Compounds effective in enhancing the cholinergic activity, represented by general formula (I), and pharmaceutically acceptable salts thereof, methods for the preparation thereof, and pharmaceutical composition containing the same, wherein R¹ represents an optionally halogenated lower alkyl, aryl (lower) alkoxy, or heterocyclic group; R² represents a hydrogen atom or a lower alkyl group; R³ represents an optionally halogenated cyclo (lower) alkyl, aryl or arly (lower) alkyl group; A represents -CO-, -SO₂- or a lower alkylene group; and Y represents -CO-, -SO₂₋ -CONH-.
由通式(I)表示的能有效增强胆碱能活性的化合物及其药学上可接受的盐、其制备方法和含有这些化合物的药物组合物,其中R¹代表任选卤化的低级烷基、芳基(低级)烷氧基或杂环基团;R² 代表氢原子或低级烷基; R³ 代表任选卤代环(低级)烷基、芳基或芳基(低级)烷基; A 代表-CO-、-SO₂- 或低级亚烷基;以及 Y 代表-CO-、-SO₂₋ -CONH-。
US5250528A
申请人:——
公开号:US5250528A
公开(公告)日:1993-10-05
New aminopiperazine derivatives
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05250528A1
公开(公告)日:1993-10-05
This invention relates to new aminopiperazine derivatives having the potentiation of the cholinergic activity and represented by the general formula [I]: ##STR1## wherein R.sup.1 is lower alkyl, aryl, ar(lower)alkoxy or a heterocyclic group, each of which may be substituted with halogen, R.sup.2 is hydrogen or lower alkyl, R.sup.3 is cyclo(lower)alkyl, aryl or ar(lower)-alkyl, each of which may be substituted with halogen, A is ##STR2## or lower alkylene, and Y is ##STR3## and pharmaceutically acceptable salts thereof, to processes for the preparation thereof and to a pharmaceutical composition comprising the same.