Novel condensed, seven-membered ring compounds of the formula: ##STR1## [wherein R.sup.1 and R.sup.2 each represent hydrogen, halogen, trifluoromethyl, lower alkyl or alkoxy, or both jointly form tri- or tetramethylene; R.sup.3 is hydrogen, lower alkyl or aralkyl; R.sup.4 is hydrogen or alkyl, aralkyl or cycloalkylalkyl which may be substituted; X is a group represented by the formula S(O).sub.n (where n is an integer of 0 to 2); Y is a carboxyl group which may be esterified or amidated; m 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 hypertension.
这些小说中的新型缩合七元环化合物的
化学式为:[其中R.sup.1和R.sup.2分别表示氢、卤素、三
氟甲基、低碳基或烷氧基,或者共同形成三元或四元亚甲基;R.sup.3为氢、低碳基或芳基烷基;R.sup.4为氢或烷基、芳基烷基或环烷基烷基,可被取代;X为由S(O).sub.n(其中n为0至2的整数)表示的基团;Y为可酯化或酰胺化的羧基;m为1或2]及其盐。这些化合物表现出对
血管紧张素转换酶等的抑制活性,并且在高血压的诊断、预防和治疗方面具有价值。