Oligopeptides of formula (I)
(wherein R1 CO- is an acyl group, But is an isobutyl or sec-butyl group and X is a variety of organic groups) and salts and esters thereof have valuable renin inhibitory activity and are prepared by conventional polypeptide synthesis.
式 (I) 的寡肽(其中 R1 CO- 是酰基,But 是异丁基或仲丁基,X 是各种有机基团
(其中 R1 CO- 是酰基,But 是异丁基或仲丁基,X 是各种有机基团)及其盐和酯具有宝贵的肾素抑制活性,可通过常规
多肽合成法制备。