申请人:Hoechst-Roussel Pharmaceuticals, Inc.
公开号:US04883794A1
公开(公告)日:1989-11-28
There are described pyrrolo[1,2-b] cinnolines having formula ##STR1## where R.sub.1 when present is hydrogen, loweralky, arylloweralkyl or --CH.sub.2 CO.sub.2 C.sub.2 H.sub.5 ; is hydrogen, loweralkyl, arylloweralkyl, chlorine, bromine, iodine, formyl, nitro, --CH.dbd.CR.sub.3 R.sub.4 or --CH.sub.2 CHR.sub.3 R.sub.4, R.sub.3 and R.sub.4 being independently hydrogen, loweralkyl, aryl or arylloweralkyl; X is oxygen, amino, loweralkylamino, arylloweralkylamino or methoxy; and Y is hydrogen, flourine, chlorine, bromine, iodine, trifluoromethyl or nitro, and pharmaceutically acceptable acid addition salts thereof which are useful as analgesic agents and as enhancers of cholinergic function and hence for the treatment of memory dysfunctions and senile demetia's such as Alzheimer's disease characterized by diminished cholinergic function.
描述了具有以下式子的
吡咯并[1,2-b]
茚类化合物:##STR1## 其中,当R.sub.1存在时,它可以是氢、低碳基、芳基低碳基或--CH.sub.2 CO.sub.2 C.sub.2 H.sub.5;R.sub.2可以是氢、低碳基、芳基低碳基、
氯、
溴、
碘、甲酰基、硝基、--CH.dbd.CR.sub.3 R.sub.4或--CH.sub.2 CHR.sub.3 R.sub.4,其中R.sub.3和R.sub.4分别是氢、低碳基、芳基或芳基低碳基;X是氧、
氨基、低碳基
氨基、芳基低碳基
氨基或甲氧基;Y是氢、
氟、
氯、
溴、
碘、三
氟甲基或硝基。这些化合物及其药学上可接受的酸盐可用作镇痛剂和促进
胆碱能功能的增强剂,因此可用于治疗记忆功能障碍和老年性痴呆症,如以
胆碱能功能减弱为特征的阿尔茨海默病。