申请人:Pfizer Inc.
公开号:US05574046A1
公开(公告)日:1996-11-12
Compounds of the formula ##STR1## wherein ring A, ring B, ring D, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.11, R.sup.12, R.sup.13, E, G, X and P are as defined below. The compounds of formula I are cholinesterase inhibitors and are useful in enhancing memory in patients suffering from dementia and Alzheimer's disease.
式##STR1##中的化合物,其中环A、环B、环D、R.sup.2、R.sup.3、R.sup.4、R.sup.5、R.sup.6、R.sup.11、R.sup.12、R.sup.13、E、G、X和P的定义如下。式I的化合物是胆碱酯酶抑制剂,对患有痴呆症和阿尔茨海默病的患者有助于增强记忆。