发明授权
US07985858B2 Process for the preparation of 6-alpha-hydroxy-N-alkylated opiates 有权
6-α-羟基-N-烷基化阿片剂的制备方法

Process for the preparation of 6-alpha-hydroxy-N-alkylated opiates
摘要:
The present invention is directed to the conversion of a 6-keto morphinan to a 6-alpha-hydroxy morphinan in the presence of a ruthenium, rhodium, or iridium asymmetric catalyst and a hydrogen source.
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