New carboxymethyl esters of mercaptopropanoic acids, and salts thereof, have the formula ##STR1## wherein R is hydrogen or lower alkanoyl; R.sub.1 is hydrogen, lower alkyl, phenylalkyl and phenyl; R.sub.2 is hydrogen, lower alkyl, phenyl, phenyl-lower alkyl, 4-hydroxyphenyl-lower alkyl or indolyl-lower alkyl. These compounds are useful as enkephalinase inhibitors and hypotensive agents.
新的巯基
丙酸羧甲基酯及其盐的化合物的
化学式为:##STR1## 其中R代表氢或低碳酰基;R.sub.1代表氢、低烷基、苯基烷基和苯基;R.sub.2代表氢、低烷基、苯基、苯基-低烷基、
4-羟基苯基-低烷基或
吲哚基-低烷基。这些化合物可用作
脑啡肽酶
抑制剂和降压剂。