Novel 4-aroylimidazol-2-ones.

摘要

Novel 4-aroylimidazol-2-ones of the following general structure which are useful as antihypertensives, cardiotonics and antithrombotics <CHEM> wherein Ar is 2-furyl, 2-thienyl or phenyl, the latter of which may optionally be substituted with one or two X groups; X is halogen, hydroxy, C1-4 alkyl, C1-4 alkoxy, methylenedioxy, C1-4 alkylthio, C1-4 alkylsulfoxide, C1-4 alkylsufone, CF3, -SO2N(R2)2, NR3R4, pyrrolidino, piperidino, morpholino, piperazino or N min -alkyl-piperazino, R is hydrogen, C1-4 alkyl, C1-4 alkylcarbonyl or benzyl; each of R1, R2, R3 and R4 are hydrogen or C1-4 alkyl; and the pharmaceutically acceptable salts thereof.