申请人:Hoechst-Roussel Pharmaceuticals Incorporated
公开号:US05264442A1
公开(公告)日:1993-11-23
This invention relates to compounds of the formula ##STR1## where R.sub.1 -R.sub.6, X and Y are as defined in the specification, which are useful for the treatment of various memory dysfunctions characterized by a cholinergic deficit and thus may be indicated in the treatment of Alzheimer's disease.
这项发明涉及以下式的化合物 ##STR1## 其中R.sub.1 -R.sub.6,X和Y如规范中定义,这些化合物对于治疗由胆碱缺乏所特征的各种记忆功能障碍是有用的,因此可能适用于治疗阿尔茨海默病。