4-Pyrimidinone derivatives, their preparation and their application in therapy.

摘要

1. Compounds, existing in three tautomeric forms, corresponding to the general formulae (I), (I') and (I'') <IMAGE> in which R1 = linear or branched (C1-7)alkyl, linear or branched (C3-9)alkenyl, cyclo(C3-7)alkyl(C1-6)alkyl, R2 = H, linear or branched (C1-7)alkyl, cyclo(C3-7)alkyl(C1-3)alkyl, aryl(C1-3)alkyl optionally substituted in the ring, aryloxy(C1-3)alkyl optionally substituted in the ring, arylthio(C1-3)alkyl optionally substituted in the ring, arylsulphonyl(C1-3)alkyl optionally substituted in the ring, heteroaryl(C1-3)alkyl optionally substituted in the ring, R3 = CO2H 1H-tetrazol-5-yl, NHCOR11, NHSO2R11, CONHSO2R11, CONHOR12, where R11 = CH3, CF3 or optionally substituted phenyl, R12 = H, CH3 or optionally substituted phenyl, as well as their pharmaceutically acceptable organic or inorganic salts. Therapeutic application.t