Enantiopure acylphosphites have been prepared based upon chiral nonsubstituted and 3,3'-disubstituted binaphthols in order to elucidate steric and electronic effects on the Rh(I)-catalyzed asymmetric hydrogenation of functionalized olefins. With these new types of ligands, up to 80% ee was obtained. Rate as well as enantio selectivity of the hydrogenation were strongly dependent on the precatalyst preparation and substitution pattern of the ligand. (C) 2004 Elsevier Ltd. All rights reserved.
机构:
Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organomet Chem, Shanghai 200032, Peoples R ChinaChinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organomet Chem, Shanghai 200032, Peoples R China
Liu, Y
Ding, KL
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Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organomet Chem, Shanghai 200032, Peoples R ChinaChinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organomet Chem, Shanghai 200032, Peoples R China
机构:
State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, ChinaState Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China
Liu, Yan
Ding, Kuiling
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State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, ChinaState Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China
Ding, Kuiling
1600,
American Chemical Society, Columbus, United States
(127):
机构:Hong Kong Polytech Univ, Inst Mol Technol Drug Discovery & Synth, Open Lab Chirotechnol, Hong Kong, Hong Kong, Peoples R China
Li, XS
Jia, X
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机构:Hong Kong Polytech Univ, Inst Mol Technol Drug Discovery & Synth, Open Lab Chirotechnol, Hong Kong, Hong Kong, Peoples R China
Jia, X
Lu, G
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机构:Hong Kong Polytech Univ, Inst Mol Technol Drug Discovery & Synth, Open Lab Chirotechnol, Hong Kong, Hong Kong, Peoples R China
Lu, G
Au-Yeung, TTL
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Au-Yeung, TTL
Lam, KH
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机构:Hong Kong Polytech Univ, Inst Mol Technol Drug Discovery & Synth, Open Lab Chirotechnol, Hong Kong, Hong Kong, Peoples R China
Lam, KH
Lo, TWH
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Lo, TWH
Chan, ASC
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Hong Kong Polytech Univ, Inst Mol Technol Drug Discovery & Synth, Open Lab Chirotechnol, Hong Kong, Hong Kong, Peoples R ChinaHong Kong Polytech Univ, Inst Mol Technol Drug Discovery & Synth, Open Lab Chirotechnol, Hong Kong, Hong Kong, Peoples R China