申请人:Hoechst-Roussel Pharmaceuticals Inc.
公开号:US04942237A1
公开(公告)日:1990-07-17
There are disclosed compounds having the formula ##STR1## where X is hydrogen, loweralkyl, loweralkoxy, halogen or trifluoromethyl, and R when present is hydrogen, loweralkyl, allyl, arylloweralkyl, ##STR2## wherein R.sub.1 is loweralkyl, --CH.sub.2 C.tbd.CH, ##STR3## n being 2, 3 or 4 and R.sub.2 and R.sub.3 being independently loweralkyl, or the group ##STR4## taken as a whole constituting ##STR5## which compounds are useful as analgesic agents and also for the treatment of various memory dysfunctions characterized by a decreased cholinergic function such as Alzheimer's disease.
公开了具有以下式子的化合物##STR1## 其中X为氢、低烷基、低烷氧基、卤素或三氟甲基,R在存在时为氢、低烷基、烯丙基、芳基低烷基、##STR2##其中R.sub.1为低烷基、--CH.sub.2 C.tbd.CH、##STR3##n为2、3或4,R.sub.2和R.sub.3独立地为低烷基,或者作为整体构成##STR4##这些化合物可用作镇痛剂,并用于治疗各种记忆功能障碍,其特征是乙酰胆碱能功能降低,例如阿尔茨海默病。