DERIVES DE 4-HYDROXY-3-PHENYL-INDENO(1,2-B)PYRIDINE-2(1H)- ONE, LEUR PREPARATION ET LES MEDICAMENTS LES CONTENANT

摘要

Derivatives of formula (I), wherein R is a methylene radical, N-alk, NH or an oxygen or sulphur atom, R1 and R2, which are the same or different, are a hydrogen or halogen atom or a hydroxy, alkoxy, alkyl, nitro, amino, monoalkylamino, dialkylamino, cyano, polyfluoroalkyl, polyfluoroalkoxy or phenoxy radical, R3 and R4, which are the same or different, are a hydrogen or halogen atom or an alkyl radical; tautomeric forms thereof, salts thereof, preparation thereof and drugs containing said derivatives.