abstract |
(57) [Summary]n[Objective] To improve biodegradability and desilvering property.n[Structure] Fe (III) chelation of a compound represented by the formula Contains compound. (In the formula, R 1 Is, for example, a hydrogen atom, R 2 Is an aromatic group, L 3 Is a divalent aliphatic group, n is 0 or 1, X 1 Is for example -L Four -A 2 , L 1 , L 2 , L Four Is two Valent aliphatic radical, A 1 , A 2 Is, for example, a carboxy group, Z is For example, it represents an oxygen atom. )n[Chemical 1] |