Process for preparing optically active alcohol

Details Process for preparing optically active alcohol Process for preparing optically active alcohol

1988-06-09

1990-06-12

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Esters having the thiocarboxylate group, -cx-, wherein the...

564201, 560179, 560 60, 560126, 560184, C07C10316, C07C 6966, C07C 6976, C07C 6974

Patent

active

049334824

ABSTRACT:
A process for preparing an optically active alcohol is disclosed, which comprises asymmetrically hydrogenating a .beta.-keto acid derivative in the presence of a ruthenium-optically active phosphine complex as a catalyst. The resulting alcohol has high optical purity.

REFERENCES:
patent: 4273933 (1981-06-01), Harada et al.
Chemical Abstracts, vol. 83, No. 13, Sep. 28, 1975 (Solodar), Entitled: "Asymmetric Hydrogenation of Ketones", p. 488, col. 2, No. 113 607k.
Chemical Abstracts, vol. 94, No. 15, Apr. 13, 1981, (Tai), Entitled: "Assymmetrically Modified Nickelcatalyst and Its Use of Optically Active 3-Hydroxy Acids", p. 631, column 1, No. 129 759s.
Title: "Asymmetric Hydrogenation of Ketones"; Chemtech Jul. 1975; pp. 421-423; Author-John Solodar.
Title: "Asymmetrically Modified Nickel Catalyst Its Application to the Preparation of Optically Active 3-Hydroxyacid", by Akira Tai, pp. 44-53, (1980), Yukagaku.

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