申请人:Hoechst-Roussel Pharmaceuticals Inc.
公开号:US04920117A1
公开(公告)日:1990-04-24
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.
已披露具有以下公式的化合物##STR1##其中X是氢、低烷基、低烷氧基、卤素或三氟甲基,R(如存在)是氢、低烷基、烯丙基、芳基低烷基、##STR2##其中R.sub.1是低烷基、--CH.sub.2 C.tbd.CH、##STR3##n为2、3或4,R.sub.2和R.sub.3分别是低烷基,或作为整体构成##STR5##的基团##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,其特征是胆碱能功能减少,如阿尔茨海默病。