C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 69/675 (2006.01) C07C 67/31 (2006.01) C07C 69/757 (2006.01) C07C 231/12 (2006.01) C07C 231/18 (2006.01) C07C 235/06 (2006.01) C07C 269/06 (2006.01) C07C 271/22 (2006.01) C07D 207/12 (2006.01) C07F 15/00 (2006.01)
Patent
CA 2178948
.beta.- or .gamma.-Ketoesters and .beta.- or .gamma.-ketoamides are asymmetrically reduced with a Ru(II)-BINAP derived catalyst at about 40 ~C and about 50 N/mm2 of hydrogen in the presence of a strong acid.
La réduction asymétrique des .beta.- ou .gamma.-cétoesters et des .beta.- ou .gamma.-cétoamides s'effectue en présence d'un acide fort, au moyen d'un catalyseur dérivé du Ru(II)-BINAP, à environ 40~ C et environ 50 N/mm?2¿ d'hydrogène.
Armstrong Joseph D. III
Dimichele Lisa
Douglas Alan W.
Keller Jennifer L.
King Steven A.
Merck & Co. Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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