申请人:Zeria Pharmaceutical Co., Ltd.
公开号:US05028604A1
公开(公告)日:1991-07-02
Novel condensed benzene derivatives having prolyl endopeptidase inhibitory, anti-hypoxic, and anti-amnesic activities are disclosed. The compounds are represented by the following (I), ##STR1## wherein A represents a methylene, ethylene, or propylene group, B represents a methylene or ethylene group, m denotes an integer of 0-5, X and Y, which may be same or different, individually represent a methylene group or sulfur atom, R.sup.1 represents a hydrogen atom, a carboxyl, lower alkyloxycarbonyl, hydroxymethyl, or formyl group, R.sup.2 represents a hydrogen atom, a halogen atom, a lower alkyl, lower alkoxy, nitro, or amino group, R.sup.3 represents a hydrogen atom or a lower alkyl group, and the dotted line may optionally be present. They are useful as a medicine for treating or preventing cerebral circulation disorder, cerebral metabolism disorder, or memory disturbance.
本发明揭示了具有丙氨酸内肽酶抑制、抗缺氧和抗遗忘活性的小说紧缩苯衍生物。化合物由以下式(I)表示:##STR1## 其中A代表亚甲基、乙烯基或丙烯基基团,B代表亚甲基或乙烯基基团,m表示0-5的整数,X和Y,可以相同也可以不同,分别代表亚甲基基团或硫原子,R.sup.1代表氢原子、羧基、低碳基氧羰基、羟甲基或甲酰基基团,R.sup.2代表氢原子、卤原子、低碳基、低碳氧基、硝基或氨基基团,R.sup.3代表氢原子或低碳基团,虚线可以选择性地存在。它们可用作治疗或预防脑循环障碍、脑代谢障碍或记忆障碍的药物。