申请人:Takeda Chemical Industries, Ltd.
公开号:US04816466A1
公开(公告)日:1989-03-28
Novel Compounds of the formula: ##STR1## [wherein A is an .alpha.-amino acid residue; B is a group represented by the formula: ##STR2## (wherein R.sup.4 is hydrogen, lower alkyl, aralkyl or amino-lower alkyl), whereby the linkage between the symbols A and B designates a peptide bond and the group R.sup.4 is B may be linked with A; R.sup.1 is hydrogen, lower alkyl or aralkyl; R.sup.2 is hydrogen, lower alkyl, aralkyl or acyl; X is alkylene] and salts thereof posses, for example, inhibitory activity on angiotension converting enzyme, and are useful as an agent for diagnosis, prevention or treatment of hypertension as well as circulatory diseases such as cardiopathy and cerebral apoplexy.
具有以下结构的新化合物:##STR1## [其中A是一个α-氨基酸残基;B是一个由以下结构表示的基团:##STR2##(其中R.sup.4是氢、低碳基、芳基碳基或氨基低碳基),其中符号A和B之间的连接表示肽键,基团R.sup.4是B可能与A连接;R.sup.1是氢、低碳基或芳基碳基;R.sup.2是氢、低碳基、芳基碳基或酰基;X是烷基]及其盐具有例如对抑制血管紧张素转化酶的活性,并可用作高血压以及心脏病和脑卒中等循环疾病的诊断、预防或治疗剂。