申请人:Hoechst-Roussel Pharmaceuticals Incorporated
公开号:US05192789A1
公开(公告)日:1993-03-09
There are disclosed various compounds of the formula below, ##STR1## where n, X and R.sub.1 through R.sub.4 are as defined in the specification, which are useful for alleviating various memory dysfunctions characterized by a cholinergic deficit such as Alzheimer's disease. Compounds of this invention also inhibit monoamine oxidase and/or act at central .alpha..sub.2 -adrenergic receptors, and hence are useful as antidepressants.
下面的公式揭示了各种化合物,##STR1## 其中n、X和R.sub.1到R.sub.4如规范中定义的那样,这些化合物对于缓解由胆碱缺乏引起的各种记忆功能障碍(如阿尔茨海默病)是有用的。本发明的化合物还抑制单胺氧化酶和/或作用于中枢α2-肾上腺素受体,因此可用作抗抑郁药。