申请人:Eisai Co., Ltd.
公开号:US05801180A1
公开(公告)日:1998-09-01
The present invention provides a nitrogenous heterocyclic compound represented by the following general formula (1) or a pharmacologically acceptable salt thereof which is useful for various ischemic heart diseases and the like: ##STR1## \x9bin formula (1), ring A represents a benzene ring, a pyridine ring or a cyclohexane ring; ring B represents a pyridine ring, a pyrimidine ring or an imidazole ring, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent each a hydrogen atom, a halogen atom or a group such as a lower alkoxy group; R.sup.5 represents a group represented by the formula --NR.sup.11 R.sup.12 (wherein R.sup.11 and R.sup.12 represent each a hydrogen atom or a group such as a lower alkyl group) or the like; and R.sup.6 represents a group represented by the formula ##STR2## (wherein R.sup.19 represents a hydrogen atom, a lower alkyl group or the like; R.sup.20, R.sup.21 and R.sup.22 represent each a hydrogen atom, a halogen atom, a hydroxyl group or the like; and r represents 0 or an integer of 1 to 8)!.
本发明提供了一种由以下通式(1)表示的含氮杂环化合物或其药学上可接受的盐,该化合物对各种缺血性心脏疾病等具有有用作用: ##STR1## 在公式(1)中,环A代表苯环、吡啶环或环己烷环;环B代表吡啶环、嘧啶环或咪唑环,R.sup.1、R.sup.2、R.sup.3和R.sup.4分别代表氢原子、卤原子或类似的低烷氧基团;R.sup.5代表由公式--NR.sup.11 R.sup.12(其中R.sup.11和R.sup.12分别代表氢原子或类似的低烷基团)或类似团代表的基团;R.sup.6代表由公式##STR2##(其中R.sup.19代表氢原子、低烷基团或类似物;R.sup.20、R.sup.21和R.sup.22分别代表氢原子、卤原子、羟基或类似物;r代表0或1到8的整数)的基团。