申请人:Haar, JR. Joseph P.
公开号:US20100261906A1
公开(公告)日:2010-10-14
The present invention provides processes for the preparation of saturated 6-keto, 3-alkoxy morphinans from unsaturated 6-hydroxy, 3-hydroxy morphinans, In particular, the invention provides processes that utilize catalytic isomerization and alkylation reactions for the preparation of saturated 6-keto, 3-alkoxy morphinans.
本发明提供了一种从不饱和的6-羟基、3-羟基吗啡酚制备饱和的6-酮基、3-烷氧基吗啡酚的过程。特别地,本发明提供了利用催化异构化和烷基化反应制备饱和的6-酮基、3-烷氧基吗啡酚的过程。