PREPARATION OF N-ALKYLATED OPIATES BY REDUCTIVE AMINATION
申请人:Mallinckrodt LLC
公开号:EP2167505B1
公开(公告)日:2012-11-28
Preparation of N-Alkylated Opiates by Reductive Amination
申请人:Grote Christopher W.
公开号:US20100197921A1
公开(公告)日:2010-08-05
The present invention is directed to the reduction of an N-imine moiety or a hemiaminal moiety of a morphinan in the presence of a ruthenium, rhodium, or iridium asymmetric catalyst and a hydrogen source.