| abstract |
The present invention provides a novel anti-active oxygen agent having excellent active oxygen resistance and excellent solubility in an oil solvent containing the amino acid derivative of formula 1 as an active ingredient.n n n Formula 1n n n n n n n n In the above formula,n n n Ar is a 2-hydroxyphenyl group or a pyridyl group (at least one hydrogen atom bonded to an aromatic ring of these groups is independently a halogen atom, an alkyl group having 1 to 6 carbon atoms, a hydroxyl group, a hydroxyalkyl group having 1 to 6 carbon atoms) , May be substituted with a nitro group, an alkoxyl group having 1 to 6 carbon atoms or a carboxyl group),n n n R 1 is the side chain of the amino acid,n n n X is -O- or -NH-,n n n R 2 is an alkyl group having 8 to 22 carbon atoms,n n n n is 0 or 1; |