New phosphinylalkanoyl prolines which have the general formula ##STR1## wherein R.sub.1 is lower alkyl, phenyl or phenyl-lower alkyl; R.sub.2 is hydrogen, phenyl-lower alkyl or a metal ion; R.sub.3 is hydrogen or lower alkyl; R.sub.4 is hydrogen, lower alkyl, phenyl-lower alkyl or a metal ion; and N is 0 or 1, Are useful as hypotensive agents.
新的
磷酰基丙
氨酰脯
氨酸具有一般式##STR1## 其中R.sub.1为低碳基,苯基或苯基-低碳基;R.sub.2为氢,苯基-低碳基或
金属离子;R.sub.3为氢或低碳基;R.sub.4为氢,低碳基,苯基-低碳基或
金属离子;N为0或1,可用作降压剂。