| abstract |
Di(aromatic) compounds corresponding to the following formula: <IMAGE> (I) in which: Ar represents either <IMAGE> (II) n=1 or 2 or: <IMAGE> (III) X represents a divalent radical, Z represents O, S or a divalent radical, and R1, R2, R3, R4 and R5 represent a hydrogen atom or various organic radicals, and the salts of the compounds of formula (I) when R1 is a carboxylic acid function. Use in human and veterinary medicine and in cosmetics. |