ChemInform Abstract: Synthesis and Application of New Chiral Ligands for the Asymmetric Borane Reduction of Prochiral Ketones.

R. HULST,H. HERES,N. C. M. W. PEPER,R. M. KELLOGG

Cheminform（2010）

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摘要

Two chiral nonracemic gamma-amino alcohols, ephedrine thiol and the corresponding (thio)-phosphoramidates and (thio)-phosphinamides have been examined as catalysts for the reduction of propiophenone by various boranes. Up to 95% e.e. can be obtained with the phosphorus derivatives. Copyright (C) 1996 Elsevier Science Ltd

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asymmetric borane reduction,new chiral ligands,ketones,synthesis

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