Benzylidene derivatives, their preparation and their therapeutic use

摘要

Benzylidene derivatives of the formula I <IMAGE> in which: n is equal to 1, 2, 3 or 4; R represents an NH2, OH or OM radical (M = alkali or alkaline earth metal); X'1 represents a halogen atom or a methyl radical; X'2 represents a methoxy radical or a linear or branched alkyl with 2 to 4 carbon atoms; X'3 represents a hydrogen atom or a methyl radical. Therapeutic use.