA-N 0.000 description 2
- UZBHTQAWVRCKBE-UHFFFAOYSA-N 2-[6-methyl-2-(2-methylphenyl)-3-oxopyridazine-4-carbonyl]cyclohexane-1,3-dione Chemical compound CC=1C=C(C(N(N=1)C1=C(C=CC=C1)C)=O)C(=O)C1C(CCCC1=O)=O UZBHTQAWVRCKBE-UHFFFAOYSA-N 0.000 description 2
- NLDJAVHDJLKEEU-UHFFFAOYSA-N 2-[6-methyl-2-(3-methylphenyl)-3-oxopyridazine-4-carbonyl]cyclohexane-1,3-dione Chemical compound CC=1C=C(C(N(N=1)C=1C=C(C=CC=1)C)=O)C(=O)C1C(CCCC1=O)=O NLDJAVHDJLKEEU-UHFFFAOYSA-N 0.000 description 2
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- 238000006467 substitution reaction Methods 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 229950009390 symclosene Drugs 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000004950 trifluoroalkyl group Chemical group 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
- C07D237/02—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
- C07D237/06—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D237/10—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members 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
- C07D237/14—Oxygen atoms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/58—1,2-Diazines; Hydrogenated 1,2-diazines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- General Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Plural Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Description
R1は、水素、C1~C6アルキル、C1~C6ハロアルキル、C1~C3アルコキシC1~C3アルキル-、C1~C3アルコキシC2~C3アルコキシC1~C3アルキル-、アリール及び5又は6員ヘテロアリールからなる群から選択され、ここで、ヘテロアリールは、酸素、窒素及び硫黄からなる群からそれぞれ独立して選択される1~3個のヘテロ原子を含有し、アリール及びヘテロアリール構成要素は、任意選択により置換され得;
R2は、C1~C6アルキル又はC3~C6シクロアルキルであり;
A1は、O、C(O)及び(CR7R8)からなる群から選択され;及び
R4、R6、R7及びR8は、水素及びC1~C4アルキルからなる群からそれぞれ独立して選択され;
R3及びR5は、水素及びC1~C4アルキルからなる群からそれぞれ独立して選択されるか、又は一緒になってC1~C3アルキレン鎖を形成し得る)
の化合物の製造するプロセスであって、式(II)
の化合物を、式(III)
の化合物とを、
(i)パラジウム触媒、
(ii)好適なホスフィンリガンド又はホスフィンリガンド塩、
(iii)好適な塩基、及び
(iv)一酸化炭素
を含む反応媒体中において反応させて、式(I)の化合物を与えるステップを含む、プロセスが提供される。
n=0、1、2又は3である)
の化合物がさらに提供される。
式(II)の化合物は、例えば、Monnier,F.;Tailefer,M.Topics in Organomet.Chem.2013,46,173に記載されているとおり、式(IX)
のピリダジノンを、式(IV)
のボロン酸と塩基、銅触媒及び酸素の存在下で反応させることにより調製可能である。
代わりに、式(II)の化合物は、式(IX)
のピリダジノンを、式(VII)
R1-I(VII)
(式中、R1は、C1~C6アルキル、C1~C6ハロアルキル、C1~C3アルコキシ、C1~C3アルキル-、C1~C3アルコキシ、C2~C3アルコキシ、C1~C3アルキル-、C1~C6ハロアルキル、C2~C6ハロアルケニル、C1~C3アルコキシ-C1~C3ハロアルキルからなる群から選択される)
の化合物と塩基の存在下で反応させることにより調製可能である。
代わりに、式(II)(式中、Xは、クロロであり、R1は、アリール及び5又は6員ヘテロアリールであり、ここで、ヘテロアリールは、酸素、窒素及び硫黄からなる群からそれぞれ独立して選択される1~3個のヘテロ原子を含有し、アリール及びヘテロアリール構成要素は、ハロ、C1~C3アルキル、C1~C3ハロアルキル、C1~C3アルコキシ、シアノ、アセチルアミノ、ニトロからなる群から選択される1つ以上の置換基によって任意選択により置換され得、且つR2は、C1~C6アルキル又はC3~C6シクロアルキルである)の化合物は、式(VI)
のアルデヒドを、式(V)
のホスホネートと塩基及びアルコール系溶剤の存在下で反応させることにより調製可能である。
の化合物を与えるステップと、次いで式(X)の化合物を、式(XI)
式(I)の化合物は、式(II)の化合物を式(III)の化合物と塩基、パラジウム触媒、好適なホスフィン又はホスフィン塩及び一酸化炭素の存在下で反応させることにより有利に調製可能である。
本発明のまた別の態様は、以下のとおりであってもよい。
〔1〕式(I):
[化1]
(式中、
R 1 は、水素、C 1 ~C 6 アルキル、C 1 ~C 6 ハロアルキル、C 1 ~C 3 アルコキシC 1 ~C 3 アルキル-、C 1 ~C 3 アルコキシC 2 ~C 3 アルコキシC 1 ~C 3 アルキル-、アリール及び5又は6員ヘテロアリールからなる群から選択され、ここで、前記ヘテロアリールは、酸素、窒素及び硫黄からなる群からそれぞれ独立して選択される1~3個のヘテロ原子を含有し、前記アリール及びヘテロアリール構成要素は、置換されていてもよく;
R 2 は、C 1 ~C 6 アルキル又はC 3 ~C 6 シクロアルキルであり;
A 1 は、O、C(O)及び(CR 7 R 8 )からなる群から選択され;及び
R 4 、R 6 、R 7 及びR 8 は、水素及びC 1 ~C 4 アルキルからなる群からそれぞれ独立して選択され;
R 3 及びR 5 は、水素及びC 1 ~C 4 アルキルからなる群からそれぞれ独立して選択されるか、又は一緒になってC 1 ~C 3 アルキレン鎖を形成し得る)
の化合物を製造するプロセスであって、式(II)
[化2]
(式中、Xは、ハロゲンである)
の化合物を、式(III)
[化3]
(式中、A 1 並びにR 3 、R 4 、R 5 及びR 6 は、上記の式(I)に関して定義されているとおりである)
の化合物と、
(i)パラジウム触媒
(ii)好適なホスフィンリガンド又はホスフィンリガンド塩、
(iii)好適な塩基、及び
(iv)一酸化炭素
を含む反応媒体中において反応させて、式(I)の化合物を与えるステップを含む、プロセス。
〔2〕R 1 は、置換されていてもよいヘテロアリールである、前記〔1〕に記載のプロセス。
〔3〕R 1 は、置換されていてもよいフェニルである、前記〔1〕に記載のプロセス。
〔4〕R 1 は、ハロ、C 1 ~C 4 アルキル、C 1 ~C 4 ハロアルキル、C 1 ~C 3 アルコキシ、シアノ及びニトロからなる群から選択される1つ以上の置換基によって置換されていてもよいフェニルである、前記〔3〕に記載のプロセス。
〔5〕R 1 は、3,4-ジメトキシフェニルである、前記〔4〕に記載のプロセス。
〔6〕R 2 は、メチルである、前記〔1〕~〔5〕のいずれか一項に記載のプロセス。
〔7〕Xは、Br、Cl及びIからなる群から選択される、前記〔1〕~〔6〕のいずれか一項に記載のプロセス。
〔8〕Xは、Brである、前記〔1〕~〔7〕のいずれか一項に記載のプロセス。
〔9〕A 1 は、CR 7 R 8 であり、且つR 3 、R 4 、R 5 、R 6 、R 7 及びR 8 は、水素である、前記〔1〕~〔8〕のいずれか一項に記載のプロセス。
〔10〕前記反応媒体は、(v)溶剤をさらに含む、前記〔1〕~〔9〕のいずれか一項に記載のプロセス。
〔11〕前記溶剤は、アセトニトリルである、前記〔10〕に記載のプロセス。
〔12〕式(IIa1a)
[化4]
の化合物。
〔13〕式(X)
[化5]
(式中、R 9 は、Cl、Br及びIからなる群から選択される)
の化合物を、式(XI)
[化6]
の化合物と反応させるステップを含む、式(IIa1a)の化合物を製造するプロセス。
〔14〕化合物(X)及び化合物(XI)を、光化学触媒による手法を用いて反応させる、前記〔13〕に記載のプロセス。
〔15〕式(X)
[化7]
(式中、R 9 は、Cl、Br及びIからなる群から選択される)
の化合物。
実施例1a:4-ブロモ-2-(3,4-ジメトキシフェニル)-6-メチル-ピリダジン-3-オン
1H NMR(400MHz,CDCl3):δ 7.58(s,3H),7.16-7.12(m,2H),6.95-6.92(m,1H),3.92(s,3H),3.90(s,3H),2.39(s,3H).
ステップ1:4-ブロモ-2-クロロ-6-メチル-ピリダジン-3-オン
1H NMR(400MHz,CDCl3):δ 7.54(s,1H),2.35(s,3H).
5-ブロモ-3-メチル-1H-ピリダジン-6-オン(3.0g、15.0mmol、94.5%純度)、1,2-ジメトキシベンゼン(41.4g、300mmol)、Aliquat(登録商標)336(0.61g、1.5mmol)、クロロベンゼン(47mL)及びリン酸塩緩衝剤溶液(38mL、38mmol、1M、pH=7.2)を二重ジャケット反応器中に仕込んだ。次亜塩素酸ナトリウムの溶液(10.6g、15.0mmol、10.6%)を一度に添加し、混合物を室温で10分間撹拌した。メチルエチルケトンペルオキシド(0.99g、1.5mmol、フタレートを含まない可塑剤混合物中に32%)のクロロベンゼン(9mL)中の溶液を次亜塩素酸ナトリウムの溶液(58.1g、82.0mmol、10.6%)と同時に約3時間で、温度を35℃に維持しながら添加した(次亜塩素酸ナトリウム溶液の添加は、15分早く終了した)。この間に4分量の5-ブロモ-3-メチル-1H-ピリダジン-6-オン(各分量は、3.0g、15.0mmol、94.5%純度であり;合計で12.0g、65.0mmolである)を連続して40分間の分量間の間隔で添加した。反応混合物を35℃で1時間撹拌した。残存する活性塩素をメタ重亜硫酸ナトリウム(5mL、10%)の溶液で消失させた。混合物を80℃に加熱し、水性の下層を分離した。溶剤及び1,2-ジメトキシベンゼンの残存量を減圧蒸留により除去した。生成物ホットメルトを1-ブタノール(73.3g)で希釈し、得られた溶液を0℃にゆっくりと冷却した。得られた懸濁液をろ過し、生成物を乾燥オーブン中において60℃、減圧下で乾燥した。
1H NMR(400MHz,CDCl3):δ 7.58(s,1H),7.14-7.11(m,2H),6.94-6.91(m,1H),3.91(s,3H),3.89(s,3H),2.38(s,3H).
変形例1 - 固形分を含まないプロセス
1H NMR(400MHz,CDCl3):δ 7.58(s,1H),7.14-7.11(m,2H),6.94-6.91(m,1H),3.91(s,3H),3.89(s,3H),2.38(s,3H).
1H NMR(400MHz,CDCl3):δ 7.58(s,1H),7.14-7.11(m,2H),6.94-6.91(m,1H),3.91(s,3H),3.89(s,3H),2.38(s,3H).
1H NMR(400MHz,CDCl3):δ 7.57(s,1H),7.54-7.47(m,2H),7.09(s,1H),7.00-6.94(m,2H),3.85(s,3H),2.39(s,3H).
1H NMR(400MHz,CDCl3):δ 7.80(d,J=8.4Hz,2H),7.74(d,J=8.8Hz,2H),7.61(s,1H),2.41(d,J=1.5Hz,3H).
1H NMR(400MHz,CDCl3):δ 7.88-7.74(m,4H),7.61(s,1H),2.42(s,3H).
1H NMR(400MHz,CDCl3):δ 7.58(s,1H),7.46(d,J=8.4Hz,2H),7.31-7.22(m,2H),2.40(s,3H),2.39(s,3H).
1H NMR(400MHz,CDCl3):δ 7.59(s,1H),7.41-7.32(m,3H),7.25-7.18(m,1H),2.41(s,3H),2.39(s,3H).
1H NMR(400MHz,CDCl3):δ 7.63(s,1H),7.38-7.29(m,3H),7.26-7.23(m,1H),2.39(s,3H),2.17(s,3H).
1H NMR(400MHz,CDCl3):δ 7.60(s,1H),7.57(d,J=8.8Hz,2H),7.51(d,J=8.8Hz,2H),2.40(s,3H),2.19(s,3H).
1H NMR(400MHz,CDCl3):δ 7.51(s,1H),3.8(s,3H),2.32(s,3H).
1H NMR(400MHz,CDCl3):δ 7.48(s,1H),4.19-4.12(m,2H),2.32(s,3H),1.84-1.73(m,2H),1.44-1.33(m,2H),0.96(t,J=7.3,3H).
1H NMR(400MHz,CDCl3):δ 9.49(s,1H),8.10(br s,1H),7.00(d,J=2.6Hz,1H),6.86(d,J=8.4Hz,1H),6.70(dd,J=8.6,2.4Hz,1H),3.94(s,3H),3.88(s,3H),1.98(s,3H).
1H NMR(400MHz,CDCl3):δ 7.34(s,3H),7.16-7.12(m,2H),6.95-6.91(m,1H),3.91(s,3H),3.89(s,3H),2.38(s,3H)
圧力反応器(100mL)に4-ブロモ-2-(3,4-ジメトキシフェニル)-6-メチル-ピリダジン-3-オン(3.00g、8.9mmol)、直前に精製した1,3-シクロヘキサジオン(1.31g、11.6mmol)、酢酸パラジウム(0.00204g、0.00890mmol)及びDpephos(0.00489g、0.0890mmol)を仕込んだ。系をアルゴンでフラッシュし、次いでトリエチルアミン(2.51mL、17.8mmol)及びアセトニトリル(12.5mL)を添加した。反応混合物を10barのCO雰囲気下において60℃で4時間撹拌した。Arでフラッシュし、周囲温度に冷却した後、反応混合物を減圧下で濃縮した。残渣をDCM(100mL)中にとり、1M HCl(75mL)で洗浄した。水性相をDCM(2×100ml)で抽出した。組み合わせた有機層をNa2SO4で乾燥し、ろ過し、蒸発させて、黄色~茶色のフォームである粗2-[2-(3,4-ジメトキシフェニル)-6-メチル-3-オキソ-ピリダジン-4-カルボニル]シクロヘキサン-1,3-ジオン(3.858g)を得た。トリメトキシベンゼンを標準として用いる定量的NMR分析は、81.7%の純度(化学収率92%)を示した。この材料をEtOH(7.5ml)中に懸濁させ、加熱還流し、30分間撹拌して、清透な溶液を得た。周囲温度に冷却した後、得られた沈殿物をろ出し、ろ紙の上において少量のEt2Oで洗浄し、高減圧下で乾燥して、2-[2-(3,4-ジメトキシフェニル)-6-メチル-3-オキソ-ピリダジン-4-カルボニル]シクロヘキサン-1,3-ジオン(2.819g、99.2%純度、82%単離収率)を明るい黄色の固体として得た。
1H NMR(400MHz,CDCl3):δ 16.15(s,1H),7.15-7.11(m,1H),7.10-7.08(m,2H),6.91(d,J=8.4Hz,1H),3.90(s,3H),3.89(s,3H),2.72(t,J=6.2Hz,2H),2.48-2.43(m,2H),2.41(s,3H),2.04(quin,J=6.4Hz,2H).
圧力バイアルに4-ブロモ-2-(3,4-ジメトキシフェニル)-6-メチル-ピリダジン-3-オン(0.200g、0.603mmol)、1,3-シクロヘキサンジオン(0.102g、0.905mmol)、Pd(OAc)2(0.00276g、0.0121mmol)及びビス(1-アダマンチル)-ブチル-ホスファン(0.00606g、0.0169mmol)を仕込んだ。系をアルゴンでフラッシュし、次いでジイソプロピルエチルアミン(0.21ml、1.21mmol)及びアセトニトリル(2.5ml)を添加した。反応混合物を10barのCO雰囲気下において80℃で18時間撹拌した。周囲温度に冷却し、アルゴンでフラッシュした後、反応混合物をセライトのパッドを通してろ過した。ろ液を減圧下で濃縮し、残渣をジクロロメタン中に溶解し、水性飽和NH4Clで洗浄した。水性相をジクロロメタン(2×)で抽出し、組み合わせた有機層を無水Na2SO4で乾燥し、減圧下で濃縮して、2-[2-(3,4-ジメトキシフェニル)-6-メチル-3-オキソ-ピリダジン-4-カルボニル]シクロヘキサン-1,3-ジオン(0.2684g)を黄色のフォームとして得た。内標準としてトリメトキシベンゼンを用いる定量的NMR分析は、57.8%(67%化学収率)の純度を示した。
圧力バイアルに4-クロロ-2-(3,4-ジメトキシフェニル)-6-メチル-ピリダジン-3-オン(0.200g、0.698mmol)、1,3-シクロヘキサンジオン(0.103g、0.91mmol)、Pd(OAc)2(0.0032g、0.014mmol)及び1,4-ビス(ジシクロヘキシルホスフィノ)-ブタン(0.0064g、0.014mmol)を仕込んだ。系をアルゴンでフラッシュし、次いでトリエチルアミン(0.20ml、1.4mmol)及びアセトニトリル(2.5ml)を添加した。反応混合物を10barのCO雰囲気下において80℃で18時間撹拌した。周囲温度に冷却し、アルゴンでフラッシュした後、反応混合物をセライトのパッドを通してろ過した。ろ液を減圧下で濃縮し、残渣をジクロロメタン中に溶解し、水性飽和NH4Clで洗浄した。水性相をジクロロメタン(2×)で抽出し、組み合わせた有機層を無水Na2SO4で乾燥し、減圧下で濃縮して、2-[2-(3,4-ジメトキシフェニル)-6-メチル-3-オキソ-ピリダジン-4-カルボニル]シクロヘキサン-1,3-ジオン(0.295g)を茶色のフォームとして得た。内標準としてトリメトキシベンゼンを用いる定量的NMR分析は、49%(54%化学収率)の純度を示した。
1H NMR(400MHz,CDCl3):δ 16.14(br s,1H),7.54-7.46(m,2H),7.09(s,1H),6.99-6.93(m,2H),3.83(s,3H),2.73(t,J=6.2Hz,2H),2.47(t,J=5.9Hz,2H),2.41(s,3H),2.10-1.99(m,2H).
1H NMR(400MHz,CDCl3):δ 16.15(s,1H),7.79(d,J=8.4Hz,2H),7.71(d,J=8.8Hz,2H),7.10(s,1H),2.75(t,J=6.4Hz,2H),2.48(t,J=6.6Hz,2H),2.43(s,3H),2.10-2.03(m,2H).
1H NMR(400MHz,CDCl3):δ 16.16(s,1H),7.85-7.82(m,2H),7.76-7.72(m,2H),7.08(s,1H),2.76(t,J=6.2Hz,2H),2.49(m,2H),2.43(s,3H),2.11-2.03(m,2H).
1H NMR(400MHz,CDCl3):δ 16.13(s,1H),7.47-7.43(m,2H),7.25(d,J=8.1Hz,2H),7.10(s,1H),2.73(t,J=6.4Hz,2H),2.47(t,J=6.4Hz,2H),2.41(s,3H),2.38(s,3H),2.09-2.01(m,2H).
1H NMR(400MHz,CDCl3):δ 16.14(s,1H),7.39-7.31(m,2H),7.18(d,J=6.6Hz,2H),7.10(s,1H),2.73(t,J=6.4Hz,2H),2.48(t,J=6.4Hz,2H),2.42(s,3H),2.40(s,3H),2.10-2.01(m,2H).
1H NMR(400MHz,CDCl3):δ 16.03(br s,1H),7.34-7.24(m,4H),7.17(s,1H),2.71(t,J=6.2Hz,2H),2.46(t,J=6.2Hz,2H),2.41(s,3H),2.23(s,3H),2.08-1.99(m,2H).
1H NMR(400MHz,CDCl3):δ 16.19(br s,1H),7.59-7.47(m,4H),7.09(s,1H),2.74(t,J=6.2Hz,2H),2.47(t,J=6.6Hz,2H),2.41(s,3H),2.14(s,3H),2.09-2.01(m,2H).
1H NMR(400MHz,CDCl3):δ 16.16(s,1H),7.04(s,1H),3.74(s,1H),2.75(t,J=6.2Hz,2H),2.49(t,J=6.6Hz,2H),2.35(s,3H),2.11-2.03(m,2H).
1H NMR(400MHz,CDCl3):δ 16.16(s,1H),7.01(s,1H),4.10(t,J=7.3,2H),2.73(t,J=6.2,2H),2.48(t,J=6.6Hz,2H),2.35(s,3H),2.11-2.02(m,2H),1.81-1.71(m,2H),1.44-1.32(m,2H),0.94(t,J=7.3Hz,3H).
1H NMR(400MHz,CDCl3):δ 16.10(br s,1H),11.44(br s,1H),7.09(s,1H),2.80-2.69(m,2H),2.55-2.45(m,2H),2.35(s,3H),2.12-2.03(m,2H).
Claims (14)
- 式(I):
R1は、水素、C1~C6アルキル、C1~C6ハロアルキル、C1~C3アルコキシC1~C3アルキル-、C1~C3アルコキシC2~C3アルコキシC1~C3アルキル-、アリール及び5又は6員ヘテロアリールからなる群から選択され、ここで、前記ヘテロアリールは、酸素、窒素及び硫黄からなる群からそれぞれ独立して選択される1~3個のヘテロ原子を含有し、前記アリール及びヘテロアリール構成要素は、置換されていてもよく;
R2は、C1~C6アルキル又はC3~C6シクロアルキルであり;
A1は、O、C(O)及び(CR7R8)からなる群から選択され;及び
R4、R6、R7及びR8は、水素及びC1~C4アルキルからなる群からそれぞれ独立して選択され;
R3及びR5は、水素及びC1~C4アルキルからなる群からそれぞれ独立して選択されるか、又は一緒になってC1~C3アルキレン鎖を形成し得る)
の化合物を製造するプロセスであって、式(II)
の化合物を、式(III)
の化合物と、
(i)パラジウム触媒
(ii)ホスフィンリガンド又はホスフィンリガンド塩、
(iii)塩基、及び
(iv)一酸化炭素
を含む反応媒体中において反応させて、式(I)の化合物を与えるステップを含む、プロセス。 - R1は、置換されていてもよいヘテロアリールである、請求項1に記載のプロセス。
- R1は、置換されていてもよいフェニルである、請求項1に記載のプロセス。
- R1は、ハロ、C1~C4アルキル、C1~C4ハロアルキル、C1~C3アルコキシ、シアノ及びニトロからなる群から選択される1つ以上の置換基によって置換されていてもよいフェニルである、請求項3に記載のプロセス。
- R1は、3,4-ジメトキシフェニルである、請求項4に記載のプロセス。
- R2は、メチルである、請求項1~5のいずれか一項に記載のプロセス。
- Xは、Br、Cl及びIからなる群から選択される、請求項1~6のいずれか一項に記載のプロセス。
- Xは、Brである、請求項1~7のいずれか一項に記載のプロセス。
- A1は、CR7R8であり、且つR3、R4、R5、R6、R7及びR8は、水素である、請求項1~8のいずれか一項に記載のプロセス。
- 前記反応媒体は、(v)溶剤をさらに含む、請求項1~9のいずれか一項に記載のプロセス。
- 前記溶剤は、アセトニトリルである、請求項10に記載のプロセス。
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MX2020003921A (es) | 2020-09-07 |
PH12020550592A1 (en) | 2021-03-08 |
CN111406045B (zh) | 2023-08-29 |
US11254643B2 (en) | 2022-02-22 |
ZA202002530B (en) | 2021-05-26 |
CA3079498A1 (en) | 2019-04-25 |
AR113769A1 (es) | 2020-06-10 |
EA202090933A1 (ru) | 2020-08-19 |
EP3697760A1 (en) | 2020-08-26 |
CL2020001049A1 (es) | 2020-08-28 |
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AU2018351470A1 (en) | 2020-05-07 |
EP3697760B1 (en) | 2023-03-08 |
KR20200073251A (ko) | 2020-06-23 |
US20210024470A1 (en) | 2021-01-28 |
JP2020537679A (ja) | 2020-12-24 |
IL274014B (en) | 2022-06-01 |
BR112020007752A2 (pt) | 2020-10-20 |
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