Carboxyalkyl dipeptides of the formula ##STR1## wherein R.sub.4 is a 3-, 4-, 5-, or 4,4-substituted proline are disclosed. These compounds are useful as hypotensive agents due to their angiotensin converting enzyme inhibition activity.
本发明揭示了式##STR1##中R.sub.4为3-, 4-, 5-或4,4-取代脯
氨酸的羧基烷基二肽。由于其抑制
血管紧张素转化酶的活性,这些化合物可用作降压剂。