NEW DERIVATIVES OF 5, 6, 7, 8-TETRAHYDRO-1-NAPHTHALENOL, A PROCESS FOR THEIR PREPARATION AND COSMETIC AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

These 5,6,7,8-tetrahydro-1-naphthalenol derivatives correspond to the following general formula: …… in which:… R1, R2, R3 and R4 represent a lower alkyl radical,… R5 and R6 represent a hydrogen atom or a lower alkyl radical,… R represents a hydrogen atom, a C1-C18 alkyl radical, a C2-C18 alkyl radical substituted with one or more hydroxyl(s), a C3-C18 alkenyl radical, a C2-C18 acyl radical, a benzyl radical, a benzoyl radical, a carboxyl radical and the carboxylic salts of an alkali metal or alkaline-earth metal or of an organic amine. …These derivatives find application as antioxidants in cosmetic compositions and in pharmaceutical compositions for the preventive treatment of skin allergies and inflammations or of certain forms of cancer.