New phosphonoacyl prolines and related compounds have the general formula ##STR1## wherein R.sub.1 and R.sub.2 each is hydrogen, lower alkyl, lower alkenyl, unsustituted or substituted 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. These compounds are useful as hypotensive agents.
新的
磷酸酰脯
氨酸和相关化合物的一般结构式为##STR1## 其中R.sub.1和R.sub.2分别为氢、低碳基、低烯基、未取代或取代的苯基-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。这些化合物可用作降压剂。