申请人:Takeda Chemical Industries, Ltd.
公开号:US04954625A1
公开(公告)日:1990-09-04
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 in 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 angiotensin 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.
该公式的新化合物:##STR1## [其中A是α-氨基酸残基;B是由公式表示的基团:##STR2## 其中R.sup.4是氢、低碳基、芳基烷基或氨基-低碳基),其中符号A和B之间的连接表示肽键,基团B中的R.sup.4可以与A连接;R.sup.1是氢、低碳基或芳基烷基;R.sup.2是氢、低碳基、芳基烷基或酰基;X是烷基]及其盐具有例如对血管紧张素转换酶的抑制活性,并且可用作诊断、预防或治疗高血压以及心血管疾病如心脏病和脑卒中的药物。