申请人:Hoechst-Roussel Pharmaceuticals, Inc.
公开号:US04800203A1
公开(公告)日:1989-01-24
There are described pyrrolo[1,2-b]cinnolines having the formula ##STR1## where R.sub.1 when present is hydrogen, loweralkyl, arylloweralkyl or --CH.sub.2 CO.sub.2 C.sub.2 H.sub.5 ; R.sub.2 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, fluorine, 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 dementia'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]茚啉:##STR1## 其中,当存在R.sub.1时,它是氢,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独立地为氢,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,以及其药学上可接受的酸加盐。它们可用作镇痛剂和胆碱能功能增强剂,因此可用于治疗记忆障碍和老年性痴呆症,如以胆碱能功能减退为特征的阿尔茨海默病。