申请人:Chugai Seiyaku Kabushiki Kaisha
公开号:US04379150A1
公开(公告)日:1983-04-05
Dibenz[b,f][1,4]oxazepine derivatives of the formula ##STR1## (wherein R.sub.1 is a hydrogen atom or a lower alkyl group; R.sub.2 is a branched lower alkyl group; R.sub.3 is a hydrogen atom, a carboxyl group, a carbamoyl group, a lower alkoxycarbonyl group, or a lower alkoxy group; R.sub.4 and R.sub.5 are each a lower alkyl group or may, when taken together with a nitrogen atom, form a heterocyclic ring; and A is a lower alkylene group) or salts thereof, a process for preparing the same and pharmaceutical compositions comprising the same are disclosed. The derivatives of the formula above are effective to prevent and treat circulatory diseases, especially angina pectoris, and therefore, useful as medicines.
本发明涉及公式如下的二苯并[b,f][1,4]噁唑啉衍生物:##STR1##(其中R.sub.1是氢原子或低碳基基团;R.sub.2是支链低碳基基团;R.sub.3是氢原子,羧基,氨基甲酰基,低碳酰氧基,或低碳氧基基团;R.sub.4和R.sub.5分别是低碳基基团,或者当与氮原子结合时,可以形成杂环环;A是低碳亚基),或其盐,以及制备它们的过程和包含它们的药物组合物。上述公式的衍生物对于预防和治疗循环系统疾病,特别是心绞痛,具有有效性,因此可用作药物。