abstract |
(57) [Summary] (Modified) [PROBLEMS] N, N'-di (aralkyl) -N, N'-di (carboxyalkyl) alkylenedi- or triamine and N- (aralkyl) -N '-(carboxy Provided are alkyl) -N, N'-di (carboxyalkyl) alkylenedi- or triamines and their use in pharmaceuticals and cosmetics. SOLUTION: N, N'-di (aralkyl) -of formula I N, N'-di (carboxyalkyl) alkylenedi- or triamine and N- (aralkyl) -N '-(carboxyalkyl) -N, N'-di (carboxyalkyl) Alkylenedi- or triamines, and their salts and metal complexes. Specific examples of compounds of formula I include N, N'-bis- (3,4, There is 5-trimethoxybenzyl) -2-methylethylenediaminediacetic acid. |