Abstract

Abstract A trihydroxamic acid having a 6-aminohexanoyl–3-(hydroxyamino)propanoyl sequence has been synthesized in a stepwise manner, starting with glycinanilide. The trihydroxamic acid anilide bears a good structural resemblance with N-benzoyl-deferriferrioxamine B (Benzoyl-DFB). A plot of the absorbance vs. the molar ratio of iron(III) to the hydroxamate group indicates the formation of a 1:1 intramolecular iron(III) complex for the trihydroxamic acid anilide and Benzoyl-DFB. Cyclic voltammetry also shows that the iron complexes of both compounds have similar electrochemical properties. A solid iron(III) complex was obtained when the trihydroxamic acid anilide was mixed with tris(2,4-pentanedionato)iron(III) in methanol.

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