Method for the asymmetric hydrogenation of .alpha.-ketoesters

Details Method for the asymmetric hydrogenation of .alpha.-ketoesters Method for the asymmetric hydrogenation of .alpha.-ketoesters

1980-02-25

1982-05-11

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

252430, 252429R, 560179, C07C 6976, C07C 6966, B01J 3102

Patent

active

043294871

ABSTRACT:
A method for the asymmetric hydrogenation of .alpha.-ketoesters which comprises subjecting an .alpha.-ketoester containing an .alpha.-ketoester grouping of the formula: --CO--COO-- to assymmetric hydrogenation in the presence of a platinum-alumina catalyst modified with a solution of a cinchona-alkaloid.

REFERENCES:
patent: 2278549 (1942-04-01), Loden
patent: 2797233 (1957-06-01), Lott
patent: 3663597 (1972-05-01), Flitter
patent: 3852323 (1974-12-01), Diamond et al.

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