C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/478.1, 260/4
C07C 69/68 (2006.01) B01J 31/24 (2006.01) C07D 307/32 (2006.01)
Patent
CA 1109479
ABSTRACT OF THE DISCLOSURE An optically active .alpha.-hydroxycarboxylic acid ester is produced by asymmetric hydrogenation of an .alpha.-ketocarboxylic acid ester in the presence of a rhodium complex having a phosphine ligand having an optically active substituent group which present is derived from natural sources.
297758
Kogure Tetsuo
Ojima Iwao
(zaidanhojin) Sagami Chemical Research Center
Marks & Clerk
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