NOUVEAUX DERIVES DE LA PYRIDONE, LEUR PROCEDE DE PREPARATION, LES NOUVEAUX INTERMEDIAIRES OBTENUS, LEUR APPLICATION A TITRE DE MEDICAMENTS ET LES COMPOSITIONS PHARMACEUTIQUES LES RENFERMANT.

摘要

Products of formula (I), wherein R1, R2, R3 and R4 are a hydrogen atom, a halogen atom, or a hydroxyl, mercapto, cyano, nitro, sulpho, formyl, benzoyl, acyl, carboxy, cycloalkyl or acyloxy radical; an alkyl, alkenyl, alkynyl, alkyloxy or alkylthio radical; an aryl, arylalkyl, arylalkenyl, aryloxy or arylthio radical; a radical (a), (b) or (c); a radical -(CH2)m1-S(O)m2-Z'-R'14 wherein m1 is an integer from 0 to 4, m2 is an integer from 0 to 2, R5 is a divalent alkylene radical, and Y is a radical -Y1-B-Y2. The products have interesting pharmacological properties which justify their use as drugs.