Imidazothiadiazolealkenecarboxamides of the formula ##STR1## in which R.sup.1 is hydrogen, aryl, substituted aryl or a cyclic or aliphatic hydrocarbon radical which is optionally interrupted by O, S, N, N-alkyl, N-aryl or N-aralkyl and which is optionally substituted, R.sup.8 having the meaning indicated for R.sup.1, and X representing oxygen, sulphur or the radical NR.sup.9 R.sup.10, the other radicals having various definitions, and acid addition salts thereof, exhibit hypotensive activity.
式子为##STR1##的
咪唑噻二唑烯丙酰胺化合物,其中R.sup.1为氢、芳基、取代芳基或环烷基或脂肪烃基,该基可以被O、S、N、N-烷基、N-芳基或N-芳基烷基打断,且可以取代,R.sup.8与R.sup.1的含义相同,X代表氧、
硫或基团NR.sup.9 R.sup.10,其他基团具有不同的定义,以及它们的酸加成盐,表现出降压活性。