Novel S-substituted mercapto-lower alkanoyl-4-thiazolidinecarboxylic acids, -2-pyrrolidinecarboxylic acids and their esters represented by the general formula ##STR1## wherein Q is methylene or sulfur; Z is straight or branched alkylene with 1 to 3 carbon atoms, their process for manufacturing, the antihypertensive composition comprising these compounds and the method for reducing blood pressure.
S-取代巯基-低级烷酰基-4-
噻唑烷
羧酸,-2-
吡咯烷
羧酸及其
酯类的新型化合物,其通式为##STR1##
其中,Q为亚甲基或
硫;Z为1至3个碳原子的直链或支链烷基,其制备方法,包含这些化合物的降压组合物以及降低血压的方法。