4-Alkanoylimidazol-2-ones

摘要

4-alkanoylimidazol-2-ones of the following general structure which are useful as cardiotonics in the treatment of cardiac failure <IMAGE> wherein Q and T are each an oxygen atom or a divalent sulfur atom; R is hydrogen, lower alkyl, lower alkylcarbonyl or benzoyl; R1 is hydrogen or lower alkyl; R2 is a lower aliphatic hydrocarbon radical, phenyl alkylene or heterocyclo alkylene; and the pharmaceutically acceptable salts thereof.