JP5139295B2 - アニリンの製造方法 - Google Patents
アニリンの製造方法 Download PDFInfo
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- JP5139295B2 JP5139295B2 JP2008528396A JP2008528396A JP5139295B2 JP 5139295 B2 JP5139295 B2 JP 5139295B2 JP 2008528396 A JP2008528396 A JP 2008528396A JP 2008528396 A JP2008528396 A JP 2008528396A JP 5139295 B2 JP5139295 B2 JP 5139295B2
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- palladium
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- ligand
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- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 title description 8
- 238000004519 manufacturing process Methods 0.000 title description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 152
- 150000001875 compounds Chemical class 0.000 claims description 109
- 239000003446 ligand Substances 0.000 claims description 87
- 229910052763 palladium Inorganic materials 0.000 claims description 75
- 238000000034 method Methods 0.000 claims description 48
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 40
- -1 tri-tert- Butyl-phosphonium tetrafluoroborate Chemical compound 0.000 claims description 28
- BWHDROKFUHTORW-UHFFFAOYSA-N tritert-butylphosphane Chemical compound CC(C)(C)P(C(C)(C)C)C(C)(C)C BWHDROKFUHTORW-UHFFFAOYSA-N 0.000 claims description 25
- 239000001257 hydrogen Substances 0.000 claims description 23
- 229910052739 hydrogen Inorganic materials 0.000 claims description 23
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 22
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 20
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical group C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 18
- 239000000460 chlorine Substances 0.000 claims description 10
- 229910052801 chlorine Inorganic materials 0.000 claims description 10
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 8
- 230000003197 catalytic effect Effects 0.000 claims description 5
- AZZUOVGZUDIOAJ-UHFFFAOYSA-N imidazol-2-ylidenepalladium Chemical compound [Pd]=C1N=CC=N1 AZZUOVGZUDIOAJ-UHFFFAOYSA-N 0.000 claims description 5
- AVJBQMXODCVJCJ-UHFFFAOYSA-M 1,3-bis[2,6-di(propan-2-yl)phenyl]imidazol-1-ium;chloride Chemical compound [Cl-].CC(C)C1=CC=CC(C(C)C)=C1N1C=[N+](C=2C(=CC=CC=2C(C)C)C(C)C)C=C1 AVJBQMXODCVJCJ-UHFFFAOYSA-M 0.000 claims description 4
- DFGAJGVTKXZKID-UHFFFAOYSA-N 2-dicyclohexylphosphanyl-n,n-dimethyl-3-phenylaniline Chemical group C1CCCCC1P(C1CCCCC1)C=1C(N(C)C)=CC=CC=1C1=CC=CC=C1 DFGAJGVTKXZKID-UHFFFAOYSA-N 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- VNFWTIYUKDMAOP-UHFFFAOYSA-N sphos Chemical compound COC1=CC=CC(OC)=C1C1=CC=CC=C1P(C1CCCCC1)C1CCCCC1 VNFWTIYUKDMAOP-UHFFFAOYSA-N 0.000 claims description 2
- KYLUAQBYONVMCP-UHFFFAOYSA-N (2-methylphenyl)phosphane Chemical compound CC1=CC=CC=C1P KYLUAQBYONVMCP-UHFFFAOYSA-N 0.000 claims 1
- WDJHALXBUFZDSR-UHFFFAOYSA-N acetoacetic acid Chemical compound CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 37
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 30
- 238000002360 preparation method Methods 0.000 description 21
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 16
- 239000000203 mixture Substances 0.000 description 12
- 239000003054 catalyst Substances 0.000 description 11
- 239000011541 reaction mixture Substances 0.000 description 10
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000005576 amination reaction Methods 0.000 description 9
- BNPIPQLAPYCLET-UHFFFAOYSA-N n-benzyl-2-(2-cyclopropylcyclopropyl)aniline Chemical compound C=1C=CC=CC=1CNC1=CC=CC=C1C1CC1C1CC1 BNPIPQLAPYCLET-UHFFFAOYSA-N 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- ADLVDYMTBOSDFE-UHFFFAOYSA-N 5-chloro-6-nitroisoindole-1,3-dione Chemical compound C1=C(Cl)C([N+](=O)[O-])=CC2=C1C(=O)NC2=O ADLVDYMTBOSDFE-UHFFFAOYSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 150000001448 anilines Chemical class 0.000 description 8
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 239000012696 Pd precursors Substances 0.000 description 7
- 239000012074 organic phase Substances 0.000 description 7
- XEXDNKGQKPZOFF-UHFFFAOYSA-N 1-chloro-2-(2-cyclopropylcyclopropyl)benzene Chemical group ClC1=CC=CC=C1C1C(C2CC2)C1 XEXDNKGQKPZOFF-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- WMKGGPCROCCUDY-PHEQNACWSA-N dibenzylideneacetone Chemical compound C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 WMKGGPCROCCUDY-PHEQNACWSA-N 0.000 description 6
- 239000000543 intermediate Substances 0.000 description 6
- KZPYGQFFRCFCPP-UHFFFAOYSA-N 1,1'-bis(diphenylphosphino)ferrocene Chemical compound [Fe+2].C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1 KZPYGQFFRCFCPP-UHFFFAOYSA-N 0.000 description 5
- XQJHRCVXRAJIDY-UHFFFAOYSA-N aminophosphine Chemical compound PN XQJHRCVXRAJIDY-UHFFFAOYSA-N 0.000 description 5
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 5
- 229910052794 bromium Inorganic materials 0.000 description 5
- 125000001246 bromo group Chemical group Br* 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 150000008422 chlorobenzenes Chemical class 0.000 description 5
- 239000012038 nucleophile Substances 0.000 description 5
- 238000010651 palladium-catalyzed cross coupling reaction Methods 0.000 description 5
- 0 CC1([C@@](C2)[C@@]2c(cccc2)c2N)C(*)(*)C1 Chemical compound CC1([C@@](C2)[C@@]2c(cccc2)c2N)C(*)(*)C1 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- MUALRAIOVNYAIW-UHFFFAOYSA-N binap Chemical compound C1=CC=CC=C1P(C=1C(=C2C=CC=CC2=CC=1)C=1C2=CC=CC=C2C=CC=1P(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 MUALRAIOVNYAIW-UHFFFAOYSA-N 0.000 description 4
- 239000000417 fungicide Substances 0.000 description 4
- 238000004817 gas chromatography Methods 0.000 description 4
- 150000005171 halobenzenes Chemical class 0.000 description 4
- 239000012442 inert solvent Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- WRBFUJVNYHEZAL-UHFFFAOYSA-N 2-(2-cyclopropylcyclopropyl)aniline Chemical compound NC1=CC=CC=C1C1C(C2CC2)C1 WRBFUJVNYHEZAL-UHFFFAOYSA-N 0.000 description 3
- 125000004182 2-chlorophenyl group Chemical group [H]C1=C([H])C(Cl)=C(*)C([H])=C1[H] 0.000 description 3
- CNZJMZRCFCITCT-UHFFFAOYSA-N 5-(2-chlorophenyl)-3-cyclopropyl-4,5-dihydro-1h-pyrazole Chemical compound ClC1=CC=CC=C1C1NN=C(C2CC2)C1 CNZJMZRCFCITCT-UHFFFAOYSA-N 0.000 description 3
- WDYVUKGVKRZQNM-UHFFFAOYSA-N 6-phosphonohexylphosphonic acid Chemical compound OP(O)(=O)CCCCCCP(O)(O)=O WDYVUKGVKRZQNM-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000003973 alkyl 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
- 239000006227 byproduct Substances 0.000 description 3
- 238000004440 column chromatography Methods 0.000 description 3
- 239000003480 eluent Substances 0.000 description 3
- 150000002466 imines Chemical class 0.000 description 3
- 229910052740 iodine Inorganic materials 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 125000002524 organometallic group Chemical group 0.000 description 3
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 3
- 150000003003 phosphines Chemical group 0.000 description 3
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- HVCFCNAITDHQFX-UHFFFAOYSA-N 1-cyclopropylethanone Chemical compound CC(=O)C1CC1 HVCFCNAITDHQFX-UHFFFAOYSA-N 0.000 description 2
- ORILYTVJVMAKLC-UHFFFAOYSA-N Adamantane Natural products C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 150000004982 aromatic amines Chemical group 0.000 description 2
- REDWELITTWIEQG-UHFFFAOYSA-N cyclopenta-1,3-diene;dicyclohexyl-[1-(2-diphenylphosphanylcyclopenta-2,4-dien-1-yl)ethyl]phosphane;iron(2+) Chemical compound [Fe+2].C=1C=C[CH-]C=1.C1=CC=C(P(C=2C=CC=CC=2)C=2C=CC=CC=2)[C-]1C(C)P(C1CCCCC1)C1CCCCC1 REDWELITTWIEQG-UHFFFAOYSA-N 0.000 description 2
- DPOGTJDEMBEUSH-UHFFFAOYSA-N dicyclohexyl(ethyl)phosphane Chemical compound C1CCCCC1P(CC)C1CCCCC1 DPOGTJDEMBEUSH-UHFFFAOYSA-N 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- SXZIXHOMFPUIRK-UHFFFAOYSA-N diphenylmethanimine Chemical compound C=1C=CC=CC=1C(=N)C1=CC=CC=C1 SXZIXHOMFPUIRK-UHFFFAOYSA-N 0.000 description 2
- WDUDHEOUGWAKFD-UHFFFAOYSA-N ditert-butyl(cyclopenta-2,4-dien-1-yl)phosphane;iron(2+) Chemical compound [Fe+2].CC(C)(C)P(C(C)(C)C)C1=CC=C[CH-]1.CC(C)(C)P(C(C)(C)C)C1=CC=C[CH-]1 WDUDHEOUGWAKFD-UHFFFAOYSA-N 0.000 description 2
- WHOBZBLBTZHMGY-UHFFFAOYSA-N ditert-butyl(ethyl)phosphane Chemical compound CCP(C(C)(C)C)C(C)(C)C WHOBZBLBTZHMGY-UHFFFAOYSA-N 0.000 description 2
- OXTKXGVJXOBALA-UHFFFAOYSA-N ethyl-bis(2-methylphenyl)phosphane Chemical compound C=1C=CC=C(C)C=1P(CC)C1=CC=CC=C1C OXTKXGVJXOBALA-UHFFFAOYSA-N 0.000 description 2
- 230000000855 fungicidal effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 description 1
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- DYLIWHYUXAJDOJ-OWOJBTEDSA-N (e)-4-(6-aminopurin-9-yl)but-2-en-1-ol Chemical compound NC1=NC=NC2=C1N=CN2C\C=C\CO DYLIWHYUXAJDOJ-OWOJBTEDSA-N 0.000 description 1
- FJUVUVTZDIJSHX-UHFFFAOYSA-N 1,2-bis(1-adamantyl)-1h-imidazol-1-ium;chloride Chemical compound [Cl-].C1C(C2)CC(C3)CC2CC13C1=NC=C[NH+]1C(C1)(C2)CC3CC2CC1C3 FJUVUVTZDIJSHX-UHFFFAOYSA-N 0.000 description 1
- JFEKQFAEQBOBIU-UHFFFAOYSA-N 1-bromo-2-(2-cyclopropylcyclopropyl)benzene Chemical group BrC1=CC=CC=C1C1C(C2CC2)C1 JFEKQFAEQBOBIU-UHFFFAOYSA-N 0.000 description 1
- VJODTBPLWDEHJQ-UHFFFAOYSA-N 1-chloro-2-cyclopropylbenzene Chemical compound ClC1=CC=CC=C1C1CC1 VJODTBPLWDEHJQ-UHFFFAOYSA-N 0.000 description 1
- JDIIGWSSTNUWGK-UHFFFAOYSA-N 1h-imidazol-3-ium;chloride Chemical compound [Cl-].[NH2+]1C=CN=C1 JDIIGWSSTNUWGK-UHFFFAOYSA-N 0.000 description 1
- IUVCFHHAEHNCFT-INIZCTEOSA-N 2-[(1s)-1-[4-amino-3-(3-fluoro-4-propan-2-yloxyphenyl)pyrazolo[3,4-d]pyrimidin-1-yl]ethyl]-6-fluoro-3-(3-fluorophenyl)chromen-4-one Chemical compound C1=C(F)C(OC(C)C)=CC=C1C(C1=C(N)N=CN=C11)=NN1[C@@H](C)C1=C(C=2C=C(F)C=CC=2)C(=O)C2=CC(F)=CC=C2O1 IUVCFHHAEHNCFT-INIZCTEOSA-N 0.000 description 1
- ZYHQGITXIJDDKC-UHFFFAOYSA-N 2-[2-(2-aminophenyl)ethyl]aniline Chemical group NC1=CC=CC=C1CCC1=CC=CC=C1N ZYHQGITXIJDDKC-UHFFFAOYSA-N 0.000 description 1
- FPYUJUBAXZAQNL-UHFFFAOYSA-N 2-chlorobenzaldehyde Chemical compound ClC1=CC=CC=C1C=O FPYUJUBAXZAQNL-UHFFFAOYSA-N 0.000 description 1
- JSKOLQWFMXYJAF-UHFFFAOYSA-N 2-cyclopropylaniline Chemical compound NC1=CC=CC=C1C1CC1 JSKOLQWFMXYJAF-UHFFFAOYSA-N 0.000 description 1
- DFURBSAMHSSUMC-UHFFFAOYSA-N 2-ditert-butylphosphanyl-n,n-dimethyl-3-phenylaniline Chemical group CN(C)C1=CC=CC(C=2C=CC=CC=2)=C1P(C(C)(C)C)C(C)(C)C DFURBSAMHSSUMC-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- HUNBCALTCLWHBG-UHFFFAOYSA-N C(C)(C)(C)P(C(C)[C-]1C(=CC=C1)P(=O)(C1CCCCC1)C1CCCCC1)C(C)(C)C.[CH-]1C=CC=C1.[Fe+2] Chemical compound C(C)(C)(C)P(C(C)[C-]1C(=CC=C1)P(=O)(C1CCCCC1)C1CCCCC1)C(C)(C)C.[CH-]1C=CC=C1.[Fe+2] HUNBCALTCLWHBG-UHFFFAOYSA-N 0.000 description 1
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 1
- IOPQYDKQISFMJI-UHFFFAOYSA-N [1-[2-bis(4-methylphenyl)phosphanylnaphthalen-1-yl]naphthalen-2-yl]-bis(4-methylphenyl)phosphane Chemical group C1=CC(C)=CC=C1P(C=1C(=C2C=CC=CC2=CC=1)C=1C2=CC=CC=C2C=CC=1P(C=1C=CC(C)=CC=1)C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 IOPQYDKQISFMJI-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 150000001502 aryl halides Chemical class 0.000 description 1
- YCOXTKKNXUZSKD-UHFFFAOYSA-N as-o-xylenol Natural products CC1=CC=C(O)C=C1C YCOXTKKNXUZSKD-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000007068 beta-elimination reaction Methods 0.000 description 1
- ZDZHCHYQNPQSGG-UHFFFAOYSA-N binaphthyl group Chemical group C1(=CC=CC2=CC=CC=C12)C1=CC=CC2=CC=CC=C12 ZDZHCHYQNPQSGG-UHFFFAOYSA-N 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- XJIXVSYABXKOAQ-UHFFFAOYSA-N bis(1-adamantyl)-tert-butylphosphane Chemical compound C1C(C2)CC(C3)CC2CC13P(C(C)(C)C)C1(C2)CC(C3)CC2CC3C1 XJIXVSYABXKOAQ-UHFFFAOYSA-N 0.000 description 1
- 150000004768 bromobenzenes Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- CXQRZKIIGJLWPJ-UHFFFAOYSA-N diphenylphosphane;1-naphthalen-1-ylnaphthalene Chemical group C=1C=CC=CC=1PC1=CC=CC=C1.C1=CC=C2C(C=3C4=CC=CC=C4C=CC=3)=CC=CC2=C1 CXQRZKIIGJLWPJ-UHFFFAOYSA-N 0.000 description 1
- VURFVHCLMJOLKN-UHFFFAOYSA-N diphosphane Chemical compound PP VURFVHCLMJOLKN-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- QQSIRURWBGEHFS-UHFFFAOYSA-N ditert-butyl(oxo)phosphanium Chemical compound CC(C)(C)[P+](=O)C(C)(C)C QQSIRURWBGEHFS-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000007866 imination reaction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- SNHMUERNLJLMHN-UHFFFAOYSA-N iodobenzene Chemical compound IC1=CC=CC=C1 SNHMUERNLJLMHN-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 1
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000002868 norbornyl group Chemical group C12(CCC(CC1)C2)* 0.000 description 1
- GEVPUGOOGXGPIO-UHFFFAOYSA-N oxalic acid;dihydrate Chemical compound O.O.OC(=O)C(O)=O GEVPUGOOGXGPIO-UHFFFAOYSA-N 0.000 description 1
- 150000002940 palladium Chemical class 0.000 description 1
- MUJIDPITZJWBSW-UHFFFAOYSA-N palladium(2+) Chemical compound [Pd+2] MUJIDPITZJWBSW-UHFFFAOYSA-N 0.000 description 1
- LXNAVEXFUKBNMK-UHFFFAOYSA-N palladium(II) acetate Substances [Pd].CC(O)=O.CC(O)=O LXNAVEXFUKBNMK-UHFFFAOYSA-N 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000003444 phase transfer catalyst Substances 0.000 description 1
- QARVLSVVCXYDNA-UHFFFAOYSA-N phenyl bromide Natural products BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 1
- COIOYMYWGDAQPM-UHFFFAOYSA-N tris(2-methylphenyl)phosphane Chemical compound CC1=CC=CC=C1P(C=1C(=CC=CC=1)C)C1=CC=CC=C1C COIOYMYWGDAQPM-UHFFFAOYSA-N 0.000 description 1
- 238000007039 two-step reaction Methods 0.000 description 1
- 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 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/04—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups
- C07C209/06—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of halogen atoms
- C07C209/10—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of halogen atoms with formation of amino groups bound to carbon atoms of six-membered aromatic rings or from amines having nitrogen atoms bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/62—Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/02—Systems containing only non-condensed rings with a three-membered ring
Description
a)式II
b)還元剤を用いてこの化合物を式Iの化合物に転化するステップ
を含む。
方法ステップ(a)で使用されるパラジウム錯体化合物は、パラジウム前駆体および少なくとも1種類の適切な配位子から形成される。方法ステップ(a)ではこれらパラジウム錯体化合物は、好ましくはパラジウム−配位子の錯体として溶解形態で存在する。
(A)単座第三級ホスフィン配位子、すなわちトリ−tert−ブチル−ホスフィン、トリ−tert−ブチル−ホスホニウムテトラフルオロホウ酸塩(「P(tBu)3HBF4」)、トリス−オルト−トリル−ホスフィン(「P(oTol)3」)、トリス−シクロヘキシル−ホスフィン(「P(Cy)3」)、2−ジ−tert−ブチルホスフィノ−1, 1′−ビスフェニル(「P(tBu)2BiPh」)、2−ジシクロヘキシルホスフィノ−1, 1′−ビスフェニル(「P(Cy)2BiPh」)または2−ジシクロヘキシルホスフィノ−2′, 4′, 6′−トリイソプロピル−1, 1′−ビスフェニル(「x-Phos」)、tert−ブチル−ジ−1−アダマンチル−ホスフィン(「P(tBu)(Adam)2」)、あるいは
(B)二座第三級ホスフィン配位子、
(B1)ビホスフィン配位子、すなわち
(B1.1)フェロセニルビホスフィン配位子、例えばR(−)−ジ−tert−ブチル−[1−[(S)−2−(ジシクロヘキシルホスフィニル)フェロセニル]エチル]ホスフィン(「Josiphos 1」)
(B1.2)ビナフチルビスホスフィン配位子、例えば2, 2′−ビス(ジフェニルホスフィノ)−1, 1′−ビナフチル(「BINAP」)や、R(+)−2, 2′−ビス(ジ−p−トリルホスフィノ)−1, 1′−ビナフチル(「Tol-BINAP」)や、ラセミ体2, 2′−ビス(ジ−p−トリルホスフィノ)−1, 1′−ビナフチル(「ラセミTol-BINAP」)など、あるいは
(B1.3)9, 9−ジメチル−4, 5−ビス(ジフェニルホスフィノ)キサンテン(「Xanphos」)、あるいは
(B2)アミノホスフィン配位子、すなわち
(B2.1)ビフェニル配位子、例えば2−ジシクロヘキシルホスフィノ−(N, N−ジメチルアミノ)−1, 1′−ビフェニル(「PCy2NMe2BiPh」)
1, 3−ビス(2, 6−ジイソプロピルフェニル)イミダゾリウムクロリド(「I-Pr」)
方法ステップb)にとって好適な還元剤は、例えば金属触媒の存在下での水素である。
a)ナトリウムtert−ブタノラート、およびトリ−tert−ブチルホスフィンと、トリ−tert−ブチルホスホニウムテトラフルオロホウ酸塩と、2−ジシクロヘキシルホスフィノ−(N, N−ジメチルアミノ)−1, 1′−ビフェニルと、1, 3−ビス(2, 6−ジイソプロピルフェニル)イミダゾリウムクロリドとから選択される少なくとも1種類の配位子を含む触媒量の少なくとも1種類のパラジウム錯体化合物の存在下において、R1、R2、およびR3がそれぞれ他と関係なく水素またはC1〜C4アルキルであり、Xが塩素である式IIの化合物をベンジルアミンと反応させて、R1、R2、R3、およびR4がそれぞれ他と関係なく水素またはC1〜C4アルキルである式IVの化合物を形成し、
b)この式IVの化合物を金属触媒の存在下において水素を用いて式Iの化合物に転化することによって調製するのにとりわけ適している。
30%水酸化ナトリウム溶液67 gを水350 mlおよびシクロプロピルメチルケトン97.5 g(1.1 mol)と混合し、撹拌しながら90℃まで加熱する。得られた混合物に2−クロロ−ベンズアルデヒド143.5 g(1 mol)を1滴ずつ加え、5時間撹拌を行う。撹拌の間、2時間後およびさらに3時間後に、シクロプロピルメチルケトン2 mlを加える。6時間の全反応時間の後に50℃まで冷却する。反応混合物を濾過し、相を分離する。有機相を濃縮する。3−(2−クロロフェニル)−1−シクロプロピル−プロペノン188.6 gが黄色の油の形態で得られる。
A1により調製した3−(2−クロロフェニル)−1−シクロプロピル−プロペノン188.6 g(1 mol)にエタノール250 gを加える。20℃においてヒドラジン水和物53 g(1.05 mol)を撹拌しながら1滴ずつ加える。反応混合物を70℃で2時間撹拌する。次いで反応混合物を50℃まで冷却する。シュウ酸二水和物5.5 g(0.044 mol)およびエタノール20 gの混合物を加えると固体が沈殿する。反応混合物を25℃まで冷却し、焼結ガラス吸込フィルターを通して濾過し、エタノール50 gで洗浄する。黄色の濾液が得られ、これを20ミリバールまで下げる回転減圧蒸発器を用いて60℃において蒸発させることによって濃縮して黄色の油を形成する。主成分5−(2−クロロフェニル)−3−シクロプロピル−4, 5−ジヒドロ−1H−ピラゾールを有する異性体混合物201.5 gが黄色の油の形態で得られる。
エチレングリコール600 gに溶かした炭酸カリウム50 g(0.36 mol)の溶液に、A2で述べた通り調製した5−(2−クロロフェニル)−3−シクロプロピル−4, 5−ジヒドロ−1H−ピラゾール201.5 gを、190℃において2時間かけて加える。次いで撹拌を190℃で2時間行う。反応の終了はガスの発生の停止によって示される。次いで反応混合物を100℃まで冷却すると相分離が起こり、その上部の生成物の相を分離する。2−(2−クロロフェニル)ビシクロプロピル158 gが粗生成物として得られ、これを、例えば蒸留によってさらに精製する。
2−(2−クロロフェニル)ビシクロプロピル3 g(15.6 mmol、trans/cis比約2 : 1)、ベンジルアミン2.5 g(23.4 mmol)、ナトリウムtert−ブタノラート2.4 g(25 mmol)、酢酸Pd(II)35 mg(0.16 mmol)、およびR(−)−ジ−tert−ブチル−[1−[(S)−2−(ジシクロヘキシルホスファニル)−フェロセニル]エチル]ホスフィン60 mg(0.11 mmol)をジメトキシエタン30 ml中に溶解する。この反応混合物を溶媒の還流温度まで加熱し、24時間撹拌する。冷却後、酢酸エチルを加え、有機相を水で洗浄する。水流減圧装置(water jet vacuum)を用いて溶媒を除去し、残渣を乾燥する。生成物をシリカゲル上でのカラムクロマトグラフィー(溶離液:酢酸エチル/ヘキサン1 : 15)により精製する。ベンジル(2−ビシクロプロピル−2−イル−フェニル)アミン3.58 g(理論の87%)が褐色の油の形態で得られる(trans/cis比約2 : 1)。
2−(2−ブロモフェニル)ビシクロプロピル3.7 g(15.6 mmol、trans/cis比約3 : 1)、ベンジルアミン2.0 g(18.7 mmol)、ナトリウムtert−ブタノラート2.1 g(21.8 mmol)、酢酸Pd(II)3.5 mg(0.016 mmol)、およびR(−)−ジ−tert−ブチル−[1−[(S)−2−(ジシクロヘキシルホスファニル)−フェロセニル]エチル]ホスフィン8.6 mg(0.016 mmol)をジメトキシエタン30 ml中に溶解する。この反応混合物を70℃まで加熱し、24時間撹拌する。冷却後、酢酸エチルを加える。有機相を水で洗浄する。水流減圧装置を用いて溶媒を除去し、残渣を乾燥する。生成物をシリカゲル上でのカラムクロマトグラフィー(溶離液:酢酸エチル/ヘキサン1 : 15)により精製する。ベンジル(2−ビシクロプロピル−2−イル−フェニル)アミン3.47 g(理論の84%)が褐色の油の形態で得られる(trans/cis比約3 : 1)。
ベンジル(2−ビシクロプロピル−2−イル−フェニル)アミン1 g(3.8 mmol、trans/cis比約3 : 1)を無水テトラヒドロフラン15 ml中に溶解する。次いで50 mgの活性炭担持Pd(5%)を加える。次いで水素化を撹拌しながら室温で1時間行う。反応の完了後、触媒を濾過して除き、水流減圧装置を用いて溶媒を除去する。生成物をシリカゲル上でのカラムクロマトグラフィー(溶離液:酢酸エチル/ヘキサン1 : 15)により精製する。2−ビシクロプロピル−2−イル−フェニルアミン0.61 g(理論の92%)が茶色がかった液体の形態で得られる(trans/cis比約3 : 1)。
2−(2−クロロフェニル)ビシクロプロピル100 mg(0.5 mmol)、ベンジルアミン0.085 ml(0.78 mmol)、ナトリウムtert−ブタノラート8 mg(0.83 mmol)、酢酸Pd(II)1.2 mg(0.005 mmol、1 mol%)、および配位子0.0035 mmol(0.69 mol%)の混合物を準備する。ジメトキシエタン3 mlを加え、90℃で16時間撹拌を行う。冷却後、酢酸エチル2.5 mlおよび水3 mlを加え、有機相を抽出する。反応生成物がベンジル(2−ビシクロプロピル−2−イル−フェニル)アミンそのものであることおよびその収率をガスクロマトグラフィーによって決定する。
2−(2−クロロフェニル)ビシクロプロピル100 mg(0.5 mmol)、ベンジルアミン0.085 ml(0.78 mmol)、ナトリウムtert−ブタノラート8 mg(0.83 mmol)、および所望のパラジウム錯体化合物濃度の状態のパラジウム錯体化合物の混合物を作製する。文献から知られる方法を用いてそのパラジウム錯体化合物を調製し、これをすでに形成済みのパラジウム錯体化合物として反応混合物に直接加える。ジメトキシエタン3 mlを加え、90℃で16時間撹拌を行う。冷却後、酢酸エチル2.5 mlおよび水3 mlを加え、有機相を抽出する。反応生成物がベンジル(2−ビシクロプロピル−2−イル−フェニル)アミンそのものであることおよびその収率をガスクロマトグラフィーによって決定する。
2−(2−クロロフェニル)ビシクロプロピル100 mg(0.5 mmol)、ベンジルアミン0.085 ml(0.78 mmol)、ナトリウムtert−ブタノラート8 mg(0.83 mmol)、酢酸Pd(II)0.24 mg(0.001 mmol、0.2 mol%)、および配位子0.0007 mmol(0.14 mol%)の混合物を作製する。ジメトキシエタン3 mlを加え、90℃で16時間撹拌を行う。冷却後、酢酸エチル2.5 mlおよび水3 mlを加え、有機相を抽出する。反応生成物がベンジル(2−ビシクロプロピル−2−イル−フェニル)アミンそのものであることおよびその収率をガスクロマトグラフィーによって決定する。
2−(2−クロロフェニル)ビシクロプロピル100 mg(0.5 mmol)、ベンジルアミン0.085 ml(0.78 mmol)、ナトリウムtert−ブタノラート8 mg(0.83 mmol)、および所望のパラジウム錯体化合物濃度の状態のパラジウム錯体化合物の混合物を作製する。文献から知られる方法を用いてパラジウム錯体化合物を調製し、これをすでに形成済みのパラジウム錯体化合物として反応混合物に直接加える。ジメトキシエタン3 mlを加え、90℃で16時間撹拌を行う。冷却後、酢酸エチル2.5 mlおよび水3 mlを加え、有機相を抽出する。反応生成物がベンジル(2−ビシクロプロピル−2−イル−フェニル)アミンそのものであることおよびその収率をガスクロマトグラフィーによって決定する。
Claims (7)
- 式I
a)式II
b)前記化合物を還元剤を用いて式Iの化合物に転化するステップ
を含む、前記方法。 - 前記パラジウム錯体化合物が、2−ジシクロヘキシルホスフィノ−(N, N−ジメチルアミノ)−1, 1′−ビフェニルおよび1, 3−ビス(2, 6−ジイソプロピルフェニル)イミダゾリウムクロリドから選択される少なくとも1種類の配位子を含む、請求項1に記載の方法。
- 前記パラジウム錯体化合物が、ナフトキノン−1, 3−ビス(2, 6−ジイソプロピルフェニル)イミダゾール−2−イリデン−パラジウム、ジビニル−テトラメチルシロキサン−1, 3−ビス(2, 6−ジイソプロピルフェニル)イミダゾール−2−イリデン−パラジウム、1, 3−ビス(2, 6−ジイソプロピルフェニル)イミダゾール−2−イリデン−パラジウムジクロリド、1, 3−ビス(2, 6−ジイソプロピルフェニル)イミダゾール−2−イリデン−パラジウム二酢酸塩及びアリル−1, 3−ビス(2, 6−ジイソプロピルフェニル)イミダゾール−2−イリデン−パラジウムクロリド(「Pd-Al-Cl-IPr」)から選択される化合物である、請求項1に記載の方法。
- 前記パラジウム錯体化合物が、ナフトキノン−1, 3−ビス(2, 6−ジイソプロピルフェニル)イミダゾール−2−イリデン−パラジウムである、請求項3に記載の方法。
- 前記配位子を前記式IIの化合物に対して0.01 mol%から0.5 mol%の比率で使用する、請求項1に記載の方法。
- R4が水素である、請求項6に記載の式IVの化合物。
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PCT/EP2006/008398 WO2007025693A1 (en) | 2005-08-30 | 2006-08-28 | Process for the production of anilines |
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KR20110082623A (ko) * | 2008-11-10 | 2011-07-19 | 유니베이션 테크놀로지즈, 엘엘씨 | 아릴아민 화합물의 제조 방법 |
US10206592B2 (en) | 2012-09-14 | 2019-02-19 | Endotronix, Inc. | Pressure sensor, anchor, delivery system and method |
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