| 摘要 |
A compound being a substituted benzyl derivative of polyalkylene polyamine and corresponding to the following formula: in which: n and m=2, 3 or 4, p=2 or 3, x=0, 1 or 2, R1 and R4, which may be identical or different, represent (i) a linear or branched C1-C4 alkyl radical or (ii) a radical of the following formula: in which: Z1 represents OH or OR, Z2 and Z3 represent H, OH or OR, R being a linear or branched C1-C8 alkyl radical, R2 and R3, which may be identical or different, represent H, a linear or branched C1-C4 alkyl radical, a radical of formula (A) or a radical of the following formula (B): R'1, R'4 and R'5 represent H or a linear or branched C1-C4 alkyl radical, and R5 represents a linear or branched C1-C4 alkyl radical or a radical of formula (A), with the proviso that at least one of the radicals R1, R2, R3, R4 or R5 represents a radical of formula (A), and that when R1 and R4, being identical, represent a radical of formula (A), x being 0 or 1, then Z1 or Z1 and Z2, being identical, cannot represent OR, R being a C1-C6 alkyl radical, and their salts and metal complexes. Use in cosmetic and pharmaceutical compositions in order to protect the body against oxidative stress.
|
