C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 205/08 (2006.01) C07D 403/02 (2006.01) C07D 405/02 (2006.01) C07D 405/04 (2006.01) C07D 409/06 (2006.01) C07F 7/10 (2006.01)
Patent
CA 2106248
TITLE OF THE INVENTION PREPARATION OF BETA-METHYL CARBAPENEM INTERMEDIATES ABSTRACT OF THE INVENTION The present invention is directed to a process of making a Beta-methyl carbapenem intermediate of formula VI from a compound of formula I Image Image I VI wherein R and P' are protecting groups R1 is a methylmalonic acid ester and Nu is a nucleophilic group. Process intermediates are also disclosed.
Choi Woo-Baeg
Humphrey Guy R.
Reider Paul J.
Shinkai Ichiro
Thompson Andrew S.
Merck & Co. Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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