N-Hydroxyamide-Containing Heterocycles. 4. Synthesis and Fe(III)-Chelating Properties of Novel Hexadentate Ligands Composed of N-Hydroxy-2(1H)-Pyrazinone, Amino Acid Residues, and Tris(2-aminoethyl)amine

Article abstract of DOI:10.1021/jo00111a015

Synthesis of novel hexadentate ligands (3-HOPR(X); X = Me and i-Bu) composed of N-hydroxy-2(1H)-pyrazinone, amino acids, and tris(2-aminoethyl)amine, and their Fe(III)-chelating properties are described.N-(Benzyloxy)-2(1H)-pyrazinone (6) bearing the carbo