| 摘要 |
This invention relates to new aminopiperazine derivatives having the potentiation of the cholinergic activity, etc., and represented by general formula [I].whereinR1 is lower alkyl, etc.,R2 is aryl, etc.,A isor -SO2-,Q is -N=CH-, etc.,X is lower alkylene, etc., andR3 and R4 are taken together to form lower alkylene, etc.,and pharmaceutically acceptable salts thereof, to processes for preparation thereof and a pharmaceutical composition comprising the same. |
