Asymmetric Synthesis of Chiral δ-lactones using BINAP-ruthenium(II) Complexes Hydrogenation Catalysts

Author:

Li Yanjun1,Izumi Taeko1

Affiliation:

1. Department of Chemistry and Chemical Engineering, Faculty of Engineering, Yamagata University, 3-16 Jonan 4-Chome, Yonezawa, 922-8510, Japan

Abstract

Asymmetric hydrogenation of keto-acids was accomplished by catalytic amounts of BINAP-ruthenium complexes to afford the corresponding δ-lactones in high yields. The optical purity of the synthesised δ-lactones was determined by chiralcel (OD) in the 9–56% range.

Publisher

SAGE Publications

Subject

General Chemistry

Reference34 articles.

1. SiegelS., Encyclopedia of Reagents for Organic Synthesis; PaquetteL.A., Ed. John Wiley & Sons: Chichester, 1996; Vol. 6, p 4410.

2. Homogeneous Hydrogenation

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