Novel processes for the preparation of (R)-alpha-(2,3-dimethoxyphenyl)-1-[2-(4-fluorophenyl) ethyl]-4-piperidinemethanol
申请人:Aventis Pharmaceuticals Inc.
公开号:US20040210061A1
公开(公告)日:2004-10-21
The present invention provides various processes for the preparation of (R)-&agr;-(2,3-dimethoxyphenyl)-1-[2-(4-fluorophenyl)ethyl]-4-piperidinemethanol. These processes may be characterized by the following scheme:
1
本发明提供了制备(R)-α-(2,3-二甲氧基苯基)-1-[2-(4-氟苯基)乙基]-4-哌啶甲醇的各种方法。这些方法可以用以下方案表征:1