Biphenyl derivatives substituted by an aromatic or heteroaromatic radical and pharamaceutical and cosmetic compositions containing same

摘要

"Biphenyl derivatives substituted with an aromatic or heteroaromatic radical, and pharmaceutical and cosmetic compositions containing them"in which:Ar represents an aromatic or a heteroaromatic radical optionally substituted, in particular, with an alkyl or a carboxyl group,R2 and R3 represent, in particular, H or alkyl, orR2 and R3, taken together, form a 5- or 6-membered ring,R4 and R5 represent, in particular, H or halogen,R6 represents, in particular, H or lower alkyl,and the salts of the compounds of formula (I).These compounds can be used in particular in the treatment of dermatological complaints associated with a keratinization disorder, and for combating ageing of the skin.