Novel condensed seven-membered ring compounds of the formula: ##STR1## [wherein R.sup.1 and R.sup.2 are independently hydrogen, halogen, trifluoromethyl, lower alkyl or lower alkoxy, or both jointly form tri- or tetramethylene; R.sup.3 and R.sup.5 are independently hydrogen, lower alkyl or aralkyl; R.sup.4 is hydrogen or lower alkyl; R.sup.6 is a condensed or non-condensed hetero-alicyclic containing at least one atom of N, O and S as a ring-forming atom which may be substituted; A is an alkylene chain; n is 1 or 2] and salts thereof. These compounds exhibit inhibitory activity on angiotensin converting enzyme and so forth, and are of value as an agent for diagnosis, prevention and treatment of circulatory diseases, such as hypertension, cardiopathy and cerebral apoploxy.
这是一种化合物,其
化学式为:##
STR1## 其中R1和R2可以独立地是
氢、卤素、三
氟甲基、低
碳基或低
碳氧基,或者共同形成三元或四元亚
甲基;R3和R5可以独立地是
氢、低
碳基或芳基低
碳基;R4是
氢或低
碳基;R6是含有至少一个N、O和S原子作为环形成原子的紧缩或非紧缩杂环,可以被取代;A是一个烷基链;n为1或2。这些化合物表现出抑制
血管紧张素转化酶等的活性,并且在诊断、预防和治疗循环系统疾病,如高血压、心脏病和脑卒中方面具有价值。