申请人:Senju Pharmaceutical Co., Ltd.
公开号:US05789409A1
公开(公告)日:1998-08-04
This invention provides a benzylpiperazine derivative of formula (I) and a pharmacologically acceptable salt thereof ##STR1## wherein R.sub.1 represents a pyridine ring or a group of either formula (IV) or formula (V); R.sub.2 represents hydrogen or lower alkyl ##STR2## wherein R.sub.3 represents hydrogen, lower alkyl, a pyridine ring or a benzene ring which may be substituted by halogen; X represents halogen ##STR3## wherein R.sub.4 and R.sub.5 may be the same or different and each represents hydrogen, lower alkyl, lower alkoxy, halogen or carboxy.
这项发明提供了一种式(I)的苄基哌嗪衍生物及其药理学上可接受的盐##STR1##其中R.sub.1代表吡啶环或者以下式(IV)或式(V)的基团;R.sub.2代表氢或低碳基##STR2##其中R.sub.3代表氢、低碳基、吡啶环或者可能被卤素取代的苯环;X代表卤素##STR3##其中R.sub.4和R.sub.5可以相同也可以不同,每个代表氢、低碳基、低烷氧基、卤素或羧基。