WO2011048727A1 - 3座配位子を有する新規ルテニウムカルボニル錯体、並びにその製造法及び用途 - Google Patents
3座配位子を有する新規ルテニウムカルボニル錯体、並びにその製造法及び用途 Download PDFInfo
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- WO2011048727A1 WO2011048727A1 PCT/JP2010/004301 JP2010004301W WO2011048727A1 WO 2011048727 A1 WO2011048727 A1 WO 2011048727A1 JP 2010004301 W JP2010004301 W JP 2010004301W WO 2011048727 A1 WO2011048727 A1 WO 2011048727A1
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- general formula
- groups
- represented
- carbonyl complex
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- 239000003446 ligand Substances 0.000 title claims abstract description 80
- NQZFAUXPNWSLBI-UHFFFAOYSA-N carbon monoxide;ruthenium Chemical group [Ru].[Ru].[Ru].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-] NQZFAUXPNWSLBI-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 28
- 150000002148 esters Chemical class 0.000 claims abstract description 27
- 150000002596 lactones Chemical class 0.000 claims abstract description 24
- 150000002576 ketones Chemical class 0.000 claims abstract description 21
- 125000000129 anionic group Chemical group 0.000 claims abstract description 14
- 125000003118 aryl group Chemical group 0.000 claims description 69
- 125000001424 substituent group Chemical group 0.000 claims description 56
- 125000000217 alkyl group Chemical group 0.000 claims description 54
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 52
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 50
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 41
- 125000000623 heterocyclic group Chemical group 0.000 claims description 40
- 230000003287 optical effect Effects 0.000 claims description 37
- 125000003277 amino group Chemical group 0.000 claims description 24
- 125000002102 aryl alkyloxo group Chemical group 0.000 claims description 18
- 125000004104 aryloxy group Chemical group 0.000 claims description 18
- 125000000000 cycloalkoxy group Chemical group 0.000 claims description 18
- 125000003545 alkoxy group Chemical group 0.000 claims description 17
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 17
- 239000000852 hydrogen donor Substances 0.000 claims description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 11
- 125000002947 alkylene group Chemical group 0.000 claims description 10
- 125000006615 aromatic heterocyclic group Chemical group 0.000 claims description 10
- 125000002993 cycloalkylene group Chemical group 0.000 claims description 9
- 150000004678 hydrides Chemical class 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- ZVENKBGRIGHMRG-UHFFFAOYSA-M carbon monoxide chloro(hydrido)ruthenium triphenylphosphane Chemical compound [C-]#[O+].[H][Ru]Cl.c1ccc(cc1)P(c1ccccc1)c1ccccc1.c1ccc(cc1)P(c1ccccc1)c1ccccc1.c1ccc(cc1)P(c1ccccc1)c1ccccc1 ZVENKBGRIGHMRG-UHFFFAOYSA-M 0.000 claims description 5
- 125000004437 phosphorous atom Chemical group 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 29
- 239000001257 hydrogen Substances 0.000 abstract description 29
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 28
- 150000001298 alcohols Chemical class 0.000 abstract description 15
- 230000003197 catalytic effect Effects 0.000 abstract description 7
- XYFCBTPGUUZFHI-UHFFFAOYSA-N phosphine group Chemical group P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 107
- -1 phosphino groups Chemical group 0.000 description 72
- 238000005984 hydrogenation reaction Methods 0.000 description 52
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 42
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 42
- 125000004432 carbon atom Chemical group C* 0.000 description 39
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 39
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 34
- 238000004817 gas chromatography Methods 0.000 description 33
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 27
- 239000000243 solution Substances 0.000 description 27
- 238000003756 stirring Methods 0.000 description 27
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 26
- 238000006722 reduction reaction Methods 0.000 description 24
- LPEKGGXMPWTOCB-GSVOUGTGSA-N methyl (R)-lactate Chemical compound COC(=O)[C@@H](C)O LPEKGGXMPWTOCB-GSVOUGTGSA-N 0.000 description 22
- 125000003342 alkenyl group Chemical group 0.000 description 19
- 125000000304 alkynyl group Chemical group 0.000 description 19
- 229910052757 nitrogen Inorganic materials 0.000 description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 125000000392 cycloalkenyl group Chemical group 0.000 description 18
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 17
- 238000004458 analytical method Methods 0.000 description 15
- 239000000460 chlorine Substances 0.000 description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 15
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 14
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- 150000001412 amines Chemical class 0.000 description 11
- 239000013078 crystal Substances 0.000 description 11
- 125000000468 ketone group Chemical group 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 11
- 239000003054 catalyst Substances 0.000 description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 10
- 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 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 9
- 239000012327 Ruthenium complex Substances 0.000 description 9
- 208000012839 conversion disease Diseases 0.000 description 9
- 125000005843 halogen group Chemical group 0.000 description 9
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 8
- 239000002585 base Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 238000005481 NMR spectroscopy Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 125000002950 monocyclic group Chemical group 0.000 description 7
- 239000012044 organic layer Substances 0.000 description 7
- 125000003367 polycyclic group Chemical group 0.000 description 7
- 125000006239 protecting group Chemical group 0.000 description 7
- 238000010992 reflux Methods 0.000 description 7
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 5
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 5
- 125000001931 aliphatic group Chemical group 0.000 description 5
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 5
- 125000005098 aryl alkoxy carbonyl group Chemical group 0.000 description 5
- 238000009876 asymmetric hydrogenation reaction Methods 0.000 description 5
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 5
- 125000005170 cycloalkyloxycarbonyl group Chemical group 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 125000005842 heteroatom Chemical group 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- WAPNOHKVXSQRPX-UHFFFAOYSA-N 1-phenylethanol Chemical compound CC(O)C1=CC=CC=C1 WAPNOHKVXSQRPX-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- 125000004423 acyloxy group Chemical group 0.000 description 4
- XPNGNIFUDRPBFJ-UHFFFAOYSA-N alpha-methylbenzylalcohol Natural products CC1=CC=CC=C1CO XPNGNIFUDRPBFJ-UHFFFAOYSA-N 0.000 description 4
- 125000005161 aryl oxy carbonyl group Chemical group 0.000 description 4
- 125000000732 arylene group Chemical group 0.000 description 4
- 239000003480 eluent Substances 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 229910052987 metal hydride Inorganic materials 0.000 description 4
- 150000004681 metal hydrides Chemical class 0.000 description 4
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 4
- HFPZCAJZSCWRBC-UHFFFAOYSA-N p-cymene Chemical compound CC(C)C1=CC=C(C)C=C1 HFPZCAJZSCWRBC-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 150000003304 ruthenium compounds Chemical class 0.000 description 4
- 150000005846 sugar alcohols Polymers 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000013543 active substance Substances 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 125000005092 alkenyloxycarbonyl group Chemical group 0.000 description 3
- 125000005133 alkynyloxy group Chemical group 0.000 description 3
- 125000005225 alkynyloxycarbonyl group Chemical group 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 3
- 239000012295 chemical reaction liquid Substances 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- YUWFEBAXEOLKSG-UHFFFAOYSA-N hexamethylbenzene Chemical compound CC1=C(C)C(C)=C(C)C(C)=C1C YUWFEBAXEOLKSG-UHFFFAOYSA-N 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 description 3
- VYMDGNCVAMGZFE-UHFFFAOYSA-N phenylbutazonum Chemical compound O=C1C(CCCC)C(=O)N(C=2C=CC=CC=2)N1C1=CC=CC=C1 VYMDGNCVAMGZFE-UHFFFAOYSA-N 0.000 description 3
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 3
- 235000013772 propylene glycol Nutrition 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- 238000012916 structural analysis Methods 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- 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 2
- ICPWFHKNYYRBSZ-UHFFFAOYSA-M 2-methoxypropanoate Chemical compound COC(C)C([O-])=O ICPWFHKNYYRBSZ-UHFFFAOYSA-M 0.000 description 2
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 2
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- LPEKGGXMPWTOCB-UHFFFAOYSA-N 8beta-(2,3-epoxy-2-methylbutyryloxy)-14-acetoxytithifolin Natural products COC(=O)C(C)O LPEKGGXMPWTOCB-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
- 0 C(CP(c1ccccc1)c1ccccc1)N(CC1)*P1(c1ccccc1)c1ccccc1 Chemical compound C(CP(c1ccccc1)c1ccccc1)N(CC1)*P1(c1ccccc1)c1ccccc1 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- FEXQDZTYJVXMOS-UHFFFAOYSA-N Isopropyl benzoate Chemical compound CC(C)OC(=O)C1=CC=CC=C1 FEXQDZTYJVXMOS-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 2
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 2
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 101100030361 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pph-3 gene Proteins 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 125000003302 alkenyloxy group Chemical group 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 150000007514 bases Chemical class 0.000 description 2
- 235000019445 benzyl alcohol Nutrition 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 125000004663 dialkyl amino group Chemical group 0.000 description 2
- 125000003963 dichloro group Chemical group Cl* 0.000 description 2
- DHCWLIOIJZJFJE-UHFFFAOYSA-L dichlororuthenium Chemical compound Cl[Ru]Cl DHCWLIOIJZJFJE-UHFFFAOYSA-L 0.000 description 2
- VURFVHCLMJOLKN-UHFFFAOYSA-N diphosphane Chemical compound PP VURFVHCLMJOLKN-UHFFFAOYSA-N 0.000 description 2
- ODQWQRRAPPTVAG-GZTJUZNOSA-N doxepin Chemical compound C1OC2=CC=CC=C2C(=C/CCN(C)C)/C2=CC=CC=C21 ODQWQRRAPPTVAG-GZTJUZNOSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 125000001072 heteroaryl group Chemical group 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000004811 liquid chromatography Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229940095102 methyl benzoate Drugs 0.000 description 2
- 229940057867 methyl lactate Drugs 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 2
- 238000010647 peptide synthesis reaction Methods 0.000 description 2
- GTBPUYSGSDIIMM-UHFFFAOYSA-N phosphane;ruthenium Chemical compound P.[Ru] GTBPUYSGSDIIMM-UHFFFAOYSA-N 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229960003975 potassium Drugs 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 150000003333 secondary alcohols Chemical class 0.000 description 2
- 238000010898 silica gel chromatography Methods 0.000 description 2
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- YWWDBCBWQNCYNR-UHFFFAOYSA-N trimethylphosphine Chemical compound CP(C)C YWWDBCBWQNCYNR-UHFFFAOYSA-N 0.000 description 2
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 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 2
- 239000008096 xylene Substances 0.000 description 2
- BWCRDMRLKBPUTD-VIFPVBQESA-N (2s)-2-phenylmethoxypropan-1-ol Chemical compound OC[C@H](C)OCC1=CC=CC=C1 BWCRDMRLKBPUTD-VIFPVBQESA-N 0.000 description 1
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- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 150000003303 ruthenium Chemical class 0.000 description 1
- YAYGSLOSTXKUBW-UHFFFAOYSA-N ruthenium(2+) Chemical compound [Ru+2] YAYGSLOSTXKUBW-UHFFFAOYSA-N 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- WBQTXTBONIWRGK-UHFFFAOYSA-N sodium;propan-2-olate Chemical compound [Na+].CC(C)[O-] WBQTXTBONIWRGK-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000006633 tert-butoxycarbonylamino group Chemical group 0.000 description 1
- PDAFIZPRSXHMCO-UHFFFAOYSA-N tert-butyl n-(1-hydroxypropan-2-yl)carbamate Chemical compound OCC(C)NC(=O)OC(C)(C)C PDAFIZPRSXHMCO-UHFFFAOYSA-N 0.000 description 1
- JSZOAOLSEKSNTD-UHFFFAOYSA-N tert-butyl n-(4-hydroxybutan-2-yl)carbamate Chemical compound OCCC(C)NC(=O)OC(C)(C)C JSZOAOLSEKSNTD-UHFFFAOYSA-N 0.000 description 1
- JSZOAOLSEKSNTD-SSDOTTSWSA-N tert-butyl n-[(2r)-4-hydroxybutan-2-yl]carbamate Chemical compound OCC[C@@H](C)NC(=O)OC(C)(C)C JSZOAOLSEKSNTD-SSDOTTSWSA-N 0.000 description 1
- PDAFIZPRSXHMCO-LURJTMIESA-N tert-butyl n-[(2s)-1-hydroxypropan-2-yl]carbamate Chemical compound OC[C@H](C)NC(=O)OC(C)(C)C PDAFIZPRSXHMCO-LURJTMIESA-N 0.000 description 1
- 125000001981 tert-butyldimethylsilyl group Chemical group [H]C([H])([H])[Si]([H])(C([H])([H])[H])[*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000037 tert-butyldiphenylsilyl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1[Si]([H])([*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- 125000003507 tetrahydrothiofenyl group Chemical group 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/08—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions not involving the formation of amino groups, hydroxy groups or etherified or esterified hydroxy groups
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- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/143—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of ketones
- C07C29/145—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of ketones with hydrogen or hydrogen-containing gases
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- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
- C07C29/149—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof with hydrogen or hydrogen-containing gases
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- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
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- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
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Definitions
- the present invention relates to a novel ruthenium carbonyl complex having a tridentate ligand having two phosphino groups and a —NH— group, a process for producing the same, and hydrogenation of ketones and esters or lactones using the complex as a catalyst.
- the present invention relates to a method for producing alcohols by reduction.
- the method of obtaining alcohols by reducing ketones, esters and lactones is important in chemical synthesis.
- Reduction by catalytic hydrogenation is useful as a method for producing alcohols in terms of reduction of by-products, good operability and work safety.
- optically active alcohols are important as physiologically active substances such as pharmaceuticals, agricultural chemicals, and fragrances, and synthetic intermediates thereof.
- Asymmetric hydrogenation of ketones and hydroreduction of optically active esters produce optically active alcohols.
- One such reduction catalyst is a ruthenium complex having a polydentate ligand.
- Patent Document 1 discloses a dichloro complex as a ruthenium complex having two phosphino groups and —NH— group as a tridentate ligand.
- Non-Patent Document 1 reports dichloro complexes and hydride complexes having trimethylphosphine as a ligand. However, these complexes do not have a carbonyl ligand. Further, ruthenium complexes having two phosphino groups and a tridentate ligand having a pyridine ring and a carbonyl ligand have been reported in Non-Patent Documents 2, 3 and 4. -It has no group.
- Patent Document 1 The ruthenium dichloro complex described in Patent Document 1 has been reported to hydrogenate and reduce ketones in the presence of a base to obtain alcohol, but no reduction of esters or lactones has been reported.
- the ruthenium phosphine complex described in Non-Patent Document 1 has been reported as an ammonia-borane dehydrogenation catalyst, but hydrogenation reduction of ketones, esters and lactones has not been reported. Further, the ruthenium phosphine complex is reported to be unstable, has a difficulty in handling, and is difficult to use industrially.
- the ruthenium complex having a pyridine ring described in Non-Patent Document 2 and Non-Patent Document 3 has been reported to catalyze an ester synthesis reaction by hydrogenation reduction of an ester or dehydrogenation of an alcohol.
- the ruthenium complex having a pyridine ring described in Non-Patent Document 2 has low catalytic activity in the hydrogenation reduction of esters, and development of a catalyst having higher catalytic activity has been desired.
- the object of the present invention is to provide a ruthenium complex that is easy to prepare and handle and can be procured at a relatively low cost, and a method for producing the same, as well as a corresponding alcohol obtained by hydrogenating ketones, esters and lactones using them as catalysts. It is to provide a technique for manufacturing a kind.
- the ruthenium complex found in the present invention has been found to have high catalytic ability in the hydrogenation reduction of ketones, esters and lactones, and the present invention has been completed.
- R 1 , R 2 , R 3 , and R 4 may be the same or different from each other, and are a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, an alkyl group.
- R 1 and R 2 or R 3 and R 4 are bonded to each other and ring together with the adjacent phosphorus atom
- These alkyl groups, cycloalkyl groups, aryl groups, aralkyl groups, alkyloxy groups, cycloalkyloxy groups, aryloxy groups, aralkyloxy groups, heterocyclic groups, and substituted amino groups are Q 1 and Q 2 may be the same or different, and may be a divalent alkylene group or substituent which may have a substituent.
- the tridentate aminodiphosphine ligand L is represented by the following general formula (3)
- R 5 , R 6 , R 7 , and R 8 may be the same or different, and each may be a hydrogen atom, an alkyl group that may have a substituent, or a substituent.
- the tridentate aminodiphosphine ligand L is represented by the following general formula (4)
- Ar 1 , Ar 2 , Ar 3 , and Ar 4 may be the same or different and each represents an aryl group or an aromatic heterocyclic group.
- the aryl group and aromatic heterocyclic group may have a substituent.
- the tridentate aminodiphosphine ligand L is represented by the following general formula (5)
- Ph represents a phenyl group.
- the ruthenium carbonyl complex of the above-mentioned [4] represented by [6] The ruthenium carbonyl complex according to any one of [1] or [2], wherein the tridentate aminodiphosphine ligand L is an optically active tridentate aminodiphosphine ligand.
- the tridentate aminodiphosphine ligand L represented by the general formula (2) is the tridentate aminodiphosphine ligand L represented by the general formula (5).
- the novel ruthenium carbonyl complex of the present invention can be easily prepared from a tridentate aminodiphosphine ligand and a precursor ruthenium carbonyl complex, and the tridentate aminodiphosphine ligand is a bisalkyl having a leaving group. It can be easily prepared by reacting an amine and a phosphine compound in the presence of a base. Furthermore, a ruthenium carbonyl complex as a precursor can be easily prepared from an easily available inorganic ruthenium compound. Thus, the ruthenium carbonyl complex of the present invention is not only easy to prepare, but also highly stable and easy to handle, and is suitable for industrial use.
- the ruthenium carbonyl complex of the present invention has a high catalytic activity even under relatively mild reaction conditions. For example, in the presence of a hydrogen donor, it catalyzes the hydrogenation reduction of ketones, esters and lactones to produce alcohols in a high yield. It is possible to manufacture with. If an optically active ligand is used, an optically active alcohol can be synthesized by asymmetric hydrogenation reduction of ketones. Further, even when the ester or lactone to be hydroreduced is an optically active substance, it can be reduced to an optically active alcohol without significant reduction in optical purity.
- FIG. 1 is a diagram schematically showing the chemical structure of the complex 18 based on the result of X-ray structural analysis of the ruthenium carbonyl complex 18 of the present invention.
- RuXY (CO) (L) (1) (In general formula (1), X and Y may be the same or different and each represents an anionic ligand, and L represents a tridentate aminodiphosphine ligand represented by the following general formula (2). To express.)
- R 1 , R 2 , R 3 , and R 4 may be the same or different, and are a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, an alkyloxy group.
- alkyl groups, cycloalkyl groups, aryl groups, aralkyl groups, alkyloxy groups, cycloalkyloxy groups, aryloxy groups, aralkyloxy groups, and heterocyclic groups may have a substituent.
- Q 1 and Q 2 may be the same or different, and may be a divalent alkylene group which may have a substituent, or a divalent cycloal which may have a substituent. Represents a xylene group or a divalent aralkylene group which may have a substituent.
- the tridentate aminodiphosphine ligand used in the present invention will be described.
- Examples of the tridentate aminodiphosphine ligand represented by L in the general formula (1) include those having two phosphino groups and —NH— group.
- Specific examples of the tridentate aminodiphosphine ligand include those represented by the general formula (2).
- alkyl group examples include linear or branched alkyl groups having 1 to 50 carbon atoms, preferably 1 to 20 carbon atoms, and more preferably 1 to 10 carbon atoms. Examples thereof include a methyl group, an ethyl group, and n-propyl. Group, isopropyl group, n-butyl group, isobutyl group, s-butyl group, tert-butyl group, n-pentyl group, n-hexyl group, n-octyl group and the like.
- Examples of the cycloalkyl group include monocyclic, polycyclic or condensed cyclic cycloalkyl groups having 3 to 30 carbon atoms, preferably 3 to 20 carbon atoms, and more preferably 3 to 10 carbon atoms. , Cyclopropyl group, cyclopentyl group, cyclohexyl group and the like.
- Examples of the aryl group include monocyclic, polycyclic, and condensed cyclic aryl groups having 6 to 36 carbon atoms, preferably 6 to 18 carbon atoms, and more preferably 6 to 14 carbon atoms.
- Examples include a phenyl group, a naphthyl group, an anthryl group, a phenanthryl group, and a biphenyl group.
- examples of the aralkyl group include groups in which at least one hydrogen atom of the above-described alkyl group is substituted with the above-described aryl group.
- an aralkyl group having 7 to 15 carbon atoms is preferable.
- alkyloxy group examples include an alkyloxy group composed of a linear or branched alkyl group having 1 to 20 carbon atoms, preferably 1 to 15 carbon atoms, more preferably 1 to 10 carbon atoms.
- alkyloxy group examples include methoxy group, ethoxy group, n-propoxy group, isopropoxy group, n-butoxy group, isobutoxy group, s-butoxy group, tert-butoxy group, n-pentyloxy group and the like.
- the cycloalkyloxy group includes a cycloalkyloxy group composed of a polycyclic or condensed cyclic cycloalkyl group having 3 to 20 carbon atoms, preferably 3 to 15 carbon atoms, more preferably 3 to 10 carbon atoms.
- a cyclopropyloxy group, a cyclopentyloxy group, a cyclohexyloxy group, etc. are mentioned.
- the aryloxy group is an aryloxy group comprising a monocyclic, polycyclic or condensed cyclic aryl group having 6 to 36 carbon atoms, preferably 6 to 18 carbon atoms, more preferably 6 to 14 carbon atoms.
- phenoxy group, triloxy group, xylyloxy group, naphthoxy group and the like can be mentioned.
- examples of the aralkyloxy group include groups in which at least one hydrogen atom of the alkyloxy group or cycloalkyl group is substituted with the aryl group.
- an aralkyloxy group having 7 to 15 carbon atoms is preferable.
- heterocyclic group examples include an aliphatic heterocyclic group and an aromatic heterocyclic group.
- the aliphatic heterocyclic group has, for example, 2 to 14 carbon atoms and includes at least one hetero atom, preferably 1 to 3 hetero atoms such as nitrogen atom, oxygen atom and / or sulfur atom. Examples thereof include a 3- to 8-membered, preferably 4- to 6-membered monocyclic aliphatic heterocyclic group, a polycyclic or a condensed aliphatic heterocyclic group.
- aliphatic heterocyclic group examples include, for example, azetidyl group, azetidino group, pyrrolidyl group, pyrrolidino group, piperidinyl group, piperidino group, piperazinyl group, piperazino group, morpholinyl group, morpholino group, tetrahydrofuryl group, tetrahydropyranyl group. Group, tetrahydrothiophenyl group and the like.
- aromatic heterocyclic group examples include 2 to 15 carbon atoms and at least one hetero atom, preferably 1 to 3 hetero atoms such as a nitrogen atom, an oxygen atom and / or a sulfur atom.
- Examples thereof include a 5- or 6-membered monocyclic heteroaryl group and a polycyclic or condensed ring heteroaryl group. Specific examples thereof include, for example, furyl group, thienyl group, pyridyl group, pyrimidyl group, pyrazyl group, pyridazyl group, pyrazolyl group, imidazolyl group, oxazolyl group, thiazolyl group, benzofuryl group, benzothienyl group, quinolyl group, isoquinolyl group.
- substituted amino group examples include amino groups in which two hydrogen atoms of an amino group are substituted with the same or different alkyl group, cycloalkyl group, aryl group, aralkyl group, and / or heterocyclic group.
- dialkylamino groups such as N, N-diethylamino group and N, N-diisopropylamino group
- dicycloalkylamino groups such as N, N-dicyclohexylamino group; N, N-diphenylamino group, N
- a diarylamino group such as naphthyl-N-phenylamino group
- a diaralkylamino group such as N, N-dibenzylamino group
- the alkyl group, cycloalkyl group, aryl group, aralkyl group, and heterocyclic group of the substituted amino group may further have a substituent.
- substituents that the aryl group, aralkyl group, and heterocyclic group may have include the aforementioned alkyl group, the aforementioned cycloalkyl group, the aforementioned aryl group, the aforementioned aralkyl group, the aforementioned alkyloxy group, A cycloalkyloxy group, an aryloxy group described above, an aralkyloxy group described above, a heterocyclic group described above, a substituted amino group described above, a halogen atom, a silyl group, and an optionally protected hydroxyl group.
- Examples of the halogen atom as a substituent for R 1 , R 2 , R 3 , and R 4 include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- the silyl group as a substituent for R 1 , R 2 , R 3 , and R 4 three hydrogen atoms of the silyl group are the above-described alkyl group, the above-described cycloalkyl group, the above-described aryl group, and the above-described aralkyl. The thing replaced with the group etc. is mentioned.
- Specific examples include a trimethylsilyl group, a triethylsilyl group, a t-butyldimethylsilyl group, a t-butyldiphenylsilyl group, and a triphenylsilyl group.
- Examples of the optionally protected hydroxyl group as a substituent for R 1 , R 2 , R 3 , and R 4 include an unprotected hydroxyl group, or a trimethylsilyl group, a tert-butyldimethylsilyl group, a tert-butyldiphenylsilyl group, for example.
- silyl groups such as benzyl groups and methoxymethyl groups, such as general hydroxyl groups used in peptide synthesis described in Reference Document 1 (Protective Groups in Organic Synthesis Second Edition, JOHN WILEY & SONS, INC. 1991).
- Examples thereof include a hydroxyl group which may be protected with a protecting group.
- the divalent alkylene group examples include a linear or branched divalent alkyl chain having 1 to 20 carbon atoms, preferably 1 to 10 carbon atoms, and more preferably 1 to 6 carbon atoms.
- a methylene group, ethylene group, trimethylene group, tetramethylene group, pentamethylene group, and the like can be given.
- the divalent cycloalkylene group is a bicyclic cycloalkyl group having a monocyclic, polycyclic or condensed cyclic cycloalkyl group having 3 to 15 carbon atoms, preferably 3 to 10 carbon atoms, more preferably 3 to 6 carbon atoms.
- Valent groups such as cyclopropylene group, cyclobutylene group, cyclopentylene group, cyclohexylene group and the like.
- divalent aralkylene group include divalent groups having 7 to 11 carbon atoms in which one hydrogen atom is removed from an aryl group of an aralkyl group such as a benzyl group or a phenethyl group.
- Benzylene group (—Ph—CH 2 —), 2-phenylethylene group (—Ph—CH 2 CH 2 —), 1-naphthylmethylene group (—Np—CH 2 —), 2-naphthylmethylene group (—Np—) CH 2 —) and the like (wherein —Ph— represents a phenylene group and —Np— represents a naphthylene group).
- Examples of the substituent that the divalent alkylene group, divalent cycloalkylene group, or divalent aralkylene group may have include R 1 , R 2 , R 3 , and the like in the general formula (2). And an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, an alkyloxy group, a cycloalkyloxy group, an aryloxy group, an aralkyloxy group, and a heterocyclic group, as described in the description of R 4 , and a halogen atom, Examples thereof include a silyl group, a substituted amino group, and an optionally protected hydroxyl group.
- the monovalent anionic ligand represented by X or Y in the general formula (1) will be described.
- the monovalent anionic ligand include hydride, alkyloxy group, cycloalkyloxy group, aryloxy group, aralkyloxy group, hydroxy group, acyloxy group, sulfonyloxy group, halogen ion, AlH 4 ⁇ , AlH. 2 (OCH 2 CH 2 OCH 3 ) 2 ⁇ , BH 4 ⁇ , BH 3 CN ⁇ , BH (Et) 3 ⁇ and BH (sec-Bu) 3 — and the like.
- Preferable examples include BH 4 ⁇ , hydride, or chloride ion.
- hydride is sometimes simply referred to as hydrogen
- halogen ion is simply referred to as halogen.
- the acyloxy groups include those represented by (R a CO 2), as the R a in the acyloxy group R a CO 2, hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group.
- R a CO 2 hydrogen atom
- alkyl group, cycloalkyl group, aryl group, and aralkyl group include an alkyl group and cycloalkyl as described in the description of R 1 , R 2 , R 3 , and R 4 in the general formula (2).
- Groups, aryl groups, and aralkyl groups include those represented by (R a CO 2), as the R a in the acyloxy group R a CO 2, hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group.
- alkyl group, cycloalkyl group, aryl group, and aralkyl group include an al
- alkyl groups, cycloalkyl groups, aryl groups, and aralkyl groups are further represented by R 1 , R 2 , R 3 , and R 4 in the general formula (2).
- the amino group which may be protected as a substituent for R a is an unprotected amino group; N-methylamino group, N, N-dimethylamino group, N, N-diethylamino group, N, N-diisopropyl Mono- or dialkylamino groups such as amino group, N-cyclohexylamino group; mono- or diaryls such as N-phenylamino group, N, N-diphenylamino group, N-naphthylamino group, N-naphthyl-N-phenylamino group Amino group; mono- or diaralkylamino group such as N-benzylamino group and N, N-dibenzylamino group; formylamino group, acetylamino group, propionylamino group, pivaloylamino group, pentanoylamino group, hexanoylamino group , Acylamino
- Ra examples include a methyl group, an ethyl group, a propyl group, a tert-butyl group, a trifluoromethyl group, a phenyl group, and a pentafluorophenyl group.
- Examples of the sulfonyloxy group include those represented by (R S SO 3 ).
- the R S in a sulfonyloxy group R S SO 3 are the same as those of the R a in the acyloxy group.
- Examples of the halogen ion include fluorine ion, chlorine ion, bromine ion and iodine ion.
- a chlorine ion and a bromine ion More preferably, a chlorine ion is mentioned.
- Preferred tridentate aminophosphine ligands include those represented by the following general formula (3).
- R 5 , R 6 , R 7 and R 8 may be the same or different and each represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, or an aralkyl group, R 5 , R 5 and R 6 or R 7 or R 8 , R 6 and R 7 or R 8 may be bonded to each other to form a ring with adjacent carbon atoms, n is an integer of 0 to 3 These alkyl groups, cycloalkyl groups, aryl groups, and aralkyl groups may have a substituent.
- examples of the alkyl group, cycloalkyl group, aryl group, and aralkyl group represented by R 5 , R 6 , R 7 and R 8 include R 1 , R in the general formula (2).
- examples thereof include an alkyl group, a cycloalkyl group, an aryl group, and an aralkyl group as described in the description of 2 , R 3 , and R 4 .
- a substituent which these alkyl groups, a cycloalkyl group, an aryl group, and an aralkyl group may have, about R ⁇ 1 >, R ⁇ 2 >, R ⁇ 3 >, and R ⁇ 4 > in above-mentioned General formula (2)
- More preferred tridentate aminodiphosphine ligands include those represented by the following general formula (4).
- Ar 1 , Ar 2 , Ar 3 , Ar 4 may be the same or different and each represents an aryl group or an aromatic heterocyclic group. Moreover, these aryl groups and aromatic heterocyclic groups may have a substituent.
- Examples of the aryl group and aromatic heterocyclic group in the general formula (4) include an aryl group and a heterocyclic ring as described in the description of R 1 , R 2 , R 3 , and R 4 in the general formula (2). And the aromatic heterocycle described in the above. Moreover, as a substituent which these aryl groups and aromatic heterocyclic groups may have, it was described in the description of R 1 , R 2 , R 3 , and R 4 in the general formula (2).
- alkyl groups such as alkyl groups, cycloalkyl groups, aryl groups, aralkyl groups, alkyloxy groups, cycloalkyloxy groups, aryloxy groups, and aralkyloxy groups, and halogen atoms, silyl groups, heterocyclic groups, substituted amino groups, and protection Examples thereof include a hydroxyl group which may be used.
- tridentate aminodiphosphine ligands include those represented by the following general formula (5).
- tridentate aminodiphosphine ligand represented by the general formulas (2) and (3) is represented by the substituents on Q 1 and Q 2 , and depending on R 1 to R 8 , the general formula (1 It can be used as a ligand of a ruthenium carbonyl complex represented by
- the ruthenium compound which is the starting material for producing the ruthenium carbonyl complex in the present invention is not particularly limited, for example, RuCl 3 hydrate, RuBr 3 hydrate, inorganic ruthenium compounds such as RuI 3 hydrate , RuCl 2 (DMSO) 4 , [Ru (cod) Cl 2 ] n, [Ru (nbd) Cl 2 ] n, (cod) Ru (2-methyl) 2 , [Ru (benzone) Cl 2 ] 2 , [ Ru (benzone) Br 2 ] 2 , [Ru (benzone) I 2 ] 2 , [Ru (p-cymene) Cl 2 ] 2 , [Ru (p-cymene) Br 2 ] 2 , [Ru (p-cymene) I 2] 2, [Ru ( mesitylene) Cl 2] 2, [Ru (mesitylene) Br 2] 2, [Ru (me itylene) I 2] 2, [Ru (hexamethylbenzene) Cl 2] 2, [Ru
- the ruthenium carbonyl complex represented by the general formula (1) can be easily prepared from a tridentate aminodiphosphine ligand and a ruthenium carbonyl complex as a precursor.
- the tridentate aminodiphosphine ligand can be easily prepared by reacting a bis (substituted alkyl) amine having a leaving group with an alkali metal phosphide compound such as lithium, sodium, or potassium.
- the ruthenium carbonyl complex to be the precursor can be obtained by, for example, the method described in Inorg. Synth, 1974, 15, 45.
- the ruthenium carbonyl complex to be the precursor obtained can be reacted with a tridentate aminodiphosphine ligand to obtain the ruthenium carbonyl complex of the present invention having a tridentate aminodiphosphine ligand.
- the ruthenium carbonyl complex as a precursor in the present invention include carbonyl (dihydrido) tris (triphenylphosphine) ruthenium (II), carbonylchlorohydridotris (triphenylphosphine) ruthenium (II) carbonyldichlorohydridotris (triphenylphosphine) Examples include ruthenium (II).
- the ruthenium carbonyl complex represented by the general formula (1) includes a tridentate aminodiphosphine ligand L represented by the general formula (2) and RuXY (CO) (P (Ar 5 ) 3 ) 3 (wherein , Ar 5 may be the same or different and each represents an aryl group which may have a substituent. Examples of the aryl group and its substituent in Ar 5 include those described above.
- Preferable Ar 5 includes an optionally substituted phenyl group, particularly a phenyl group.
- the ruthenium carbonyl complex in which X is BH 4 — in the ruthenium carbonyl complex represented by the general formula (1) can be produced by reacting NaBH 4 with a ruthenium carbonyl complex in which X is a chlorine ion.
- the complex prepared in this way may give rise to stereoisomers depending on the coordination mode and conformation of the ligand, but the complex used in the reaction is a pure one even if it is a mixture of these stereoisomers. It may be an isomer.
- RuHCl (CO) (L) (8)
- (L) represents a tridentate aminodiphosphine represented by the above general formula (5)
- this complex is a tridentate amino represented by the general formula (5).
- the diphosphine ligand L and RuClH (CO) (PPh 3 ) 3 are easily prepared by appropriately stirring in a solvent.
- the method for producing an alcohol for hydrogenating and reducing a ketone is represented by the following reaction formula (10) using a ruthenium carbonyl complex represented by the general formula (1) and a hydrogen donor.
- R 9 and R 10 may be the same or different, and are a hydrogen atom, alkyl group, cycloalkyl group, aryl group, aralkyl group, heterocyclic group, alkenyl group, alkynyl group, cycloalkenyl group.
- R 9 and R 10 may be bonded to each other to form a ring with adjacent carbon atoms, and these alkyl groups may be (A cycloalkyl group, an aryl group, an aralkyl group, a heterocyclic group, an alkenyl group, an alkynyl group, and a cycloalkenyl group may have a substituent.) It is a method represented by.
- R 9 and R 10 in the reaction formula (10) will be described.
- an alkyl group as described in the description of R 1 , R 2 , R 3 , and R 4 in the general formula (2), Examples thereof include a cycloalkyl group, an aryl group, an aralkyl group, and a heterocyclic group.
- the alkenyl group may be linear or branched and has, for example, 2 to 20 carbon atoms, preferably 2 to 15 carbon atoms, more preferably Specific examples thereof include alkenyl groups having 2 to 10 carbon atoms.
- alkynyl group may be linear or branched, and examples thereof include alkynyl groups having 2 to 20 carbon atoms, preferably 2 to 15 carbon atoms, more preferably 2 to 10 carbon atoms.
- Examples include ethynyl group, 1-propynyl group, 2-propynyl group, 1-butynyl group, 3-butynyl group, pentynyl group, hexynyl group and the like.
- Examples of the cycloalkenyl group include 4- to 10-membered monocyclic to tricyclic aliphatic hydrocarbon groups containing 1 or 2 double bonds in the ring. Examples thereof include a pentenyl group, a cyclohexenyl group, a cycloheptenyl group, and a cyclooctenyl group.
- the keto group has the following general formula (I)
- R k represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, a heterocyclic group, an alkenyl group, an alkynyl group, or a cycloalkenyl group.
- alkyl groups A cycloalkyl group, an aryl group, an aralkyl group, a heterocyclic group, an alkenyl group, an alkynyl group, and a cycloalkenyl group may have a substituent. The thing represented by is mentioned.
- alkyl group, cycloalkyl group, aryl group, aralkyl group, heterocyclic group, alkenyl group, alkynyl group, and cycloalkenyl group for R k are the same as those described above.
- R 9 and R 10 in the reaction formula (10) and R k in the keto group may have substituents R 1 , R 2 , R 3 , and R 4 in the general formula (2).
- R 9 or R 10 is a keto group or has a keto group as a substituent, a polyhydric alcohol is obtained as a product.
- a ruthenium carbonyl complex represented by the general formula (1) in which R 9 and R 10 are different and the tridentate aminodiphosphine ligand represented by the general formula (2) or (3) is an optically active substance is used.
- the reaction represented by the reaction formula (10) is performed, an alcohol in which one enantiomer is excessive is obtained as a product.
- the method for producing an alcohol for hydroreducing an ester comprises the following reaction formula (11) using a ruthenium carbonyl complex represented by the general formula (1) and a hydrogen donor.
- R 11 and R 12 may be the same or different, and an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, a heterocyclic group, an alkenyl group, an alkynyl group, a cycloalkenyl group,
- R 11 may be a hydrogen atom, and these alkyl groups, cycloalkyl groups, aryl groups, aralkyl groups, heterocyclic groups, alkenyl groups may be represented by the general formula (I). Group, alkynyl group, and cycloalkenyl group may have a substituent.) It is the method of manufacturing alcohol from ester represented.
- the method for producing alcohols for hydroreducing lactones is represented by the following reaction formula (12) using a ruthenium carbonyl complex represented by the general formula (1) and a hydrogen donor.
- Q 8 represents a divalent alkylene group, a divalent cycloalkylene group, a divalent aralkylene group, or a divalent arylene group
- (Q 9 -X 12 ) represents a bond
- Q 9 represents a divalent alkylene group, a divalent cycloalkylene group, a divalent aralkylene group, or a divalent arylene group
- X 12 represents a different atom such as oxygen, nitrogen, or sulfur.
- the divalent alkylene group, divalent cycloalkylene group, divalent aralkylene group, or divalent arylene group of Q 8 and Q 9 , and X 12 as a nitrogen atom may have a substituent.
- R 11 and R 12 in the reaction formula (11) will be described.
- Examples of the alkyl group, cycloalkyl group, aryl group, aralkyl group, and heterocyclic group represented by R 11 and R 12 include R 1 , R 2 , R 3 , and R 4 in the general formula (2).
- an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, and a heterocyclic group as described in the description of the above.
- Examples of the alkenyl group, alkynyl group, cycloalkenyl group, and keto group include the above reaction formula (10).
- examples of the substituent that R 11 and R 12 in the reaction formula (11) may have are as described in the description of R 1 , R 2 , R 3 , and R 4 in the general formula (2).
- R 11 and R 12 are a keto group, a keto group as a substituent, an alkoxycarbonyl group, a cycloalkyloxycarbonyl group, an aryloxycarbonyl group, an aralkyloxycarbonyl group, an alkenyloxycarbonyl group, an alkynyloxycarbonyl
- R 11 and R 12 are a keto group, a keto group as a substituent, an alkoxycarbonyl group, a cycloalkyloxycarbonyl group, an aryloxycarbonyl group, an aralkyloxycarbonyl group, an alkenyloxycarbonyl group, an alkynyloxycarbonyl
- polyhydric alcohols obtained by hydrogenating them may be obtained.
- alkoxycarbonyl group, cycloalkyloxycarbonyl group, aryloxycarbonyl group, aralkyloxycarbonyl group, alkenyloxycarbonyl group, alkynyloxycarbonyl group, and cycloalkynyloxycarbonyl group as a substituent are represented by the following general formula (13).
- R 13 represents an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, a heterocyclic group, an alkenyl group, an alkynyl group, or a cycloalkenyl group.
- Group, aryl group, aralkyl group, heterocyclic group, alkenyl group, alkynyl group, and cycloalkenyl group may have a substituent.
- R 13 in the general formula (13) will be described.
- an alkyl group as described in the description of R 1 , R 2 , R 3 , and R 4 in the general formula (2).
- a cycloalkyl group, an aryl group, an aralkyl group, and a heterocyclic group, and the alkenyl group, alkynyl group, and cycloalkenyl group are as described in the description of R 9 and R 10 in the reaction formula (10).
- An alkenyl group, an alkynyl group, and a cycloalkenyl group are mentioned.
- R 13 in the general formula (13) may have include an alkyl group as described in the description of R 1 , R 2 , R 3 , and R 4 in the general formula (2). , A cycloalkyl group, an aryl group, an aralkyl group, and a heterocyclic group, and an alkenyl group, an alkynyl group, and a cycloalkenyl group as described in the description of R 9 and R 10 in the reaction formula (10).
- R 12 is preferably an alkyl group having 1 to 10 carbon atoms. Specific examples include a methyl group, an ethyl group, and an isopropyl group, and a methyl group is more preferable.
- the divalent alkylene group includes a monocyclic or condensed cyclic aryl group having 6 to 12 carbon atoms. Examples thereof include divalent groups such as a phenylene group and a 2,3-naphthalenediyl group. Examples of the phenylene group include o or m-phenylene group.
- Q 8 and Q 9 in the reaction formula (12) may have, as described in the description of R 1 , R 2 , R 3 , and R 4 in the general formula (2), Alkyl groups, cycloalkyl groups, aryl groups, aralkyl groups, alkyloxy groups, cycloalkyloxy groups, aryloxy groups, aralkyloxy groups, halogen atoms, silyl groups, heterocyclic groups, amino groups that may be protected, And an optionally protected hydroxyl group, an alkenyl group, an alkynyl group, a cycloalkenyl group, an alkoxycarbonyl group, a cycloalkyloxycarbonyl group, an aryl as described in the description of R 9 and R 10 in the reaction formula (10) Oxycarbonyl group, aralkyloxycarbonyl group, alkenyloxy group, alkynyloxy group, and cyclo Rukiniruokishi group,
- the protective group of the hydroxyl group which may be protected is an acyl group
- a product in which the protective group is reduced may be obtained.
- the substituent has an alkoxycarbonyl group, a cycloalkyloxycarbonyl group, an aryloxycarbonyl group, an aralkyloxycarbonyl group, an alkenyloxycarbonyl group, an alkynyloxycarbonyl group, or a cycloalkynyloxycarbonyl group, these groups
- polyhydric alcohols obtained by hydrogenation reduction can be obtained.
- R 1 , R 2 , R 3 and R 4 in the general formula (2) can be given as a substituent which nitrogen in the case where the hetero atom represented by X 12 is nitrogen.
- the description about R 1 , R 2 , R 3 and R 4 in the general formula (2) can be given.
- lactones examples include ⁇ -lactone, ⁇ -lactone, ⁇ -lactone, and the like.
- the method for producing alcohols of the present invention can be preferably carried out without solvent or in a solvent, but it is preferable to use a solvent.
- a solvent As the solvent to be used, those capable of dissolving the substrate and the catalyst are preferable, and a single solvent or a mixed solvent is used.
- aromatic hydrocarbons such as toluene and xylene, aliphatic hydrocarbons such as hexane and heptane, halogenated hydrocarbons such as methylene chloride and chlorobenzene, diethyl ether, tetrahydrofuran, methyl tert-butyl ether, cyclopentyl methyl ether, etc.
- Examples include ethers, alcohols such as methanol, ethanol, isopropanol, n-butanol, 2-butanol and tert-butanol, and polyhydric alcohols such as ethylene glycol, propylene glycol, 1,2-propanediol and glycerin.
- ethers or alcohols are preferable, and particularly preferable solvents include tetrahydrofuran, methanol, or isopropanol.
- the amount of the solvent used can be appropriately selected depending on the reaction conditions and the like. The reaction is carried out with stirring as necessary.
- Examples of the hydrogen donor used in the method of the present invention include molecular hydrogen, formic acid, primary alcohol (methanol, ethanol, butanol, etc.) and secondary alcohol (isopropanol, etc.).
- molecular hydrogen and secondary alcohol are used.
- the amount of the catalyst used varies depending on the hydrogenation substrate, reaction conditions, catalyst type, etc., but is usually 0.0001 mol% to 10 mol%, preferably 0.005 mol in terms of the molar ratio of ruthenium metal to the hydrogenation substrate. % To 5 mol%.
- the reaction temperature during the hydrogenation reduction is 0 ° C. to 180 ° C., preferably 0 ° C. to 120 ° C. If the reaction temperature is too low, a large amount of unreacted raw material may remain, and if it is too high, decomposition of the raw material, catalyst, etc. may occur, which is not preferable.
- the hydrogen pressure at the time of hydrogen reduction is 0.1 MPa to 10 MPa, preferably 3 MPa to 6 MPa.
- the reaction time is 30 minutes to 72 hours, preferably 2 hours to 48 hours, and a sufficiently high raw material conversion can be obtained.
- the desired alcohols can be obtained by combining commonly used purification methods such as extraction, filtration, crystallization, distillation, various chromatography, etc., alone or in appropriate combination.
- additives may be added as appropriate.
- the additive include basic compounds and metal hydrides.
- Specific examples of the basic compound include, for example, triethylamine, diisopropylethylamine, N, N-dimethylaniline, piperidine, pyridine, 4-dimethylaminopyridine, 1,5-diazabicyclo [4.3.0] non-5-ene.
- alkali metal carbonates such as potassium carbonate, sodium carbonate, lithium carbonate and cesium carbonate Salts
- alkaline earth metal carbonates such as magnesium carbonate and calcium carbonate
- alkali metal hydrogen carbonates such as sodium hydrogen carbonate and potassium hydrogen carbonate
- alkali metal hydroxides such as sodium hydroxide, potassium hydroxide and lithium hydroxide
- Alkaline earth metal hydroxides such as magnesium hydroxide and calcium hydroxide
- Particularly preferred bases include sodium methoxide or potassium tert-butoxide.
- the metal hydride include lithium borohydride, sodium borohydride, potassium borohydride, lithium aluminum hydride, and the like. These metal hydrides are used as 10% of esters, lactones, and ketones which are hydrogenated substrates. A sufficiently high conversion can be obtained even when used in an amount of not more than%.
- Conversion rate / selectivity A, B, C, or D was used as an analysis condition for conversion rate and selectivity.
- Analysis condition A GC: Capillary HP-INNOWax Injection temperature 250 ° C, detection temperature 250 ° C 80 ° C (1 minute) -10 ° C / minute-250 ° C (12 minutes)
- Analysis condition B GC; Capillary RTx-5 Injection temperature 250 ° C, detection temperature 250 ° C 80 ° C (10 minutes) -10 ° C / minute-270 ° C (1 minute)
- Analysis condition C GC: Capillary TC-WAX Injection temperature 250 ° C, detection temperature 250 ° C 80 ° C-10 ° C / min-200 ° C (2 min)
- Analysis condition D GC; Capillary CP-CHIRASIL-DEX-CB Injection temperature 250 ° C, detection temperature 250 ° C 115 ° C (12 minutes)
- optical purity of each product was measured by the following method.
- Optical purity optical purity analysis of 1,2-propanediol Analysis after conversion to propylene carbonate.
- GC Capillary ⁇ -DEX225 Injection temperature 250 ° C, detection temperature 250 ° C 170 ° C (30 minutes)
- Optical purity optical purity analysis of 2- (Boc-amino) propan-1-ol. After conversion to p-nitrobenzoate, analysis was performed.
- MERCURY plus 300 manufactured by Varian was used.
- amine hydrochloride 8 (4.18 mmol) was added to a 100 ml flask, suspended in toluene (33 ml), 15% aqueous NaOH (14 ml) was added, and the mixture was stirred at room temperature until there was no solid. After separating the solution, the organic layer was washed with distilled water (14 ml ⁇ 2), and the aqueous layer was extracted with toluene (14 ml ⁇ 2). The combined organic layers were dried over sodium sulfate, and the solvent was distilled off to obtain amine 9. Ruthenium carbonyl complex 7 (4.18 mmol) was added to a 200 ml flask and the atmosphere was purged with nitrogen.
- the complex 1b (0.02 mmol) produced in Example 1 was added to a 100 ml autoclave containing a stirring bar, and the atmosphere was replaced with nitrogen. Tetrahydrofuran (4 ml) and 99% ee or more methyl (R) -3- (Boc-amino) butanoate (5 mmol) were added thereto, and hydrogenated at a hydrogen pressure of 5 MPa and 80 ° C. for 16 hours. As a result of analyzing the reaction solution by gas chromatography, (R) -3- (Boc-amino) butan-1-ol was obtained with a conversion rate of 95.9%. The optical purity of the alcohol obtained was 99% ee or higher.
- Example 11 Using a ruthenium carbonyl complex composed of an optically active tridentate aminodiphosphine ligand, asymmetric hydrogenation of acetophenone was performed according to the following reaction formula.
- Example 15 As a result of changing the isopropanol of Example 14 to toluene and performing the reaction in the same manner, the conversion was 88.2%. The alcohol obtained had an optical purity of 88.8% ee.
- Example 16 As a result of changing the isopropanol of Example 14 to ethanol and performing the reaction in the same manner, the conversion was 98.3%. The alcohol obtained had an optical purity of 93.7% ee.
- Example 17 The ruthenium carbonyl complex 14 of the present invention was produced by the following procedure.
- Example 18 Hydrogenation of (R) -methyl lactate was performed. Methyl lactate (20.0 mmol), complex 14 prepared in Example 17 (0.01 mmol), sodium methoxide (0.2 mmol), and methanol (8 ml) were added to a 100 ml autoclave containing a stir bar, and the hydrogen pressure Hydrogenation was performed at 5 MPa and 30 ° C. for 16 hours. As a result of analyzing the reaction of the reaction solution by gas chromatography, the conversion was 48% and the selectivity was 98%. The alcohol obtained had an optical purity of 99.1% ee.
- Example 19 The ruthenium carbonyl complex 18 of the present invention was produced by the following procedure.
- potassium t-butoxide (8.0 mmol) was added to a 100 ml flask, suspended in tetrahydrofuran (40 ml), di-p-tolylphosphine (4.0 mmol), amine 12 (2.0 mmol). ) And reacted at room temperature for 14 hours, followed by heating under reflux for 5 hours.
- the reaction solution was diluted with ethyl acetate (40 ml) and washed with 15% NaOH aqueous solution, distilled water and saturated brine. After the aqueous layer was extracted with ethyl acetate, the combined organic layer was dehydrated with sodium sulfate and dried under reduced pressure.
- amine hydrochloride 17 (0.36 mmol) was added to a 20 ml flask, suspended in toluene (5.0 ml), 15% NaOH aqueous solution was added and reacted at room temperature for 30 minutes.
- FIG. 1 schematically shows the chemical structure of the complex 18 based on these results.
- Example 20 Hydrogenation of (R) -methyl lactate was performed. Methyl lactate (10.0 mmol), complex 18 prepared in Example 19 (0.005 mmol), sodium methoxide (0.1 mmol), methanol (4 ml) were added to a 100 ml autoclave containing a stir bar, and the hydrogen pressure Hydrogenation was performed at 5 MPa and 30 ° C. for 16 hours. As a result of analyzing the reaction of the reaction solution by gas chromatography, the reaction conversion was 70% and the selectivity was 94%.
- the present invention provides a novel ruthenium carbonyl complex having a tridentate aminodiphosphine ligand that can be easily prepared from readily available inorganic ruthenium compounds, and the novel ruthenium carbonyl complex of the present invention comprises hydrogen In the presence of a donor, it catalyzes the hydrogenation reduction of ketones, esters and lactones, and has not only high catalytic activity even under relatively mild reaction conditions, but also asymmetric hydrogenation reduction of a carbonyl group.
- the novel ruthenium carbonyl complex of the present invention is highly stable and easy to handle, and is suitable for industrial use. Therefore, the ruthenium carbonyl complex of the present invention and the hydrogenation reduction method of ketones, esters and lactones using the same are useful in the field of organic industrial chemistry.
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Abstract
Description
[1]次の一般式(1)
RuXY(CO)(L) (1)
(一般式(1)中、X及びYは同一であっても異なっていてもよくアニオン性配位子を表し、Lは下記一般式(2)
で表される3座アミノジホスフィン配位子を表す。)
で表されるルテニウムカルボニル錯体。
[2]3座アミノジホスフィン配位子Lが下記一般式(3)
で表される前記[1]のルテニウムカルボニル錯体。
[3]3座アミノジホスフィン配位子Lが下記一般式(4)
で表される前記[1]記載のルテニウムカルボニル錯体。
[4]一般式(4)における、Ar1、Ar2、Ar3、及びAr4が、置換基を有していてもよいフェニル基である前記[3]記載のルテニウムカルボニル錯体。
[5]3座アミノジホスフィン配位子Lが下記一般式(5)
で表される前記[4]記載のルテニウムカルボニル錯体。
[6]3座アミノジホスフィン配位子Lが、光学活性な3座アミノジホスフィン配位子である前記[1]又は[2]のいずれかに記載のルテニウムカルボニル錯体。
[7]一般式(1)におけるXのアニオン性配位子がヒドリドであり、Yのアニオン性配位子が塩素イオンである前記[1]~[6]のいずれかに記載のルテニウムカルボニル錯体。
[8]一般式(1)におけるXのアニオン性配位子がヒドリドであり、Yのアニオン性配位子が、BH4 -である前記[1]~[6]のいずれかに記載のルテニウムカルボニル錯体。
[9]一般式(2)で表される3座アミノジホスフィン配位子LとRuXY(CO)(P(Ar5)3)3(式中、Ar5は、それぞれ同一であっても異なっていてもよく、置換基を有していてもよいアリール基を表す。)とを反応させて、一般式(1)で表されるルテニウムカルボニル錯体を製造する方法。
[10]Ar5が、フェニル基である前記[9]に記載の方法。
[11]一般式(2)で表される3座アミノジホスフィン配位子Lが、一般式(5)で表される3座アミノジホスフィン配位子Lである前記[9]又は[10]に記載の方法。
[12]RuXY(CO)(P(Ar5)3)3が、RuHCl(CO)(PPh3)3である前記[9]~[11]のいずれかに記載の方法。
[13]RuHCl(CO)(PPh3)3と一般式(5)で表される3座アミノジホスフィン配位子Lとを反応させて、下記一般式(6)
[14]前記一般式(6)で表されるルテニウムカルボニル錯体とNaBH4を反応させて、下記一般式(7)
[15]前記[1]から[8]のいずれかに記載のルテニウムカルボニル錯体の存在下、水素供与体を用いてケトン類を水素化還元するアルコールの製造方法。
[16]前記[6]から[8]のいずれかに記載のルテニウムカルボニル錯体の存在下、水素供与体を用いてケトン類を不斉水素化還元する光学活性アルコールの製造方法。
[17]前記[1]から[8]のいずれかに記載のルテニウムカルボニル錯体の存在下、水素供与体を用いて、エステル類又はラクトン類を水素化還元するアルコールの製造方法。
[18]前記[1]から[8]のいずれかに記載のルテニウムカルボニル錯体の存在下、水素供与体を用いて、光学活性エステル類又は光学活性ラクトン類を光学活性を保持したまま水素化還元する光学活性アルコールの製造方法。
RuXY(CO)(L) (1)
(一般式(1)中、X及びYは同一であっても異なっていてもよくアニオン性配位子を表し、Lは下記一般式(2)で表される3座アミノジホスフィン配位子を表す。)
アルキル基としては、炭素数1~50、好ましくは炭素数1~20、より好ましくは炭素数1~10の直鎖又は分岐のアルキル基が挙げられ、例えば、メチル基、エチル基、n-プロピル基、イソプロピル基、n-ブチル基、イソブチル基、s-ブチル基、tert-ブチル基、n-ペンチル基、n-ヘキシル基、n-オクチル基等が挙げられる。
また、シクロアルキル基としては炭素数3~30、好ましくは炭素数3~20、より好ましくは炭素数3~10の単環式、多環式又は縮合環式のシクロアルキル基が挙げられ、例えば、シクロプロピル基、シクロペンチル基、シクロヘキシル基等が挙げられる。
また、アリール基としては、炭素数6~36、好ましくは炭素数6~18、より好ましくは炭素数6~14の単環式、多環式又は縮合環式のアリール基が挙げられ、具体的には、例えば、フェニル基、ナフチル基、アントリル基、フェナントリル基、ビフェニル基等が挙げられる。
また、アラルキル基としては、前記したアルキル基の少なくとも1個の水素原子が前記したアリール基で置換された基が挙げられ、例えば炭素数7~15のアラルキル基が好ましく、具体的にはベンジル基、1-フェニルエチル基、2-フェニルエチル基、1-フェニルプロピル基、3-ナフチルプロピル基等が挙げられる。
また、シクロアルキルオキシ基としては、炭素数3~20、好ましくは炭素数3~15、より好ましくは炭素数3~10の多環式又は縮合環式のシクロアルキル基からなるシクロアルキルオキシ基が挙げられ、例えば、シクロプロピルオキシ基、シクロペンチルオキシ基、シクロヘキシルオキシ基等が挙げられる。
また、アリールオキシ基としては、炭素数6~36、好ましくは炭素数6~18、より好ましくは炭素数6~14の単環式、多環式又は縮合環式のアリール基からなるアリールオキシ基が挙げられ、具体的には、例えば、フェノキシ基、トリロキシ基、キシリロキシ基、ナフトキシ基等が挙げられる。
また、アラルキルオキシ基としては前記アルキルオキシ基のアルキル基又はシクロアルキル基の少なくとも1個の水素原子が前記アリール基で置換された基が挙げられ、例えば炭素数7~15のアラルキルオキシ基が好ましく、具体的にはベンジルオキシ基、1-フェニルエトキシ基、2-フェニルエトキシ基、1-フェニルプロポキシ基、2-フェニルプロポキシ基、3-フェニルプロポキシ基、4-フェニルブトキシ基、1-ナフチルメトキシ基、2-ナフチルメトキシ基等が挙げられる。
芳香族複素環基としては、例えば、炭素数2~15で、異種原子として少なくとも1個、好ましくは1~3個の窒素原子、酸素原子及び/又は硫黄原子等の異種原子を含んでいる、5又は6員の単環式ヘテロアリール基、多環式又は縮合環式のヘテロアリール基が挙げられる。その具体例としては、例えば、フリル基、チエニル基、ピリジル基、ピリミジル基、ピラジル基、ピリダジル基、ピラゾリル基、イミダゾリル基、オキサゾリル基、チアゾリル基、ベンゾフリル基、ベンゾチエニル基、キノリル基、イソキノリル基、キノキサリル基、フタラジル基、キナゾリル基、ナフチリジル基、シンノリル基、ベンゾイミダゾリル基、ベンゾオキサゾリル基、ベンゾチアゾリル基、アクリジル基、アクリジニル基等が挙げられる。
R1、R2、R3、及びR4の置換基としてのシリル基としては、シリル基の水素原子の3個が前記したアルキル基、前記したシクロアルキル基、前記したアリール基、前記したアラルキル基等に置き換ったものが挙げられる。具体的にはトリメチルシリル基、トリエチルシリル基、t-ブチルジメチルシリル基、t-ブチルジフェニルシリル基、トリフェニルシリル基等が挙げられる。
二価のアルキレン基としては、炭素数1~20、好ましくは炭素数1~10、より好ましくは炭素数1~6の鎖状又は分岐状の二価のアルキル鎖が挙げられ、具体的には例えば、メチレン基、エチレン基、トリメチレン基、テトラメチレン基、ペンタメチレン基等が挙げられる。
また、二価のシクロアルキレン基としては、炭素数3~15、好ましくは炭素数3~10、より好ましくは3~6の単環式、多環式又は縮合環式のシクロアルキル基からなる二価の基が挙げられ、例えば、シクロプロピレン基、シクロブチレン基、シクロペンチレン基、シクロヘキシレン基等が挙げられる。
また、二価のアラルキレン基としてはベンジル基、フェネチル基等などのアラルキル基のアリール基から水素原子を一個除いた炭素数7~11の二価の基を挙げることができる。ベンジレン基(-Ph-CH2-)、2-フェニルエチレン基(-Ph-CH2CH2-)、1-ナフチルメチレン基(-Np-CH2-)、2-ナフチルメチレン基(-Np-CH2-)等(式中、-Ph-はフェニレン基を示し、-Np-はナフチレン基を示す。)が挙げられる。
1価のアニオン性配位子としては、例えば、ヒドリド、アルキルオキシ基、シクロアルキルオキシ基、アリールオキシ基、アラルキルオキシ基、ヒドロキシ基、アシルオキシ基、スルホニルオキシ基、ハロゲンイオン、AlH4 -、AlH2(OCH2CH2OCH3)2 -、BH4 -、BH3CN-、BH(Et)3 -及びBH(sec-Bu)3 -等が挙げられる。好ましいものとしてはBH4 -、ヒドリド、又は塩素イオンが挙げられる。なお、本明細書中では、ヒドリドを単に水素、ハロゲンイオンを単にハロゲンということもある。
Raの置換基としての保護されていてもよいアミノ基としては、無保護のアミノ基;N-メチルアミノ基、N,N-ジメチルアミノ基、N,N-ジエチルアミノ基、N,N-ジイソプロピルアミノ基、N-シクロヘキシルアミノ基等のモノ又はジアルキルアミノ基;N-フェニルアミノ基、N,N-ジフェニルアミノ基、N-ナフチルアミノ基、N-ナフチル-N-フェニルアミノ基等のモノ又はジアリールアミノ基;N-ベンジルアミノ基、N,N-ジベンジルアミノ基等のモノ又はジアラルキルアミノ基;ホルミルアミノ基、アセチルアミノ基、プロピオニルアミノ基、ピバロイルアミノ基、ペンタノイルアミノ基、ヘキサノイルアミノ基、ベンゾイルアミノ基等のアシルアミノ基;メトキシカルボニルアミノ基、エトキシカルボニルアミノ基、n-プロポキシカルボニルアミノ基、n-ブトキシカルボニルアミノ基、tert-ブトキシカルボニルアミノ基、ペンチルオキシカルボニルアミノ基、ヘキシルオキシカルボニルアミノ基等のアルコキシカルボニルアミノ基;フェニルオキシカルボニルアミノ基等のアリールオキシカルボニルアミノ基;ベンジルオキシカルボニルアミノ基等のアラルキルオキシカルボニルアミノ基等が挙げられる。さらに保護されていてもよいアミノ基としては、例えば前記の参考文献1に記載されているペプチド合成等で用いられる一般的なアミノ基の保護基で保護されたアミノ基が挙げられる。
Raとしては例えばメチル基、エチル基、プロピル基、tert-ブチル基、トリフルオロメチル基、フェニル基、ペンタフルオロフェニル基等が挙げられる。
ハロゲンイオンとしては、フッ素イオン、塩素イオン、臭素イオン、ヨウ素イオンが挙げられる。好ましくは塩素イオン、臭素イオン、さらに好ましくは塩素イオンが挙げられる。
3座アミノジホスフィン配位子は、脱離基を有するビス(置換アルキル)アミンとリチウム、ナトリウム、カリウムなどのアルカリ金属フォスフィド化合物を反応させることで容易に調製することができる。
前駆体となるルテニウムカルボニル錯体は、例えば、Inorg.Synth,1974,15,45.に記載の方法などにより得ることができる。得られた前駆体となるルテニウムカルボニル錯体を3座アミノジホスフィン配位子と反応させて3座アミノジホスフィン配位子を有する本発明のルテニウムカルボニル錯体とすることができる。
本発明における前駆体となるルテニウムカルボニル錯体としては、カルボニル(ジヒドリド)トリス(トリフェニルホスフィン)ルテニウム(II)、カルボニルクロロヒドリドトリス(トリフェニルホスフィン)ルテニウム(II) カルボニルジクロロヒドリドトリス(トリフェニルホスフィン)ルテニウム(II)などが挙げられる。
また、一般式(1)で表されるルテニウムカルボニル錯体におけるXがBH4 -であるルテニウムカルボニル錯体は、Xが塩素イオンであるルテニウムカルボニル錯体とNaBH4を反応させることにより製造することができる。
また、例えば、J.Am.Chem.Soc.2005,127,516.に記載の方法などに準じて、3座アミノジホスフィン配位子とX=H-(ヒドリド)、Y=BH4 -を有するルテニウムカルボニルヒドリドボロヒドリド錯体を得ることができる。これらの錯体は比較的安定に存在し、取り扱いが容易である。
RuHCl(CO)(L) (8)
(式中(L)は、前記した一般式(5)で表される3座アミノジホスフィンを表す)で表される錯体が挙げられ、この錯体は一般式(5)で表される3座アミノジホスフィン配位子LとRuClH(CO)(PPh3)3を適宜溶媒中で攪拌することで容易に調製される。
RuH(BH4)(CO)(L) (9)
(式中(L)は、前記した一般式(5)で表される3座アミノジホスフィンを表す)で表される錯体が挙げられ、この錯体は一般式(8)で表されるルテニウムカルボニル錯体とNaBH4を適宜溶媒中で攪拌することで容易に調製される。
このようなルテニウムカルボニル錯体を触媒として用いることで、工業的に有利な比較的低い水素圧及び反応温度で、エステル類及びラクトン類並びにケトン類からアルコール類を高収率、高触媒効率で製造することが可能となる。
本発明において原料の水素化基質として、エステル類又はラクトン類、ケトン類が用いられるが、これらのエステル類、ラクトン類やケトン類は、本発明の水素化方法において悪影響を及ぼさない置換基で置換されていてもよい。
で表される方法である。
で表されるものが挙げられる。
Rkにおけるアルキル基、シクロアルキル基、アリール基、アラルキル基、複素環基、アルケニル基、アルキニル基、及びシクロアルケニル基は、前記してきたものと同じである。
で表されるエステル類からアルコール類を製造する方法である。
で表されるものが挙げられる。
反応終了後は、抽出、濾過、結晶化、蒸留、各種クロマトグラフィー等、通常用いられる精製法を単独又は適宜組み合わせることにより目的のアルコール類を得ることができる。
添加剤としては例えば塩基性化合物や金属水素化物等が挙げられる。塩基性化合物の具体例としては、例えば、トリエチルアミン、ジイソプロピルエチルアミン、N,N-ジメチルアニリン、ピペリジン、ピリジン、4-ジメチルアミノピリジン、1,5-ジアザビシクロ[4.3.0]ノナ-5-エン、1,8-ジアザビシクロ[5.4.0]ウンデカ-7-エン、トリ-n-ブチルアミン及びN-メチルモルホリン等のアミン類、炭酸カリウム、炭酸ナトリウム、炭酸リチウム、炭酸セシウム等のアルカリ金属炭酸塩、炭酸マグネシウム、炭酸カルシウム等のアルカリ土類金属炭酸塩、炭酸水素ナトリウム、炭酸水素カリウム等のアルカリ金属炭酸水素塩、水酸化ナトリウム、水酸化カリウム、水酸化リチウム等のアルカリ金属水酸化物、水酸化マグネシウム、水酸化カルシウム等のアルカリ土類金属水酸化物、ナトリウムメトキシド、ナトリウムエトキシド、ナトリウムイソプロポキシド、ナトリウムtert-ブトキシド、カリウムメトキシド、カリウムエトキシド、カリウムイソプロポキシド、カリウムtert-ブトキシド、リチウムメトキシド、リチウムイソプロポキシド、リチウムtert-ブトキシド等のアルカリ金属アルコキシド、マグネシウムメトキシド、マグネシウムエトキシド等のアルカリ土類金属アルコキシド、水素化ナトリウム、水素化カルシウム、の金属水素化物が挙げられる。特に好ましい塩基としては、ナトリウムメトキシド又はカリウムtert-ブトキシドが挙げられる。
金属水素化物としては水素化ホウ素リチウム、水素化ホウ素ナトリウム、水素化ホウ素カリウム、水素化アルミニウムリチウム等が挙げられ、これらの金属水素化物を水素化基質であるエステル類、ラクトン類、ケトン類の10mol%以下用いることでも十分に高い転化率が得られる。
なお、転化率、選択率、光学純度の測定はガスクロマトグラフィー(GC)及び液体クロマトグラフィー(LC)で行った。用いた装置は次のとおりである。
転化率及び選択率の分析条件はA、B、C又はDを使用した。
分析条件A:
GC;キャピラリー HP-INNOWax
注入温度 250℃,検出温度 250℃
80℃(1分)-10℃/分-250℃(12分)
分析条件B:
GC;キャピラリー RTx-5
注入温度 250℃,検出温度 250℃
80℃(10分)-10℃/分-270℃(1分)
分析条件C:
GC;キャピラリー TC-WAX
注入温度 250℃,検出温度 250℃
80℃-10℃/分-200℃(2分)
分析条件D:
GC;キャピラリー CP-CHIRASIL-DEX-CB
注入温度 250℃,検出温度 250℃
115℃(12分)
光学純度:1,2-プロパンジオールの光学純度分析
炭酸プロピレンに変換した後分析した。
GC;キャピラリー β-DEX225
注入温度 250℃,検出温度 250℃
170℃(30分)
光学純度:2-(Boc-アミノ)プロパン-1-オールの光学純度分析
p-ニトロ安息香酸エステルに変換した後分析した。
HPLC;カラム ダイセルCHIRALCEL OD-H
オーブン;40℃、溶離液;ヘキサン:イソプロパノール
=95:5
光学純度:2-(ベンジルオキシ)プロパン-1-オールの光学純度分析
HPLC;カラム ダイセルCHIRALCEL AD-H
オーブン;30℃、溶離液;ヘキサン;イソプロパノール
=98:2
光学純度:3-(Boc-アミノ)ブタン-1-オールの光学純度分析
p-ニトロ安息香酸エステルに変換した後分析した。
HPLC;カラム ダイセルCHIRALCEL AD-H
オーブン;30℃、溶離液;ヘキサン:イソプロパノール
=90:10
光学純度:3-(フェニルアミノ)ブタン-1-オールの光学純度分析
HPLC;カラム ダイセルCHIRALCEL AS-H
オーブン;30℃、溶離液;ヘキサン:イソプロパノール
=95:5
光学純度:3-(tert-ブチルジメチルシリルオキシ)ブタン-1-オールの光学純度分析
GC;キャピラリー CP-CHIRASIL-DEX- CB
注入温度 250℃,検出温度 250℃
80℃(30分)
光学純度:1-フェニルエタノールの光学純度分析
GC;キャピラリー CP-CHIRASIL-DEX- CB
注入温度 250℃,検出温度 250℃
115℃(12分)
次の反応式によりルテニウムカルボニル錯体1a及び1bを製造した。
ルテニウムカルボニル錯体7(4.18mmol)を200mlのフラスコに加え、窒素置換した後、トルエン(33ml)に溶解させたアミン9を加え、60分間加熱還流を行った。放冷後、反応液にヘキサン(82ml)を加えた後、窒素雰囲気下にて析出している結晶をろ別した。得られた結晶をヘキサン(10ml)、エタノール(40ml)で洗浄した。減圧乾燥し、ルテニウム錯体1aを1.4g(2.3mmol)得た。
-15.23(t, J = 29.3Hz, 1H), 2.40-2.65(m, 4H),
2.90-3.05(m, 2H),3.30-3.55(m,2H), 3.92(bs, 1H),
7.08-7.34(m, 4H), 7.38-7.46(m,8H), 7.40-7.88(m, 8H)
31P-NMR(121.5MHz CD2Cl2):δ=52.8(d, J = 14Hz)
-12.36(t, J = 28.5Hz, 1H), -2.80- -1.70(bs, 4H),
2.40-2.78(m, 4H),2.90-3.05(m, 2H), 3.32-3.60(m, 2H),
4.20-4.40(m, 1H), 6.92-7.28(m, 4H),
7.38-7.46(m, 8H), 7.70-7.82(m, 8H)
31P-NMR(121.5MHz CD2Cl2):δ=56.6(s)
次の反応式により(R)-乳酸メチルの水素化を行った。
次の反応式によりL-Boc-アラニンメチルエステルの水素化を行った。
次の反応式により(S)-2-(ベンジルオキシ)プロピオン酸メチルの水素化を行った。
次の反応式により(R)一3-(Boc-アミノ)ブタン酸メチルの水素化を行った。
次の反応式により(S)-3-(フェニルアミノ)ブタン酸メチルの水素化を行った。
次の反応式により(R)-3-(tert-ブチルジメチルシリルオキシ)ブタン酸メチルの水素化を行った。
次の反応式により安息香酸メチルの水素化を行った。
次の反応式により安息香酸イソプロピルの水素移動型還元反応を行った。
次の反応式によりアセトフェノンの水素化を行った。
光学活性3座アミノジホスフィン配位子からなるルテニウムカルボニル錯体を用い、次の反応式によりアセトフェノンの不斉水素化を行った。
3座アミノジホスフィン配位子として、実施例1に記載のアミン9に代えてN,N-ビス[(S)-2-ジフェニルホスフィノ-プロピル]アミンを用いて、実施例1と同様にして目的の光学活性3座アミノジホスフィン配位子ルテニウムカルボニル錯体1a’を製造した。
撹拌子を入れた100mlのオートクレーブに、アセトフェノン(20mmol)、光学活性な配位子を有する錯体1a’(0.01mmol)、カリウムtert-ブトキシド(0.1mmol)、イソプロパノール(11.5ml)を加え、水素圧3MPa、40℃で5時間水素化を行った。反応液をガスクロマトグラフィーで反応を分析した結果、反応転化率100%で1-フェニルエタノールが得られた。得られたアルコールの光学純度は54.0%eeであった。
次の反応式によりアセトフェノンの水素移動型不斉還元を行った。
次の反応式により(R)-乳酸メチルの水素化を行った。
次の反応式により(R)-乳酸メチルの水素化を行った。
実施例14のイソプロパノールをトルエンに変更し、同様にして反応を行った結果、転化率88.2%であった。得られたアルコールの光学純度は88.8%eeであった。
実施例14のイソプロパノールをエタノールに変更し、同様にして反応を行った結果、転化率98.3%であった。得られたアルコールの光学純度は93.7%eeであった。
次の手順により本発明のルテニウムカルボニル錯体14を製造した。
2.27(s,24H), 2.19-2.34(m,4H), 2.68-2.80(m, 4H),
6.93(s,4H), 7.02(d,J=8.1Hz,8H)
31P-NMR(121.5MHz CDCl3):δ=-22.89(s)
-15.37(t,J=29.1Hz,1H), 2.34(s, 12H), 2.36(s, 12H),
2.40-2.50(m,4H), 2.80-3.20(m,2H), 3.30-3.50(m,2H),
3.75-3.95(bs,1H), 7.05-7.80(m,4H), 7.36-7.46(m,8H)
31P-NMR(121.5MHz CD2Cl2):δ=
51.68(d,J=11.7Hz)
(R)-乳酸メチルの水素化を行った。
撹拌子を入れた100mlのオートクレーブに、乳酸メチル(20.0mmol)、実施例17で製造した錯体14(0.01mmol)、ナトリウムメトキシド(0.2mmol)、メタノール(8ml)を加え、水素圧5MPa、30℃で16時間水素化を行った。反応液をガスクロマトグラフィーで反応を分析した結果、転化率48%、選択率98%であった。得られたアルコールの光学純度は99.1%eeであった。
次の手順により本発明のルテニウムカルボニル錯体18を製造した。
続いて、窒素気流下、アミン塩酸塩17(0.36 mmol)を20mlのフラスコに加え、トルエン(5.0ml)に懸濁させ、15%NaOH水溶液を加え室温で30分反応させた。二層を分離後、有機層を飽和食塩水で洗浄し、水層をトルエン(1 ml)で抽出し、合わせた有機層をアミンのトルエン溶液とした。窒素気流下、20mlのフラスコに先ほど調整したアミンのトルエン溶液、錯体7(0.30 mmol)を加え、5時間加熱還流を行った。その後反応溶液をろ過し、ろ液にヘキサンを加え、再結晶を行った。析出した結晶をろ別し、トルエン:ヘキサン=1:1で洗浄を行った。その後減圧下で乾燥し錯体18を得た。
-15.35(t,J=19.5Hz,1H),2.36(s,12H), 2.42-2.52(m,4H),
2.88-3.00(m,2H), 3.30-3.52(m,2H),3.74-3.88(m,1H),
7.18-7.27(m,8H),7.60-7.40(m,8H)
31P-NMR(121.5MHz CD2Cl2):δ=
50.93(d,J=14.2Hz)
MS: C33H38ClNOP2Ruとして、
計算値 : (MH+)=663.12
実測値 : (MH+)=663.07
単結晶によるX線構造解析の結果は次のとおりであった。
晶系:単斜晶系。
空間群:P121/c1。
格子定数a=12.5423(13)、b=14.5907(11)、c=18.0776(15)(単位はÅ(オングストローム))、β=102.131(4)、V=3234.3(5)(Å3(立方オングストローム))。
Ruの周りの結合長はそれぞれRu-Hが1.65Å(オングストローム);Ru-Cが1.834Å(オングストローム);Ru-Nが2.191Å(オングストローム);Ru-Pがそれぞれ2.3358Å(オングストローム)と2.3068Å(オングストローム)であった。
これらの結果に基づいて錯体18の化学構造を模式化した図を図1に示す。
(R)-乳酸メチルの水素化を行った。
撹拌子を入れた100mlのオートクレーブに、乳酸メチル(10.0mmol)、実施例19で製造した錯体18(0.005mmol)、ナトリウムメトキシド(0.1mmol)、メタノール(4ml)を加え、水素圧5MPa、30℃で16時間水素化を行った。反応液をガスクロマトグラフィーで反応を分析した結果、反応転化率70%、選択率94%であった。
次の手順によりルテニウムカルボニル錯体16を製造した。
31P-NMR(121.5MHz CDCl3):δ=-14.67(s)
1H-MNR(300MHz CD2Cl2):δ=
-14.59(t,J= 18.6Hz,1H), 2.35-2.60(m,2H), 2.65-2.85(m,2H),
3.02-3.18(m,2H), 3.35-3.65(m,2H), 3.80-4.20(m,1H),
8.04(d,J=21.6Hz,4H), 8.18-8.26(m,4H), 8.36-8.44(m,4H)
31P-NMR(121.5MHz CD2Cl2):δ=60.18(s)
次の反応式によりマレイン酸メチルの水素化を行った。
次の反応式によりメトキシ酢酸メチルの水素化を行った。
特許文献1記載のジクロロルテニウム錯体を用いて塩基を添加した条件で、次の反応式により(R)-乳酸メチルの水素化を行った。
特許文献1記載のジクロロルテニウム錯体を用いて、次の反応式により(R)-乳酸メチルの水素化を行った。
N上に水素原子を有さず、代わりにエチル基を有するアミノジホスフィン配位子を有するルテニウムカルボニル錯体を用いて塩基を添加した条件で、次の反応式により(R)-乳酸メチルの水素化を行った。
N上に水素原子を有さず、代わりにエチル基を有するアミノジホスフィン配位子を有するルテニウムカルボニル錯体を用いて塩基を添加した条件で、次の反応式により(R)-乳酸メチルの水素化を行った。
非特許文献2に記載されているルテニウムカルボニル錯体19(STREM販売品)を用いて、次の反応式により(R)-乳酸メチルの水素化を行った。
非特許文献2に記載されているルテニウムカルボニル錯体19(STREM販売品)を用いて塩基を添加した条件で、前記した反応式で示される(R)-乳酸メチルの水素化を行った。
撹拌子を入れた100mlのオートクレーブに、(R)-乳酸メチル(10mmol)、錯体19(0.01mmol)、ナトリウムメトキシド(0.2mmol)、メタノール(8ml)を加え、水素圧5MPa、30℃で16時間水素化を行った。反応液をガスクロマトグラフィーで分析した結果、転化率5.8%、選択率21.5%であった。
非特許文献2に記載されているルテニウムカルボニル錯体19(STREM販売品)を用いて、溶媒としてメタノールに代えてテトラヒドロフラン(THF)を用いて、前記した反応式で示される(R)-乳酸メチルの水素化を行った。
撹拌子を入れた100mlのオートクレーブに、(R)-乳酸メチル(10mmol)、錯体19(0.01mmol)、テトラヒドロフラン(8ml)を加え、水素圧5MPa、100℃で16時間水素化を行った。反応液をガスクロマトグラフィーで分析した結果、転化率7.4%、選択率40.7%であった。
したがって、本発明のルテニウムカルボニル錯体、及びそれを用いたケトン類、エステル類及びラクトン類の水素化還元方法は、有機工業化学の分野において有用である。
Claims (18)
- 次の一般式(1)
RuXY(CO)(L) (1)
(一般式(1)中、X及びYは同一であっても異なっていてもよくアニオン性配位子を表し、Lは下記一般式(2)
Q1及びQ2は同一であっても異なっていてもよく、置換基を有していてもよい二価のアルキレン基、置換基を有していてもよい二価のシクロアルキレン基、又は置換基を有していてもよい二価のアラルキレン基を表す。)
で表される3座アミノジホスフィン配位子を表す。)
で表されるルテニウムカルボニル錯体。 - 一般式(4)におけるAr1、Ar2、Ar3、及びAr4が、置換基を有していてもよいフェニル基である請求項3に記載のルテニウムカルボニル錯体。
- 3座アミノジホスフィン配位子Lが、光学活性な3座アミノジホスフィン配位子である請求項1又は2に記載のルテニウムカルボニル錯体。
- 一般式(1)におけるXのアニオン性配位子がヒドリドであり、Yのアニオン性配位子が塩素イオンである請求項1~6のいずれかに記載のルテニウムカルボニル錯体。
- 一般式(1)におけるXのアニオン性配位子がヒドリドであり、Yのアニオン性配位子が、BH4 -である請求項1~6のいずれかに記載のルテニウムカルボニル錯体。
- 一般式(2)で表される3座アミノジホスフィン配位子LとRuXY(CO)(P(Ar5)3)3(式中、Ar5は、それぞれ同一であっても異なっていてもよく、置換基を有していてもよいアリール基を表す。)とを反応させて、一般式(1)で表されるルテニウムカルボニル錯体を製造する方法。
- Ar5が、フェニル基である請求項9に記載の方法。
- 一般式(2)で表される3座アミノジホスフィン配位子Lが、一般式(5)で表される3座アミノジホスフィン配位子Lである請求項9又は10に記載の方法。
- RuXY(CO)(P(Ar5)3)3が、RuHCl(CO)(PPh3)3である請求項9~11のいずれかに記載の方法。
- 請求項1~8のいずれかに記載のルテニウムカルボニル錯体の存在下、水素供与体を用いてケトン類を水素化還元するアルコールの製造方法。
- 請求項6~8のいずれかに記載のルテニウムカルボニル錯体の存在下、水素供与体を用いてケトン類を不斉水素化還元する光学活性アルコールの製造方法。
- 請求項1~8のいずれかに記載のルテニウムカルボニル錯体の存在下、水素供与体を用いてエステル類又はラクトン類を水素化還元するアルコールの製造方法。
- 請求項1~8のいずれかに記載のルテニウムカルボニル錯体の存在下、水素供与体を用いて光学活性エステル類又は光学活性ラクトン類を光学活性を保持したまま水素化還元する光学活性アルコールの製造方法。
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CN102177170B (zh) | 2014-06-11 |
CN102177170A (zh) | 2011-09-07 |
JPWO2011048727A1 (ja) | 2013-03-07 |
EP2492275A1 (en) | 2012-08-29 |
US8471048B2 (en) | 2013-06-25 |
EP2492275B1 (en) | 2017-08-23 |
US20110237814A1 (en) | 2011-09-29 |
EP2492275A4 (en) | 2014-10-22 |
JP5671456B2 (ja) | 2015-02-18 |
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