JP4682141B2 - イリジウム錯体 - Google Patents
イリジウム錯体 Download PDFInfo
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- JP4682141B2 JP4682141B2 JP2006531183A JP2006531183A JP4682141B2 JP 4682141 B2 JP4682141 B2 JP 4682141B2 JP 2006531183 A JP2006531183 A JP 2006531183A JP 2006531183 A JP2006531183 A JP 2006531183A JP 4682141 B2 JP4682141 B2 JP 4682141B2
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- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 title claims description 45
- 229910052741 iridium Inorganic materials 0.000 title claims description 44
- 125000000217 alkyl group Chemical group 0.000 claims description 87
- 125000004432 carbon atom Chemical group C* 0.000 claims description 77
- -1 biphenyldiyl group Chemical group 0.000 claims description 67
- 125000003118 aryl group Chemical group 0.000 claims description 47
- 125000003545 alkoxy group Chemical group 0.000 claims description 32
- 150000001875 compounds Chemical class 0.000 claims description 32
- 125000005843 halogen group Chemical group 0.000 claims description 30
- 239000003446 ligand Substances 0.000 claims description 29
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 27
- 125000000623 heterocyclic group Chemical group 0.000 claims description 25
- HZVOZRGWRWCICA-UHFFFAOYSA-N methanediyl Chemical compound [CH2] HZVOZRGWRWCICA-UHFFFAOYSA-N 0.000 claims description 25
- 229910052799 carbon Inorganic materials 0.000 claims description 24
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 22
- 230000007935 neutral effect Effects 0.000 claims description 20
- 238000009876 asymmetric hydrogenation reaction Methods 0.000 claims description 19
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 15
- 239000003054 catalyst Substances 0.000 claims description 14
- 125000002947 alkylene group Chemical group 0.000 claims description 12
- 150000001721 carbon Chemical group 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 9
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims description 9
- 150000004985 diamines Chemical class 0.000 claims description 8
- 125000002950 monocyclic group Chemical group 0.000 claims description 6
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 6
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 5
- 150000001450 anions Chemical class 0.000 claims description 4
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 claims description 4
- 239000013543 active substance Substances 0.000 claims description 3
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 3
- 125000001424 substituent group Chemical group 0.000 description 69
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 24
- 125000005842 heteroatom Chemical group 0.000 description 20
- 125000001624 naphthyl group Chemical group 0.000 description 16
- 239000002904 solvent Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 15
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical group C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- 229910052801 chlorine Inorganic materials 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- MUALRAIOVNYAIW-UHFFFAOYSA-N binap Chemical group 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 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 125000001309 chloro group Chemical group Cl* 0.000 description 9
- 125000004433 nitrogen atom Chemical group N* 0.000 description 9
- 238000003786 synthesis reaction Methods 0.000 description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000012300 argon atmosphere Substances 0.000 description 8
- 125000003710 aryl alkyl group Chemical group 0.000 description 8
- 150000004678 hydrides Chemical class 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 239000000460 chlorine Chemical group 0.000 description 7
- 125000004663 dialkyl amino group Chemical group 0.000 description 7
- 229910052731 fluorine Inorganic materials 0.000 description 7
- 125000001153 fluoro group Chemical group F* 0.000 description 7
- 125000001072 heteroaryl group Chemical group 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 6
- 125000004429 atom Chemical group 0.000 description 6
- 125000000753 cycloalkyl group Chemical group 0.000 description 6
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 125000003277 amino group Chemical group 0.000 description 5
- 125000002541 furyl group Chemical group 0.000 description 5
- 229910000039 hydrogen halide Inorganic materials 0.000 description 5
- 239000012433 hydrogen halide Substances 0.000 description 5
- 125000004430 oxygen atom Chemical group O* 0.000 description 5
- 238000000607 proton-decoupled 31P nuclear magnetic resonance spectroscopy Methods 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 125000004434 sulfur atom Chemical group 0.000 description 5
- 125000001544 thienyl group Chemical group 0.000 description 5
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 4
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 4
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 125000006165 cyclic alkyl group Chemical group 0.000 description 4
- 125000004122 cyclic group Chemical group 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
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 4
- SPWVRYZQLGQKGK-UHFFFAOYSA-N dichloromethane;hexane Chemical compound ClCCl.CCCCCC SPWVRYZQLGQKGK-UHFFFAOYSA-N 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 150000002430 hydrocarbons Chemical group 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 150000002466 imines Chemical class 0.000 description 4
- 229910052740 iodine Inorganic materials 0.000 description 4
- 150000002504 iridium compounds Chemical class 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 125000004076 pyridyl group Chemical group 0.000 description 4
- 125000000714 pyrimidinyl group Chemical group 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 4
- 229910006384 μ-Br Inorganic materials 0.000 description 4
- XHLHPRDBBAGVEG-UHFFFAOYSA-N 1-tetralone Chemical group C1=CC=C2C(=O)CCCC2=C1 XHLHPRDBBAGVEG-UHFFFAOYSA-N 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- MXGXXBYVDMVJAO-UHFFFAOYSA-N [1-[2-bis(3,5-dimethylphenyl)phosphanylnaphthalen-1-yl]naphthalen-2-yl]-bis(3,5-dimethylphenyl)phosphane Chemical group CC1=CC(C)=CC(P(C=2C=C(C)C=C(C)C=2)C=2C(=C3C=CC=CC3=CC=2)C=2C3=CC=CC=C3C=CC=2P(C=2C=C(C)C=C(C)C=2)C=2C=C(C)C=C(C)C=2)=C1 MXGXXBYVDMVJAO-UHFFFAOYSA-N 0.000 description 3
- ARNQRRDEYQLZEO-UHFFFAOYSA-N [Ir].[Ir].C12C=CC(C=C1)C2 Chemical compound [Ir].[Ir].C12C=CC(C=C1)C2 ARNQRRDEYQLZEO-UHFFFAOYSA-N 0.000 description 3
- HHDBHSJOAURMII-UHFFFAOYSA-N [Ir].[Ir].C1CC=CCCC=C1 Chemical compound [Ir].[Ir].C1CC=CCCC=C1 HHDBHSJOAURMII-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- XSCHRSMBECNVNS-UHFFFAOYSA-N benzopyrazine Natural products N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 description 3
- 125000006267 biphenyl group Chemical group 0.000 description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- HOODBSYIVKQTSP-UHFFFAOYSA-N cyclooctene iridium Chemical compound [Ir].[Ir].C1=CCCCCCC1 HOODBSYIVKQTSP-UHFFFAOYSA-N 0.000 description 3
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 3
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 3
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 3
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 3
- 229910000043 hydrogen iodide Inorganic materials 0.000 description 3
- 229940071870 hydroiodic acid Drugs 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- QNXSIUBBGPHDDE-UHFFFAOYSA-N indan-1-one Chemical group C1=CC=C2C(=O)CCC2=C1 QNXSIUBBGPHDDE-UHFFFAOYSA-N 0.000 description 3
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 150000007524 organic acids Chemical group 0.000 description 3
- 150000002918 oxazolines Chemical class 0.000 description 3
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- 239000010948 rhodium Substances 0.000 description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229930192474 thiophene Natural products 0.000 description 3
- 229910006400 μ-Cl Inorganic materials 0.000 description 3
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 description 2
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 2
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 2
- YQTCQNIPQMJNTI-UHFFFAOYSA-N 2,2-dimethylpropan-1-one Chemical group CC(C)(C)[C]=O YQTCQNIPQMJNTI-UHFFFAOYSA-N 0.000 description 2
- IMSODMZESSGVBE-UHFFFAOYSA-N 2-Oxazoline Chemical compound C1CN=CO1 IMSODMZESSGVBE-UHFFFAOYSA-N 0.000 description 2
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 2
- ZPVFWPFBNIEHGJ-UHFFFAOYSA-N 2-octanone Chemical compound CCCCCCC(C)=O ZPVFWPFBNIEHGJ-UHFFFAOYSA-N 0.000 description 2
- 125000001494 2-propynyl group Chemical group [H]C#CC([H])([H])* 0.000 description 2
- WEGYGNROSJDEIW-UHFFFAOYSA-N 3-Acetylpyridine Chemical compound CC(=O)C1=CC=CN=C1 WEGYGNROSJDEIW-UHFFFAOYSA-N 0.000 description 2
- 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 2
- XEJFZEYFXUTFPM-UHFFFAOYSA-N 6-phenyl-2,3,4,5-tetrahydropyridine Chemical compound C1CCCC(C=2C=CC=CC=2)=N1 XEJFZEYFXUTFPM-UHFFFAOYSA-N 0.000 description 2
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 description 2
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229910020366 ClO 4 Inorganic materials 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 239000012327 Ruthenium complex Substances 0.000 description 2
- 229910018286 SbF 6 Inorganic materials 0.000 description 2
- RZZDRSHFIVOQAF-UHFFFAOYSA-N [4-(5-diphenylphosphanyl-1,3-benzodioxol-4-yl)-1,3-benzodioxol-5-yl]-diphenylphosphane Chemical compound C=12OCOC2=CC=C(P(C=2C=CC=CC=2)C=2C=CC=CC=2)C=1C1=C2OCOC2=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RZZDRSHFIVOQAF-UHFFFAOYSA-N 0.000 description 2
- ZNORAFJUESSLTM-UHFFFAOYSA-N [4-[5-bis(3,5-ditert-butyl-4-methoxyphenyl)phosphanyl-1,3-benzodioxol-4-yl]-1,3-benzodioxol-5-yl]-bis(3,5-ditert-butyl-4-methoxyphenyl)phosphane Chemical compound C1=C(C(C)(C)C)C(OC)=C(C(C)(C)C)C=C1P(C=1C(=C2OCOC2=CC=1)C=1C(=CC=C2OCOC2=1)P(C=1C=C(C(OC)=C(C=1)C(C)(C)C)C(C)(C)C)C=1C=C(C(OC)=C(C=1)C(C)(C)C)C(C)(C)C)C1=CC(C(C)(C)C)=C(OC)C(C(C)(C)C)=C1 ZNORAFJUESSLTM-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 125000004442 acylamino group Chemical group 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 125000005530 alkylenedioxy group Chemical group 0.000 description 2
- 125000000304 alkynyl group Chemical group 0.000 description 2
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 2
- 238000011914 asymmetric synthesis Methods 0.000 description 2
- RFRXIWQYSOIBDI-UHFFFAOYSA-N benzarone Chemical compound CCC=1OC2=CC=CC=C2C=1C(=O)C1=CC=C(O)C=C1 RFRXIWQYSOIBDI-UHFFFAOYSA-N 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 125000000480 butynyl group Chemical group [*]C#CC([H])([H])C([H])([H])[H] 0.000 description 2
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 2
- 150000003997 cyclic ketones Chemical class 0.000 description 2
- ZAJNGDIORYACQU-UHFFFAOYSA-N decan-2-one Chemical compound CCCCCCCCC(C)=O ZAJNGDIORYACQU-UHFFFAOYSA-N 0.000 description 2
- GPAYUJZHTULNBE-UHFFFAOYSA-N diphenylphosphine Chemical compound C=1C=CC=CC=1PC1=CC=CC=C1 GPAYUJZHTULNBE-UHFFFAOYSA-N 0.000 description 2
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- UMJJFEIKYGFCAT-UHFFFAOYSA-N indan-2-one Chemical group C1=CC=C2CC(=O)CC2=C1 UMJJFEIKYGFCAT-UHFFFAOYSA-N 0.000 description 2
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 2
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- VKCYHJWLYTUGCC-UHFFFAOYSA-N nonan-2-one Chemical compound CCCCCCCC(C)=O VKCYHJWLYTUGCC-UHFFFAOYSA-N 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
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- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([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])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([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])[H] 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
Classifications
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- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B53/00—Asymmetric syntheses
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
- B01J31/2265—Carbenes or carbynes, i.e.(image)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2442—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising condensed ring systems
- B01J31/2447—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising condensed ring systems and phosphine-P atoms as substituents on a ring of the condensed system or on a further attached ring
- B01J31/2452—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising condensed ring systems and phosphine-P atoms as substituents on a ring of the condensed system or on a further attached ring with more than one complexing phosphine-P atom
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
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- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0033—Iridium compounds
- C07F15/004—Iridium compounds without a metal-carbon linkage
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- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/643—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of R2C=O or R2C=NR (R= C, H)
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/827—Iridium
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- Hydrogenated Pyridines (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
すなわち、本発明は、
[1] 一般式(1)
で表されるイリジウム錯体、
[2] 単座中性配位子又は二座中性配位子が光学活性体である前記[1]に記載のイリジウム錯体、
[3] 単座中性配位子が、ホスフィン化合物、オキサゾリン類又は含窒素複素環式カルベンであることを特徴とする前記[1]に記載のイリジウム錯体、
[4] ホスフィン化合物が、トリアルキルホスフィン、トリアリールホスフィン又はジアルキルアリールホスフィンであることを特徴とする前記[3]に記載のイリジウム錯体、
[5] オキサゾリン類が、下記一般式(2)
[6] 含窒素複素環式カルベンが、下記式
[7] 二座中性配位子が、ビスホスフィン類、ジアミン類、ビスオキサゾリン類又はビスカルベン類であることを特徴とする前記[1]に記載のイリジウム錯体、
[8] ビスホスフィン類が、一般式(3)
[9] ジアミン類が、一般式(4)
[10] ビスオキサゾリン類が、下記一般式(5)
[11] ビスカルベン類が、下記一般式(6)
[12] 前記[1]〜[11]のいずれかに記載のイリジウム錯体を含むことを特徴とする触媒、及び
[13] 不斉水素化反応に使用されることを特徴とする前記[12]に記載の触媒、
に関する。
前記ホスフィン化合物において、トリアルキルホスフィンのアルキル基としては、鎖状、分岐状又は環状のアルキル基、好ましくは炭素数1〜8のアルキル基が挙げられる。各々のアルキル基は同一又は異なっていてもよい。
上記含窒素複素環式カルベンの置換基としてのアルキル基としては、炭素数1〜6のアルキル基が好ましく、これらアルキル基はアルコキシ基又はフェニル基等で置換されていてもよい。また、アルキル基が分岐している場合又は置換基を有する場合は、該アルキル基が光学活性であってもよい。
上記含窒素複素環式カルベンの置換基としてのアリール基としては、例えば置換基を有していてもよいフェニル基又は置換基を有していてもよいナフチル基等が挙げられる。これらアリール基上の置換基としては、例えばアルキル基、アルコキシ基又はジアルキルアミノ基等が挙げられる。アリール基上の置換基において、アルキル基としては、炭素数1〜6のアルキル基が好ましく、アルコキシ基としては炭素数1〜6のアルコキシ基が好ましく、また、ジアルキルアミノ基としては、ジメチルアミノ基又はジエチルアミノ基等が好ましい。
上記R3、R4、R5及びR6で表されるアルキル基としては、直鎖状、分岐状又は環状でもよく、例えば炭素数1〜15、好ましくは炭素数1〜10、より好ましくは炭素数1〜6のアルキル基が挙げられる。
一般式(7)で表される具体的光学活性ビスホスフィン類としては、例えば2,2’−ビス−(ジフェニルホスフィノ)−1,1’−ビナフチル(以下、BINAPという)、2,2’−ビス−(ジ−p−トリルホスフィノ)−1,1’−ビナフチル(以下、Tol−BINAPという)、2,2’−ビス−(ジ−m−トリルホスフィノ)−1,1’−ビナフチル、2,2’−ビス(ジ−3,5−キシリルホスフィノ)−1,1’−ビナフチル(以下、DM−BINAPという)、2,2’−ビス(ジ−p−ターシャリーブチルフェニルホスフィノ)−1,1’−ビナフチル、2,2’−ビス(ジ−p−メトキシフェニルホスフィノ)−1,1’−ビナフチル、2,2’−ビス(ジ−p−クロロフェニルホスフィノ)−1,1’−ビナフチル、2,2’−ビス(ジシクロペンチルホスフィノ)−1,1’−ビナフチル(Cp−BINAP)又は2,2’−ビス(ジシクロヘキシルホスフィノ)−1,1’−ビナフチル(Cy−BINAP)等が挙げられる。
一般式(8)で表される具体的光学活性ビスホスフィン類としては、例えば2,2’−ビス(ジフェニルホスフィノ)−5,5’,6,6’,7,7’,8,8’−オクタヒドロ−1,1’−ビナフチル(以下、H8−BINAPという)、2,2’−ビス(ジ−p−トリルホスフィノ)−5,5’,6,6’,7,7’,8,8’−オクタヒドロ−1,1’−ビナフチル、2,2’−ビス(ジ−m−トリルホスフィノ)−5,5’,6,6’,7,7’,8,8’−オクタヒドロ−1,1’−ビナフチル、2,2’−ビス(ジ−3,5−キシリルホスフィノ)−5,5’,6,6’,7,7’,8,8’−オクタヒドロ−1,1’−ビナフチル、2,2’−ビス(ジ−p−ターシャリーブチルフェニルホスフィノ)−5,5’,6,6’,7,7’,8,8’−オクタヒドロ−1,1’−ビナフチル、2,2’−ビス(ジ−p−メトキシフェニルホスフィノ)−5,5’,6,6’,7,7’,8,8’−オクタヒドロ−1,1’−ビナフチル、2,2’−ビス(ジ−p−クロロフェニルホスフィノ)−5,5’,6,6’,7,7’,8,8’−オクタヒドロ−1,1’−ビナフチル、2,2’−ビス(ジシクロペンチルホスフィノ)−5,5’,6,6’,7,7’,8,8’−オクタヒドロ−1,1’−ビナフチル又は2,2’−ビス(ジシクロヘキシルホスフィノ)−5,5’,6,6’,7,7’,8,8’−オクタヒドロ−1,1’−ビナフチル等がある。
R9、R10、R11及びR12で表されるアルキル基としては、直鎖状、分岐状又は環状の炭素数1〜8のアルキル基が好ましく、単環あるいは多環の芳香族炭化水素基としては、例えばフェニル基、トリル基(o−,m−,p−)、キシリル基又はナフチル基等のアリール基が好ましく、又は不飽和炭化水素基としては、例えばビニル基、プロパルギル基、プロペニル基又はブチニル基等の炭素数2〜6のアルケニル基又はアルキニル基等が挙げられる。R9とR11又はR10とR12が結合して形成する環としては、シクロプロパン、シクロブタン、シクロペンタン、シクロヘキサン、シクロヘプタン、シクロオクタン等の炭素数3〜8の環が挙げられる。
カルベン1及びカルベン2で表される含窒素複素環式カルベンとしては、少なくとも1つの窒素原子を含む複素環からなるカルベン又はN−ヘテロサイクリックカルベン等を意味する。含窒素複素環式カルベンとしては、例えば、下記の式:
X4で表わされるカウンターアニオンは、一価のアニオン性配位子を含み、例えば、F−、Br−、Cl−、I−、I3 −、CF3SO3 −、p−CH3C6H4SO3 −、ClO4 −、NO3 −、BF4 −、B(C6H5)4 −、B[3,5−(CF3)2C6H3]3 −、PF6 −、SbF6 −又はAsF6 −等が挙げられる。
上記イリジウム化合物としては、例えばジ−μ−クロロテトラキス(シクロオクテン)二イリジウム([IrCl(coe)2]2)、ジ−μ−ブロモテトラキス(シクロオクテン)二イリジウム([IrBr(coe)2]2)、ジ−μ−ヨードテトラキス(シクロオクテン)二イリジウム([IrI(coe)2]2)、ジ−μ−クロロビス(1,5−シクロオクタジエン)二イリジウム([IrCl(cod)]2)、ジ−μ−ブロモビス(1,5−シクロオクタジエン)二イリジウム ([IrBr(cod)]2)、ジ−μ−ヨードビス(1,5−シクロオクタジエン)二イリジウム([IrI(cod)]2)、ジ−μ−クロロビス(ビシクロ[2,2,1]ヘプタ−2,5−ジエン)二イリジウム([IrCl(nbd)]2)、ジ−μ−ブロモビス(ビシクロ[2,2,1]ヘプタ−2,5−ジエン)二イリジウム ([IrBr(nbd)]2)又はジ−μ−ヨードビス(ビシクロ[2,2,1]ヘプタ−2,5−ジエン)二イリジウム([IrI(nbd)]2)等が挙げられる。
又は下記一般式(10)
で表されるイリジウム錯体とハロゲン化水素又はハロゲン化水素酸と反応させることにより調製できる。
カルボン酸残基であるR47CO2におけるR47としては、水素原子、置換基を有してもよい炭素数1〜3のアルキル基、置換基を有してもよいフェニル基又はナフチル基が挙げられ、置換基を有してもよい炭素数1〜3のアルキル基の置換基としては炭素数1〜4のアルキル基及びハロゲン原子が挙げられる。具体的な置換基を有してもよい炭素数1〜3のアルキル基としてはメチル基、エチル基、プロピル基、ピバロイル基、トリフルオロメチル基が挙げられる。また、置換基を有してもよいフェニル基あるいはナフチル基において、その置換基としては、メチル基、エチル基、n−プロピル基、メトキシ基、エトキシ基、プロポキシ基、ハロゲン原子などが挙げられる。
スルホン酸残基であるR48SO3におけるR48としては、置換基を有してもよい炭素数1〜12のアルキル基、置換基を有してもよいフェニル基又はナフチル基が挙げられる。
リン酸残基である(R49)2PO2におけるR49としては、置換基を有してもよい炭素数1〜6のアルキル基、置換基を有してもよい炭素数1〜6のアルコキシ基、置換基を有してもよいフェノキシ基、置換基を有してもよいフェニル基又はナフチル基を示し、更には二つのR49が結合して環を形成していてもよいものが挙げられる。置換基を有してもよいフェニル基又はナフチル基としては、(ビフェニル−2,2’−ジイル)ジオキシ基、(1,1’−ビナフチル−2,2’−ジイル)ジオキシ基などが挙げられ、置換基を有してもよいフェニル基又はナフチル基の置換基としては、メチル基、エチル基、プロピル基、メトキシ基、エトキシ基、プロポキシ基、ハロゲン原子などが挙げられる。
で表されるオレフィン化合物等の反応が挙げられる。
で表されるケトン化合物の反応が挙げられ、炭素−窒素二重結合を有する化合物の不斉水素化反応としては、式(14)
で表されるイミン化合物の反応が挙げられる。
核磁気共鳴スペクトル(NMR); MERCURY300−C/H (VARIAN)
融点(mp); MP−500D (Yanako)
赤外吸収スペクトル(IR); FT/IR−230 (JASCO Corp.)
ガスクロマトグラフィー(GLC); GC−14A (Shimadzu Corp.)
アルゴン雰囲気下、20 mLシュレンク管に、[IrI(cod)]2 33.5 mg (0.0392 mmol)及びトルエン5 mLを加え撹拌した。これに(S)−BINAP 53.7 mg (0.0862 mmol) を加え、室温で3時間撹拌した後、反応液に55%ヨウ化水素酸28.5 μL(0.196 mmol,5.0当量)を加え、室温で一晩撹拌した。溶媒を減圧留去し、ジクロロメタン−ヘキサンから再結晶し、表題化合物(66.0 mg, 薄黄色固体)を得た。なお、[IrCl(coe)2]2や[IrCl(cod)]2を原料として用いても同様に目的物が得られる。
1H NMR (CDCl3, 35℃):δ; 6.6−8.4 (Aryl H of BINAP), −15.8 (br, hydride), −19.0 (br, hydride)
1H NMR (CDCl3, −10℃):δ; 6.6−8.4 (Aryl H of BINAP), −15.6 (t like, hydride), −19.0 (dd, hydride, J = 7 Hz, 11Hz),
31P{1H} NMR (CDCl3, −10℃):δ; −4.6 (m), −12.8 (m)
IR (KBr): 2228 cm−1 (br, Ir−H伸縮)
ESI MS; m/z 2013(M−I−)
FAB MS; m/z 2013(M−I−)
Anal.Calcd for C88H66I4Ir2P4: C 49.40, H 3.11; Found: C 48.94, H 2.90
mp; 110℃(dec)
Λ0(電気伝導度)= 180.2 Scm2/mol
アルゴン雰囲気下、20 mLシュレンク管に、[IrBr(cod)]2 51.5 mg (0.0677 mmol)及びトルエン5 mLを加え撹拌した。これに(S)−BINAP 88.5 mg (0.1421 mmol) を加え、室温で3時間撹拌した後、反応液に47%臭化水素酸39.4 μL(0.3385 mmol,5.0当量)を加え、室温で一晩撹拌した。溶媒を減圧留去し、ジクロロメタン−ヘキサンから再結晶し、表題化合物(125.0 mg, 薄黄色固体)を得た。なお、[IrCl(coe)2]2を原料として用いても同様に目的物が得られる。
1H NMR (CDCl3, 35℃):δ; 6.2−8.2 (Aryl H of BINAP), −21.52 (dd, J = 14 Hz, 16 Hz, hydride),
31P{1H} NMR (CDCl3, 35℃):δ −0.9 (d, 19 Hz), −9.2 (d)
IR (KBr): 2268 cm−1 (brs, Ir−H伸縮)
ESI MS; m/z 1872(M−Br−)
FAB MS; m/z 1872(M−Br−)
Anal.Calcd for C88H66Br4Ir2P4: C 54.16, H, 3.41; Found: C 53.63, H 3.39
mp; 141℃(dec)
Λ0 = 139.78 Scm2/mol
アルゴン雰囲気下、20 mLシュレンク管に、[IrCl(cod)]2 168.7 mg (0.2512 mmol)及びトルエン5 mLを投入し撹拌した。これに(S)−BINAP 326.3 mg (0.5240 mmol) を加え、室温で3時間撹拌した後、反応液に47%臭化水素酸143 μL(1.256 mmol,5.0当量)を加え、室温で一晩撹拌した。溶媒を減圧留去し、ジクロロメタン−ヘキサンから再結晶し、表題化合物(443.6 mg, 薄黄色固体)を得た。得られた錯体のNMR分析及びEDAXによる塩素原子未検出から、塩素原子を含まない標題の錯体であることが支持された。
アルゴン雰囲気下、20 mLシュレンク管に、[IrCl(cod)]2 120.0 mg (0.1790 mmol)及びトルエン5 mLを投入し撹拌した。これに(S)−BINAP 239.0 mg (0.3842 mmol) を加え、室温で3時間撹拌した後、反応液に35%塩酸 79.0μL(0.90 mmol, 5.1当量)を加え、室温で一晩撹拌した。溶媒を減圧留去し、ジクロロメタン−ヘキサンから再結晶し、表題化合物(290.7 mg, 薄黄色固体)を得た。
1H NMR (CDCl3, 35℃):δ; 6.3−8.1 (Aryl H of BINAP), −22.70 (dd, J = 6 Hz, 15 Hz, hydride),
31P{1H} NMR (CDCl3, 35℃):δ −0.4 (d), −7.9 (d)
IR (KBr): 2269 cm−1 (brs, Ir−H伸縮)
FAB MS; m/z 1738(M−Cl−)
Anal.Calcd for C88H66Cl4Ir2P4: C 58.46, H 3.62; Found: C 58.51, H 3.73
mp; 162℃(dec)
Λ0 = 301.60 Scm2/mol
アルゴン雰囲気下、20 mLシュレンク管に、[{IrH((S)−BINAP)}2(μ−I)3]I 62.9 mg (0.0294 mmol)及びTHF 5 mLを投入し撹拌した。これにNaPF6 112.0 mg (0.667 mmol) を加え、室温で一晩撹拌した。溶媒を減圧留去し、表題化合物(60.7 mg, 収率96.5%)を得た。
1H NMR (CDCl3):δ; 6.6−8.4 (Aryl H of BINAP), −19.0 (dd, hydride, J = 7 Hz,11 Hz),
31P{1H} NMR (CDCl3):δ; −4.6 (dd like), −12.8 (dd like), −144.5 (sept, JPF = 706 Hz)
19F NMR (CDCl3):δ; 77.0 (d, JPF = 706 Hz)
IR (KBr): 2233 cm−1 (br, Ir−H伸縮)
アルゴン雰囲気下、20 mLシュレンク管に、[{IrH((S)−BINAP)}2(μ−Br)3]Br 64.8 mg (0.0332 mmol)及びTHF5 mLを投入し撹拌した。これにNaPF6 112.0 mg (0.667 mmol) を加え、室温で一晩撹拌した。溶媒を減圧留去し、表題化合物(64.5 mg, 収率96.4%)を得た。
1H NMR (CDCl3):δ; 6.2−8.2 (Aryl H of BINAP), −21.52 (dd, J = 14 Hz, 16 Hz, hydride),
31P{1H} NMR (CDCl3):δ; −0.9 (d), −9.2 (d), −144.5 (sept, JPF = 706 Hz)
19F NMR (CDCl3):δ; 77.0(d, JPF = 706 Hz)
IR (KBr): 2233 cm−1 (brs, Ir−H伸縮)
アルゴン雰囲気下、20 mLシュレンク管に、[{IrH((S)−BINAP)}2(μ−Cl)3]Cl 55.0 mg (0.0310 mmol)及びTHF5 mLを投入し撹拌した。これにNaPF6 104.9 mg (0.625 mmol) を加え、室温で一晩撹拌した。溶媒を減圧留去し、表題化合物(51.7 mg, 収率88.7%)を得た。
アルゴン雰囲気下、20 mLシュレンク管に、[{IrHI((S)−BINAP)(CH3CO2)]及びトルエンを投入し、これに55%ヨウ化水素酸(Ir錯体に対して10当量)を加え、室温で一晩撹拌した。(Cl 55.0 mg (0.0310 mmol)及びTHF5 mLを加え撹拌した。溶媒を減圧留去し、表題化合物を収率90.9%で得た。
6−フェニル−2,3,4,5−テトラヒドロピリジンの不斉水素化反応
100mLのオートクレーブに、[{IrH((S)−BINAP)}2(μ−X)3]X(Xは表中のハロゲン原子を表わす)、6−フェニル−2,3,4,5−テトラヒドロピリジン(以下、PhTHPと略す)及びトルエンを投入し(PhTHP濃度が0.5mol/Lになるように)、20℃、3時間、水素圧6 MPaで不斉水素化反応を行った。得られた結果を表1に示す。
<反応転化率の分析>
GLCにてキャピラリーカラムDB−1(J&W Scientific社製)を用いて測定した。
<光学純度の測定>
得られたアミンをトリフルオロアセトアミド化した後、GLCにてキャピラリーカラムChirasil−DEX CB(Chrompack社製)を用いて測定した。
Claims (7)
- 二座中性配位子が光学活性体である請求の範囲第1項に記載のイリジウム錯体。
- ビスオキサゾリンが、下記一般式(5)
- 請求の範囲第1項〜第6項のいずれかに記載のイリジウム錯体を含み、不斉水素化反応に使用されることを特徴とする触媒。
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