Imino-derivatives, process for their preparation and their use in human and veterinary medicine and in cosmetics.

摘要

Diaromatic compounds corresponding to the following general formula: <IMAGE> in which: R1 is H, OH, -CH3, -CH2OH, -COR7, -CH(OH)CH3, -CH2OCOR8, and the like, R7 is H, OH, -OR10, N(r'r"), lower alkyl, and the like, R8 is linear or branched alkyl, or a sugar residue, R9 is OH, lower alkyl or N(r'r"), R10 being alkyl or alkenyl, r' and r" are H, a lower alkyl, an aryl, aralkyl, and the like, or r' and r" form a heterocycle, R2 and R6 are H, OH, lower alkyl, and the like, R3 and R5 are alpha , alpha '-disubstituted alkyl or cycloalkyl, R4 is H, OH, alkoxy, or alpha , alpha '-disubstituted alkyl, R3 and R4 or R4 and R5, taken together, can form a ring containing 5 or 6 C, Z is O, S, -CH=CR11- or -N=CR12-, R11 being H, OH or lower alkyl, R12 being H or lower alkyl, X is (i) -CR13=N-, (ii) -N=CR13-, <IMAGE> <IMAGE> R13 being R16, OR16, -SR16 or NR16R17 R16 and R17 being H, a lower alkyl, a fluoroalkyl and the like, R14 being alkyl R15 being lower alkyl or lower fluoroalkyl, with the exception of the compounds of the formula (I) when R3 and R5 are identical and X represent the -CR13=N- radical, R13 being H, and the salts of the said compounds of formula (I).