[EN] PROCESS FOR THE MANUFACTURE OF OPTICALLY ACTIVE 3-SUBSTITUTED LACTAMS BY ASYMMETRIC HYDROGENATION OF 3-ALKYLIDENELACTAMS<br/>[FR] PROCEDE DE FABRICATION DE LACTAMES SUBSTITUES EN POSITION 3 ET OPTIQUEMENT ACTIFS, PAR HYDROGENATION ASYMETRIQUE DE 3-ALKYLIDENELACTAMES
申请人:BRISTOL MYERS SQUIBB CO
公开号:WO2003079975A2
公开(公告)日:2003-10-02
The present invention relates generally to processes for the efficient production optically active 3-substituted lactams of formula (I) [Insert chemical formula here] process, comprising: contacting a compound of formula (II): [Insert chemical formula here] with hydrogen under a suitable pressure in the presence of an iridium complex of the formula (R2)IrL+X- wherein L is a chelating diene, X is a non coordinating anion, and R2 is selected from . [Insert chemical formula here]