The present invention is generally directed to a process for the preparation of a ketomorphinan comprising maintaining a ketone group as unprotected and performing reductive amination using a hydrogen source and a catalyst.
本发明通常涉及一种制备酮
吗啡类化合物的过程,其中保持酮基未保护,并使用氢源和催化剂进行还原胺化反应。