CN104402718B - 一种手性烯丙酯类化合物及其制备方法 - Google Patents
一种手性烯丙酯类化合物及其制备方法 Download PDFInfo
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- CN104402718B CN104402718B CN201410625251.9A CN201410625251A CN104402718B CN 104402718 B CN104402718 B CN 104402718B CN 201410625251 A CN201410625251 A CN 201410625251A CN 104402718 B CN104402718 B CN 104402718B
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- Prior art keywords
- iridium
- chiral
- allyl ester
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- ester type
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- -1 allyl ester Chemical class 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 150000001875 compounds Chemical class 0.000 title claims description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- 229910052741 iridium Inorganic materials 0.000 claims abstract description 32
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000003054 catalyst Substances 0.000 claims abstract description 20
- 239000003446 ligand Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000654 additive Substances 0.000 claims abstract description 11
- 150000007942 carboxylates Chemical class 0.000 claims abstract description 9
- 239000003960 organic solvent Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 32
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 18
- 238000005937 allylation reaction Methods 0.000 claims description 13
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 12
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 229910052717 sulfur Inorganic materials 0.000 claims description 12
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 11
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 11
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 8
- 238000004809 thin layer chromatography Methods 0.000 claims description 8
- 229910052723 transition metal Inorganic materials 0.000 claims description 8
- 230000000996 additive effect Effects 0.000 claims description 7
- 238000004440 column chromatography Methods 0.000 claims description 7
- ORBBTCHHNMWMCP-UHFFFAOYSA-K cycloocta-1,5-diene trichloroiridium Chemical class [Ir](Cl)(Cl)Cl.C1=CCCC=CCC1 ORBBTCHHNMWMCP-UHFFFAOYSA-K 0.000 claims description 7
- 150000003624 transition metals Chemical class 0.000 claims description 7
- 239000004912 1,5-cyclooctadiene Substances 0.000 claims description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- AIYUHDOJVYHVIT-UHFFFAOYSA-M caesium chloride Chemical compound [Cl-].[Cs+] AIYUHDOJVYHVIT-UHFFFAOYSA-M 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Chemical compound [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 125000005865 C2-C10alkynyl group Chemical group 0.000 claims description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims description 4
- FPGGTKZVZWFYPV-UHFFFAOYSA-M tetrabutylammonium fluoride Chemical compound [F-].CCCC[N+](CCCC)(CCCC)CCCC FPGGTKZVZWFYPV-UHFFFAOYSA-M 0.000 claims description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 3
- VYXHVRARDIDEHS-UHFFFAOYSA-N 1,5-cyclooctadiene Chemical compound C1CC=CCCC=C1 VYXHVRARDIDEHS-UHFFFAOYSA-N 0.000 claims description 3
- 125000002252 acyl group Chemical group 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- DANYXEHCMQHDNX-UHFFFAOYSA-K trichloroiridium Chemical group Cl[Ir](Cl)Cl DANYXEHCMQHDNX-UHFFFAOYSA-K 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 229910052740 iodine Inorganic materials 0.000 claims description 2
- 239000012046 mixed solvent Substances 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 239000002798 polar solvent Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910000160 potassium phosphate Inorganic materials 0.000 claims description 2
- 235000011009 potassium phosphates Nutrition 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 claims description 2
- 238000005292 vacuum distillation Methods 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 4
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims 2
- 229910021529 ammonia Inorganic materials 0.000 claims 2
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- USTUVNUWGKFAQY-UHFFFAOYSA-K [Ir](Cl)(Cl)Cl.C1(=CC=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1.C(=O)(NC(=O)OCC)NC(=O)OCC Chemical compound [Ir](Cl)(Cl)Cl.C1(=CC=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1.C(=O)(NC(=O)OCC)NC(=O)OCC USTUVNUWGKFAQY-UHFFFAOYSA-K 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 150000001721 carbon Chemical group 0.000 claims 1
- 150000001734 carboxylic acid salts Chemical class 0.000 claims 1
- 210000004247 hand Anatomy 0.000 claims 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims 1
- 229910001494 silver tetrafluoroborate Inorganic materials 0.000 claims 1
- CMXPERZAMAQXSF-UHFFFAOYSA-M sodium;1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate;1,8-dihydroxyanthracene-9,10-dione Chemical compound [Na+].O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=CC=C2O.CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC CMXPERZAMAQXSF-UHFFFAOYSA-M 0.000 claims 1
- 125000003944 tolyl group Chemical group 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 15
- 238000003786 synthesis reaction Methods 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 229930014626 natural product Natural products 0.000 abstract description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 39
- 239000000047 product Substances 0.000 description 33
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 26
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 26
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 25
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 239000007788 liquid Substances 0.000 description 14
- 230000003197 catalytic effect Effects 0.000 description 13
- 238000001514 detection method Methods 0.000 description 13
- 239000011734 sodium Substances 0.000 description 13
- 239000003208 petroleum Substances 0.000 description 11
- 229910052786 argon Inorganic materials 0.000 description 8
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 7
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 6
- 125000001072 heteroaryl group Chemical group 0.000 description 4
- 125000000623 heterocyclic group Chemical group 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000000543 intermediate Substances 0.000 description 4
- 235000011056 potassium acetate Nutrition 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical group C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 4
- 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 4
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 3
- 238000006717 asymmetric allylation reaction Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 125000004185 ester group Chemical group 0.000 description 3
- 125000004494 ethyl ester group Chemical group 0.000 description 3
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 3
- 239000012038 nucleophile Substances 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 125000006702 (C1-C18) alkyl group Chemical group 0.000 description 2
- XTFIVUDBNACUBN-UHFFFAOYSA-N 1,3,5-trinitro-1,3,5-triazinane Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)C1 XTFIVUDBNACUBN-UHFFFAOYSA-N 0.000 description 2
- OSDWBNJEKMUWAV-UHFFFAOYSA-N Allyl chloride Chemical compound ClCC=C OSDWBNJEKMUWAV-UHFFFAOYSA-N 0.000 description 2
- 125000006374 C2-C10 alkenyl group Chemical group 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000007036 catalytic synthesis reaction Methods 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- BEPAFCGSDWSTEL-UHFFFAOYSA-N dimethyl malonate Chemical compound COC(=O)CC(=O)OC BEPAFCGSDWSTEL-UHFFFAOYSA-N 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- IFYYFLINQYPWGJ-UHFFFAOYSA-N gamma-decalactone Chemical compound CCCCCCC1CCC(=O)O1 IFYYFLINQYPWGJ-UHFFFAOYSA-N 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 238000010898 silica gel chromatography Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KIJVFSLXNWLMOW-VOTSOKGWSA-N (e)-1-chlorooct-2-ene Chemical compound CCCCC\C=C\CCl KIJVFSLXNWLMOW-VOTSOKGWSA-N 0.000 description 1
- JOPXMYWJAOKRHB-UHFFFAOYSA-N 1-chloro-4-methylpent-2-ene Chemical compound CC(C)C=CCCl JOPXMYWJAOKRHB-UHFFFAOYSA-N 0.000 description 1
- UPJCRKZUCADENN-UHFFFAOYSA-N 1-chloropent-2-ene Chemical compound CCC=CCCl UPJCRKZUCADENN-UHFFFAOYSA-N 0.000 description 1
- VAPQAGMSICPBKJ-UHFFFAOYSA-N 2-nitroacridine Chemical compound C1=CC=CC2=CC3=CC([N+](=O)[O-])=CC=C3N=C21 VAPQAGMSICPBKJ-UHFFFAOYSA-N 0.000 description 1
- QENBJCMCPIVGMF-UHFFFAOYSA-N 2-nitrobenzenesulfonohydrazide Chemical compound NNS(=O)(=O)C1=CC=CC=C1[N+]([O-])=O QENBJCMCPIVGMF-UHFFFAOYSA-N 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-M 3-Methylbutanoic acid Natural products CC(C)CC([O-])=O GWYFCOCPABKNJV-UHFFFAOYSA-M 0.000 description 1
- NYPYPOZNGOXYSU-UHFFFAOYSA-N 3-bromopyridine Chemical compound BrC1=CC=CN=C1 NYPYPOZNGOXYSU-UHFFFAOYSA-N 0.000 description 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
- HVCFWAAEZWZPKO-GFCCVEGCSA-N CC(C)CC(O[C@H](C=C)c1cccnc1)=O Chemical compound CC(C)CC(O[C@H](C=C)c1cccnc1)=O HVCFWAAEZWZPKO-GFCCVEGCSA-N 0.000 description 1
- VGSCGPYUCPWRQY-LBPRGKRZSA-N CC(O[C@@H](C=C)c(cc1)ccc1OC)=O Chemical compound CC(O[C@@H](C=C)c(cc1)ccc1OC)=O VGSCGPYUCPWRQY-LBPRGKRZSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 229910021638 Iridium(III) chloride Inorganic materials 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- QOSMNYMQXIVWKY-UHFFFAOYSA-N Propyl levulinate Chemical compound CCCOC(=O)CCC(C)=O QOSMNYMQXIVWKY-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- IWTYTFSSTWXZFU-QPJJXVBHSA-N [(e)-3-chloroprop-1-enyl]benzene Chemical compound ClC\C=C\C1=CC=CC=C1 IWTYTFSSTWXZFU-QPJJXVBHSA-N 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 238000005865 alkene metathesis reaction Methods 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 150000004808 allyl alcohols Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- XLCNHLXQKYRGKZ-JJKGCWMISA-N azanium;(2r,3s,4r,5r)-2,3,4,5,6-pentahydroxyhexanoate Chemical compound N.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O XLCNHLXQKYRGKZ-JJKGCWMISA-N 0.000 description 1
- PNPBGYBHLCEVMK-UHFFFAOYSA-N benzylidene(dichloro)ruthenium;tricyclohexylphosphanium Chemical compound Cl[Ru](Cl)=CC1=CC=CC=C1.C1CCCCC1[PH+](C1CCCCC1)C1CCCCC1.C1CCCCC1[PH+](C1CCCCC1)C1CCCCC1 PNPBGYBHLCEVMK-UHFFFAOYSA-N 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- VSPLSJCNZPDHCN-UHFFFAOYSA-M carbon monoxide;iridium;triphenylphosphane;chloride Chemical compound [Cl-].[Ir].[O+]#[C-].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 VSPLSJCNZPDHCN-UHFFFAOYSA-M 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- RXPAYNWWOUGGHI-UHFFFAOYSA-K cycloocta-1,5-diene;rhodium(3+);trichloride Chemical class Cl[Rh](Cl)Cl.C1CC=CCCC=C1 RXPAYNWWOUGGHI-UHFFFAOYSA-K 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011985 first-generation catalyst Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 1
- WIAVVDGWLCNNGT-UHFFFAOYSA-M lithium;butanoate Chemical compound [Li+].CCCC([O-])=O WIAVVDGWLCNNGT-UHFFFAOYSA-M 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- UJYZRNWTLPBNOR-UHFFFAOYSA-N prop-2-enyl 2,2,2-trichloroethanimidate Chemical compound ClC(Cl)(Cl)C(=N)OCC=C UJYZRNWTLPBNOR-UHFFFAOYSA-N 0.000 description 1
- DZMOLBFHXFZZBF-UHFFFAOYSA-N prop-2-enyl dihydrogen phosphate Chemical class OP(O)(=O)OCC=C DZMOLBFHXFZZBF-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- JABYJIQOLGWMQW-UHFFFAOYSA-N undec-4-ene Chemical compound CCCCCCC=CCCC JABYJIQOLGWMQW-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明涉及一种手性烯丙酯类化合物及其制备方法,所述的手性烯丙酯类化合物的结构式如下:
Description
技术领域
本发明属于有机化学合成技术领域,涉及一种手性烯丙酯类化合物及其制备方法,尤其涉及一种以手性铱络合物作为催化剂,通过烯丙基卤化物及羧酸盐高区域选择性和高对映选择性合成手性烯丙基酯类化合物的方法。
背景技术
手性烯丙酯及其水解产物手性烯丙醇类化合物是一类高生物活性的化合物。作为众多有机化合物的重要片段,广泛应用于有机化学、医药、农药、化工等领域。
目前,手性烯丙酯主要通过动力学拆分来制备(Y.Gao,R.M.Hanson,J.M.Klunder,H.Masamune,K.B.Sharpless,J.Am.Chem.Soc.1987,109,5165-5180)。通过不对称催化的方法直接合成光学纯的烯丙酯的研究数量不多。
2010年,Onitsuka报道了钌催化烯丙基氯作底物的烯丙基化反应,高效获得手性烯丙酯(N.Kanbayashi,K.J.Onitsuka,Am.Chem.Soc.2010,132,1206-1207),然而,该反应的催化剂制备需要10步以上的精细操作,严重妨碍了其实际应用。钌催化剂的制备参考:(a)Hatanaka,M.et al.J.Chem.Soc.,Perkin Trans.1993,19,2269.(b)Komatsuzaki,N.etal.Chem.Lett.1996,8,677.(c)Dodo,N.et al.J.Chem.Soc.,Dalton Trans.2000,35,734.(d)Matsushima,Y.et al.Bull.Chem.Soc.Jpn.2001,73,527.(e)Trost,B.M.et al.Asimplified version of the Onitsuka catalyst and a few examples ofesterification with aryl allyl substrates,which gave 88-93%ee.J.Am.Chem.Soc.2013,135,18697。2005年起,Overman就钯催化下烯丙基三氯乙酰亚胺酯作底物的烯丙基化反应进行了报道。然而,该方法仅适用于顺式烯丙基三氯乙酰亚胺酯底物,Sp2杂化的诸如芳基、烯基等底物均不适用,从而使该类反应具有较大的局限性((a)Kirsch,S.F.;Overman,L.E.J.Am.Chem.Soc.2005,127,2866.(b)Cannon,J.S;.Kirsch,S.F.;Overman,L.E.J.Am.Chem.Soc.2010,132,15185)。
该领域的研究较少的原因主要在于,烯丙基化反应所得产物烯丙酯具有较高的反应活性。由于酯基是常见的离去基团,反应的产物也可作为烯丙基化反应的原料,进一步参与反应,严重降低反应的产率及对映选择性(Qu,J.P.;Roβber,L.;Helmchen,G.J.Am.Chem.Soc.2014,136,1272)。
最近,Helmchen首次报道了利用单取代的的烯丙基磷酸酯底物,在铱催化的条件下,通过烯丙基化反应制备手性烯丙酯的反应方法(Qu,J.P.;Roβber,L.;Helmchen,G.J.Am.Chem.Soc.2014,136,1272)。然而,与之前的研究相同,对于反应活性更高的烯丙基卤化物作底物时,反应难以获得理想的对映选择性,例如,烯丙基氯作底物时光学纯度仅为57%((a)Bartels,B.;Yebra,C.;Rominger,F.Helmchen,G.Eur.J.Inorg.Chem.2002,34,2569.(b)Madrahimovand,S.T.;Hartwig,J.F.J.Am.Chem.Soc.2012,134,8136)。
由此可见,现有的烯丙酯的不对称催化合成方法,不仅目标产物收率低,而且目标产物的光学纯度也低,因此难于规模化应用。
发明内容
本发明的目的就是为了克服上述现有技术存在的缺陷而提供一种新型手性烯丙酯类化合物的不对称催化合成方法,即在新型铱络合物催化体系的催化条件下,通过烯丙基卤化物和羧酸盐的不对称烯丙基化反应,来制备手性烯丙酯类化合物。
本发明的目的可以通过以下技术方案来实现:
一种手性烯丙酯类化合物,该化合物的分子式如下:
其中*为手性碳原子,R1选自C1-C16的烷基或C4-C10的含N、O、S的杂环基或C4-C10的含N、O、S的杂芳基或芳基,R2选自H或C1-C17的烷基或C2-C10的烯基或C2-C10的炔基或C4-C10的含N、O、S的杂环基或C4-C10的含N、O、S的杂芳基或芳基。
所述的芳基是苯基或萘基。
一种手性烯丙酯类化合物的制备方法,该方法是在有机溶剂中,无水无氧的条件下,以羧酸盐和烯丙基卤化物为原料,加入以铱络合物与配体作用生成的铱催化剂,并加入添加剂,控制反应温度为0~120℃,反应1~36h,分离,即制备得到手性烯丙酯类化合物;
反应式如下:
其中,L为手性配体,Add.为各种添加剂及组合,Sol.为有机溶剂,T为反应温度,X为卤素原子;
所述的烯丙基卤化物的结构式如下:
其中R1任意选自C1-C16的烷基或C4-C10的含N、O、S的杂环基或C4-C10的含N、O、S的杂芳基或芳基;X任意选自F或Cl或Br或I;
所述的羧酸盐为亲核试剂,其结构式为R2COOM,其中R2任意选自H或C1-C17的烷基或C2-C10的烯基或C2-C10的炔基或C4-C10的含N、O、S的杂环基或C4-C10的含N、O、S的杂芳基或芳基;所述的芳基是苯基或萘基;M为元素周期表中第一主族的碱金属及第二主族的碱土金属;
所述的烯丙基卤化物、羧酸盐、铱催化剂、添加剂的摩尔比为(1~2)∶1∶(0.01~0.04)∶(1~5)。
所述的手性烯丙酯类化合物通过精馏、萃取、结晶、树脂吸附、膜分离、薄层层析、柱层析或减压蒸馏的方法来分离。
所述的薄层层析、柱层析采用的展开剂为非极性溶剂与极性溶剂的混合溶剂,其体积比为(30~100)∶1,优选石油醚/乙酸乙酯=(30~100)∶1,石油醚/二氯甲烷=(30~60)∶1。
所述的铱催化剂是通过在有机溶剂中,0~120℃,以过渡金属铱络合物、配体及添加剂为原料,搅拌反应0.2h~2h制备而成;
所述的过渡金属铱络合物为氯化铱、羰基二(三苯基膦)氯化铱、1,5-环辛二烯氯化铱二聚体、1,5-环辛二烯(H5-茚)铱、二苯并1,5-环辛二烯氯化铱二聚体、酰二氢三(三苯基膦)铱中的任意一种;
所述的配体为光学纯配体L或光学纯配体,结构式如下:
或其对映异构体;
所述的过渡金属铱络合物、配体及添加剂的摩尔比为1∶(1~3)∶(1~5)。
所述的有机溶剂为甲苯、二甲基亚砜、二氯甲烷、四氢呋喃、N,N-二甲基甲酰胺、二氧六环或乙腈中的一种或几种的组合。
所述的添加剂选自1,4-二氮杂二环[2.2.2]辛烷、1,8-二氮杂二环[5.4.0]十一碳-7-烯、磷酸钾、氯化钾、氯化锂、氯化钠、碳酸铯、氟化铯、氯化铯、氯化锂、溴化银或四正丁基氟化铵中的一种或几种的组合以及NR3R4结构的氨类;所述的NR3R4结构的氨类中的R3选自C1-C18的烷基,R4选自H或C1-C18烷基。
所述的铱催化剂直接用于催化烯丙基化反应或加入银盐制成稳定的烯丙基络合物,所述的银盐为AgBF4或AgF6Sb。
实验过程中获得了催化活性中间体,对其的结构分析表明,其与氮原子相连的苯环上Sp2杂化的氢发生了活化,插入金属铱中,形成了新的催化中间体,结构式如下:
进而能够克服在原有铱催化条件下,活泼的烯丙基卤化物作底物时,反应产率低、对映选择性差的问题,取得了良好的产率、区域及对映选择性。
本发明合成的手性烯丙基酯类化合物是众多有机化合物的重要片段,广泛应用于有机化学、医药、农药、化工等领域,例如,可以用于制备(S)-1-异丙基烯丙基正丁酯等未见报道的新化合物;采用含有不饱和键的亲核试剂,可以通过烯烃复分解反应关环,制备含有手性环状内酯的各类有机结构;还可以直接用于手性保留的烯丙基化反应,构筑多样的手性中心。
本发明提供了以全新的过渡金属铱络合物作为催化剂,由羧酸盐亲核试剂和烯丙基卤化物发生烯丙基化反应,高效合成烯丙基酯类化合物的方法。首次实现了过渡金属铱催化体系下,活泼的烯丙基卤化物作底物的不对称烯丙基化反应。催化剂易得、催化活性高、条件温和、底物适用范围广,具有广阔的应用前景。
本发明开发了新颖的铱催化体系,合成了一系列现有方法难以制备的新型烯丙酯类化合物,克服了铱催化条件下活泼的烯丙基卤化物作底物时,反应的产率低、对映选择性差的问题。
与现有技术相比,本发明的制备方法具有产率高、区域选择性好、对映选择性高等特点,可用于含手性烯丙酯基团的化合物的合成,为药物及天然产物的合成提供了新的合成方法,同时,酯基水解所得的光学纯的烯丙醇是重要的活性结构,也可作为中间体进行一系列转化;另外,手性烯丙酯是烯丙基化反应中最为常见的反应底物,可将其进行多样的转化,从而丰富了有机合成方法学的研究进展。
具体实施方式
下面结合具体实施例对本发明进行详细说明。
新型铱络合物催化体系下,烯丙基卤化物与羧酸盐的不对称烯丙基化反应,其反应方程式为:
式中,Add.为添加剂,Sol.为溶剂,T为温度。当R1、R2不同时,具体实施例如下:
实施例1:
在一干燥的氩气保护的反应管内,依次加入二苯并1,5-环辛二烯氯化铱二聚体0.002mmol、手性配体L 0.004mmol、1,4-二氮杂二环[2.2.2]辛烷0.002mmol和二氧六环1mL,30℃下反应0.2h,制备得到铱催化剂。
向催化体系中加入醋酸钾0.2mmol,再加入烯丙基卤化物0.22mmol、KCl 0.2mmol、THF 2.0mL,室温搅拌6h,反应结束后,过硅藻土砂芯,减压除去溶剂,产物经柱层析得到目标产物1(石油醚/乙酸乙酯=40/1)。
目标产物1:(S)-1-苯基烯丙基乙酯
黄色液体,91%收率,94%ee[手性柱OJ-H(0.46cm x 25cm);正己烷/异丙醇=95/5;流速=0.6mL/min;检测波长=214nm;tR=21.012(minor),23.24l(major)min]。
HRMS(ESI+)calcd for C11H12NaO2[M+Na]+:199.0735,Found:199.0733.
实施例2:
在一干燥的氩气保护的反应管内,依次加入1,5-环辛二烯(H5-茚)铱0.001mmol、手性配体L 0.002mmol、异丙胺0.002mmol和四氢呋喃1mL,40℃下反应0.4h。
向催化体系中加入醋酸钾0.2mmol,再加入烯丙基卤化物0.4mmol、CsCl 0.2mmol、乙醚2.0mL,室温搅拌2h,反应结束后,过滤,再经蒸馏除低沸物即得到目标产物2。
目标产物2:(S)-1-对甲氧基苯基烯丙基乙酯
黄色液体,92%收率,95%ee[手性柱OJ-H(0.46cm x 25cm);正己烷/异丙醇=95/5;流速=0.6mL/min;检测波长=214nm;tR=18.12(minor),19.24(major)min]。
HRMS(ESI+)calcd for C11H12NaO2[M+Na]+:229.0841,Found:229.0844.
实施例3:
在一干燥的氩气保护的反应管内,依次加入1,5-环辛二烯氯化铱二聚体0.0015mmol、手性配体L 0.003mmol、1,8-二氮杂二环[5.4.0]十一碳-7-烯0.003mmol和THF1.5mL,80℃下反应0.5h。
向催化体系中加入醋酸钠0.2mmol,再加入烯丙基卤化物0.4mmol、CsF 0.2mmol、乙腈2.0mL,120℃搅拌2h,反应结束后,过硅藻土砂芯,减压除去溶剂,加5mL环己烷在5℃下重结晶即得到目标产物3。
目标产物3:(S)-1-对甲基苯基烯丙基乙酯
无色液体,93%收率,91%ee[手性柱OJ-H(0.46cm x 25cm);正己烷/异丙醇=95/5;流速=0.6mL/min:检测波长=214nm;1R=11.52(minor),12.93(major)min]。
HRMS(ESI+)calcd for C11H12NaO2[M+Na]+:213.0891,Found:213.0864.
实施例4:
在一干燥的氩气保护的反应管内,依次加入三氯化铱0.002mmol、手性配体L0.004mmol、正丁胺2mL和THF 1mL,40℃下反应0.5h。
向催化体系中加入醋酸钾0.2mmol,再加入烯丙基卤化物0.4mmol、CsCl 0.2mmol、甲苯2.0mL,10℃搅拌12h,反应结束后,过硅藻土砂芯,减压除去溶剂,产物经柱层析得到目标产物4(石油醚/乙酸乙酯=80/1)。
目标产物4:(S)-1-间溴苯基烯丙基乙酯
黄色液体,83%收率,89%ee[手性柱OJ-H(0.46cm x 25cm);正己烷/异丙醇=95/5;流速=0.6mL/min:检测波长=214nm;tR=10.12(minor),12.24(major)min]。
HRMS(ESI+)calcd for C11H12NaO2[M+Na]+:276.9840,Found:276.9900.
实施例5:
在一干燥的氩气保护的反应管内,依次加入酰二氢三(三苯基膦)铱0.001mmol、手性配体L 0.003mmol、异丙胺2mL和THF 1mL,90℃下反应1.5h。
向催化体系中加入醋酸钾0.2mmol,再加入烯丙基卤化物0.4mmol、LiCl 0.5mmol、二氯甲烷2.0mL,120℃搅拌6h,反应结束后,过硅藻土砂芯,减压除去溶剂,产物经柱层析得到目标产物5(石油醚/乙酸乙酯=30/1)。
目标产物5:(S)-1-对溴苯基烯丙基乙酯
黄色液体,92%收率,94%ee[手性柱OJ-H(0.46cm x 25cm);正己烷/异丙醇=95/5;流速=0.6mL/min;检测波长=214nm;tR=9.98(minor),11.06(major)min]。
HRMS(ESI+)calcd for C11H12NaO2[M+Na]+:276.9840,Found:276.9840.
实施例6:
在一干燥的氩气保护的反应管内,依次加入1,5-环辛二烯氯化铱二聚体0.001mmol、手性配体L 0.003mmol、异丙胺2mL和甲苯1mL,90℃下反应1.5h。
向催化体系中加入正丁酸锂0.2mmol,再加入4-甲基-1-氯-2-戊烯0.4mmol、1,4-二氮杂二环[2.2.2]辛烷0.5mmol、二氯甲烷5.0mL,0℃搅拌18h,反应结束后,过硅藻土砂芯,溶液中加去离子水5mL萃取,有机相减压蒸干溶剂即到目标产物7。
目标产物6:(S)-1-异丙基烯丙基正丁酯
黄色液体,82%收率,84%ee[手性柱OJ-H(0.46cm x 25cm);正己烷/异丙醇=95/5;流速=0.8mL/min;检测波长=214nm;tR=19.88(minor),21.36(major)min]。
HRMS(ESI+)calcd for C11H12NaO2[M+Na]+:193.1199,Found:193.1200.
实施例7:
在一干燥的氩气保护的反应管内,依次加入1,5-环辛二烯氯化铱二聚体0.001mmol、手性配体L 0.001mmol、和1,4-二氮杂二环[2.2.2]辛烷2mL、THF 1mL,20℃下反应2h。
向催化体系中加入1-噻吩酸钠0.2mmol,再加1-氯-2-戊烯0.4mmol、LiCl0.5mmol、二氯甲烷2.0mL,0℃搅拌36h,反应结束后,过硅藻土砂芯,减压除去溶剂,产物经柱层析得到目标产物8(石油醚/乙酸乙酯=90/1)。
目标产物7:(R)-1-乙基基烯丙基噻吩酯
黄色液体,75%收率,82%ee[手性柱OJ-H(0.46cm x 25cm);正己烷/异丙醇=98/2;流速=1.0mL/min;检测波长=214nm;tR=11.65(minor),15.69(major)min]。
HRMS(ESI+)calcd for C11H12NaO2[M+Na]+:219.0450,Found:219.0448.
实施例8:
在一干燥的氩气保护的反应管内,依次加入1.5-环辛二烯氯化铱二聚体0.001mmol、手性配体L 0.002mmol、1,8-二氮杂二环[5.4.0]十一碳-7-烯0.01mmol和乙腈1mL,90℃下反应0.5h。
向催化体系中加入异戊酸铯0.2mmol,再加入3-吡啶基溴0.25mmol、KCl 0.5mmol、四氢呋喃2.0mL,0℃搅拌25h,反应结束后,过硅藻土砂芯,减压除去溶剂,产物经柱层析得到目标产物9(石油醚/乙酸乙酯=90/1)。
目标产物8:(R)-1-吡啶基烯丙基异丁酯
黄色液体,85%收率,72%ee[手性柱OJ-H(0.46cm x 25cm);正己烷/异丙醇=99/1;流速=1.0mL/min;检测波长=214nm;tR=13.29(minor),15.41(major)min]。
HRMS(ESI+)calcd for C11H12NaO2[M+Na]+:242.1151,Found:242.1150.
实施例9:
在一干燥的氩气保护的反应管内,依次加入二苯并1,5-环辛二烯氯化铱二聚体0.001mmol、手性配体L 0.002mmol、1,8-二氮杂二环[5.4.0]十一碳-7-烯0.005mmol和四氢呋喃1mL,90℃下反应0.5h。
向催化体系中加入丙烯酸钾0.4mmol,再加入肉桂基氯0.6mmol、NaCl1.6mmol、四氢呋喃2.0mL,25℃搅拌2h,反应结束后,过硅藻土砂芯,减压除去溶剂,产物经柱层析得到目标产物9(石油醚/乙酸乙酯=90/1)。
目标产物9:(R)-1-苯基烯丙基丙烯酯
黄色液体,75%收率,82%ee[手性柱OJ-H(0.46cm x 25cm);正己烷/异丙醇=98/2;流速=0.6mL/min;检测波长=214nm;tR=15.77(minor),25.41(major)min]。
HRMS(ESI+)calcd for C12H12NaO2[M+Na]+:211.0730,Found:211.0740.
实施例10:
采用本发明手性烯丙酯的制备方法,可用于合成一系列活性中间体,下面以癸内酯为例,叙述合成过程。
在一干燥的氩气保护的反应管内,依次加入1,5-环辛二烯氯化铱二聚体0.001mmol、手性配体L 0.002mmol、正丙氨0.005mmol和四氢呋喃1mL,50℃下反应0.6h。
向催化体系中加入丁烯酸钾0.4mmol,再加入1-氯-2-辛烯0.4mmol、2mmol KCl、四氢呋喃2.0mL,35℃搅拌12h,反应结束后,过硅藻土砂芯,减压除去溶剂,产物经柱层析得到中间产物10a(石油醚/乙酸乙酯=90/1)。
黄色液体,68%收率,92%ee[手性柱OJ-H(0.46cm x 25cm);正己烷/异丙醇=98/2;流速=0.6mL/min;检测波长=214nm;tR=18.89(minor),20.44(major)min]。
HRMS(ESI+)calcd for C12H20NaO2[M+Na]+:219.1356,Found:219.1356.
取10a 0.1mmol溶于4mL二氯甲烷,加入Grubbs一代催化剂0.004mmol,反应在氩气保护下加热回流过夜,TLC追踪反应进程。反应结束后,冷至室温,真空悬干。产物过硅胶色谱柱(石油醚∶乙酸乙酯=5∶1)得到产物10b。
黄色液体,86%收率,90%ee[手性柱AD-H(0.46cm x 25cm);正己烷/异丙醇=90/10;流速=1.0mL/min;检测波长=214nm;tR=19.56(minor),21.82(major)min]。
HRMS(ESI+)calcd for C10H16NaO2[M+Na]+:191.1043,Found:191.1044.
取10b 0.1mmol溶于4mL四氢呋喃,室温加入NBSH 0.12mmol,TLC追踪反应进程.。反应结束后,减压旋干。产物过硅胶色谱柱(石油醚∶乙酸乙酯=10∶1)得到还原的目标产物葵内酯10c。
黄色液体,86%收率,90%ee[手性柱AD-H(0.46cm x 25cm);正己烷/异丙醇=90/10;流速=1.0mL/min;检测波长=214nm;tR=19.56(minor),21.82(major)min]。
HRMS(ESI+)calcd for C10H18NaO2[M+Na]+:193.1199,Found:193.1199.
实施例11:
由于所合成的手性烯丙醇酯本身就是烯丙基化反应良好的反应底物,可将其直接用于手性保留的烯丙基化反应。依据Takeuchi的方法(Takeuchi,R.,Kitamura,N.NewJ.Chem.,1998,17,659),设计了铑催化丙二酸二甲酯的烯丙基化反应,高效合成出高光学纯度的目标产物。
反应方程式如下:
在氩气保护下,向三口瓶内加入实施实例1所制备的1(S)-1-苯基烯丙基乙酯(1mmol,94%ee)、亚磷酸三苯酯0.12mmol、1,5-环辛二烯氯化铑二聚体0.02mmol,溶于5mLTHF。在另一个氩气保护的反应瓶内,加入2mmol丙二酸二甲酯、2mmol NaH、5mL THF,搅拌至溶液澄清。将所得清液用针筒转移至之前的反应瓶内,加热回流1h。TLC追踪反应进程,反应结束后,加入水和乙酸乙酯分液,水相用乙酸乙酯再萃取一遍,合并有机相,旋干有机相,过硅胶色谱柱(石油醚∶乙酸乙酯=98∶2)得到还原的目标产物11。
黄色液体,88%收率,90%ee[手性柱AD-H(0.46cm x 25cm);正己烷/异丙醇=95/5;流速=1.0mL/min;检测波长=214nm;tR=15.66(minor),18.22(major)min]。
HRMS(ESI+)calcd for C14H16NaO4[M+Na]+:271.0941,Found:271.0941.
Claims (6)
1.一种手性烯丙酯类化合物的制备方法,其特征在于,该化合物的分子式如下:
其中*为手性碳原子,R1选自C1-C16的烷基或C4-C10的含N、O、S的杂环基,R2选自H或C1-C17的烷基或C2-C10的烯基或C2-C10的炔基或C4-C10的含N、O、S的杂环基;
所述的手性烯丙酯类化合物的制备方法为:在有机溶剂中,无水无氧的条件下,以羧酸盐和烯丙基卤化物为原料,加入以铱络合物与配体作用生成的铱催化剂,并加入添加剂,控制反应温度为0~120℃,反应1~36h,分离,即制备得到手性烯丙酯类化合物;
所述的烯丙基卤化物的结构式如下:
其中R1任意选自C1-C16的烷基或C4-C10的含N、O、S的杂环基;X任意选自F或Cl或Br或I;
所述的羧酸盐的结构式为R2COOM,其中R2任意选自H或C1-C17的烷基或C2-C10的烯基或C2-C10的炔基或C4-C10的含N、O、S的杂环基;M为元素周期表中第一主族的碱金属;
所述的铱催化剂是通过在有机溶剂中,0~120℃,以过渡金属铱络合物、配体及添加剂为原料,搅拌反应0.2h~2h制备而成;
所述的过渡金属铱络合物为氯化铱、羰基二(三苯基膦)氯化铱、1,5-环辛二烯氯化铱二聚体、1,5-环辛二烯(H5-茚)铱、二苯并1,5-环辛二烯氯化铱二聚体、酰二氢三(三苯基膦)铱中的任意一种;
所述的配体为光学纯配体L,结构式如下:
或其对映异构体;
所述的过渡金属铱络合物、配体及添加剂的摩尔比为1:(1~3):(1~5)。
2.根据权利要求1所述的一种手性烯丙酯类化合物的制备方法,其特征在于,所述的手性烯丙酯类化合物通过精馏、萃取、结晶、树脂吸附、膜分离、薄层层析、柱层析或减压蒸馏的方法来分离。
3.根据权利要求1所述的一种手性烯丙酯类化合物的制备方法,其特征在于,所述的薄层层析、柱层析采用的展开剂为非极性溶剂与极性溶剂的混合溶剂,其体积比为(30~100):1。
4.根据权利要求1所述的一种手性烯丙酯类化合物的制备方法,其特征在于,所述的有机溶剂为甲苯、二甲基亚砜、二氯甲烷、四氢呋喃、N,N-二甲基甲酰胺、二氧六环或乙腈中的一种或几种的组合。
5.根据权利要求1所述的一种手性烯丙酯类化合物的制备方法,其特征在于,所述的添加剂选自1,4-二氮杂二环[2.2.2]辛烷、1,8-二氮杂二环[5.4.0]十一碳-7-烯、磷酸钾、氯化钾、氯化锂、氯化钠、碳酸铯、氟化铯、氯化铯、氯化锂、溴化银或四正丁基氟化铵中的一种或几种的组合以及NR3R4结构的氨类;所述的NR3R4结构的氨类中的R3选自C1-C18的烷基,R4选自H或C1-C18烷基。
6.根据权利要求1所述的一种手性烯丙酯类化合物的制备方法,其特征在于,所述的铱催化剂直接用于催化烯丙基化反应或加入银盐制成稳定的烯丙基络合物,所述的银盐为AgBF4或AgF6Sb中的一种。
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