Naphthalene derivatives possessing a retinoid-type action, processes for their preparation, and medicinal and cosmetic compositions containing these derivatives

摘要

The invention relates to a compound of the formula (II) <IMAGE> (II) and the corresponding isomers and salts, in which formula: a and b are integers which independently of one another can assume the values 0 or 1, R1, R2, R3 and R4 represent, independently, a hydrogen atom, a linear or branched C1-C6-alkyl radical or a C1-C4-alkoxy radical, R6 represents a C1-C6-alkyl radical, R5 and R12 represent a hydrogen atom or a C1-C4-alkyl radical, with the proviso that R5 cannot represent hydrogen if a=b=0 and R11 has various meanings. These compounds have useful dermatological properties.