Process for the preparation of optically active aliphatic hydrox

Details Process for the preparation of optically active aliphatic hydrox Process for the preparation of optically active aliphatic hydrox

1991-09-11

1993-03-30

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560 16, 560 29, 560 56, 560 59, 560147, 560148, 560160, 560161, 560179, 560180, 560187, C07C 6976

Patent

active

051985691

ABSTRACT:
The asymmetric hydrogenation of aliphatic .alpha.-keto esters in the presence of rhodium catalysts which contain as chiral ligand a diphosphine of formula IV

REFERENCES:
R. Williams, Synthesis of Optically Active .alpha.-Amino Acids, Pergamon Press 1990, p. 196.
Homogeneous Catalysis with Metal Phosphine Complexes, B. Heil et al, Plenum Press N.Y. 1983 pp. 324-332.
Wissenschaftliche Zeitschrift THLM 27(6), pp. 746-750.
Pat. Abstr. of Jap. C2, No. 140, p. 3095 C78, Kokai No. 53-105420, Oct. 18, 1978.
Pat. Abstr. of Jap. C2, No. 140, p. 3095 C78, Kokai No. 53-105421, Oct. 18, 1978.

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