N-HYDROXYAMIDE-CONTAINING HETEROCYCLES .5. SYNTHESIS OF NOVEL HEXADENTATE LIGANDS COMPOSED OF N-HYDROXY-2(1H)-PYRAZINONE, ALIPHATIC DIAMINE, AND 1,1,1-TRIS(CARBOXYETHOXYMETHYL)ETHANE, AND PROPERTIES OF THEIR FERRIC COMPLEXES

被引：13

作者：

OHKANDA, J ^{[1
]}

KATOH, A ^{[1
]}

机构：

[1] SEIKEI UNIV,FAC ENGN,DEPT IND CHEM,MUSASHINO,TOKYO 180,JAPAN

来源：

TETRAHEDRON | 1995年 / 51卷 / 47期

关键词：

D O I：

10.1016/0040-4020(95)00839-Z

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Novel hexadentate ligands (3HOPR(n)CMe) containing N-hydroxy-2(1H)-pyrazinone connected to tricarboxylic acid by an aliphatic diamine through amide bonds were synthesized. UV-vis spectra of the 1:1 molar mixtures of 3HOPR(n)CMe and ferric ion in aqueous solution and the mole ratio plot strongly supported the formation of intramolecular 1:1 ferric complexes. The relative stability constants (log K 20.6-21.7) of the complexes were affected by the spacer length in a molecule. Further, 3HOPR(n)CMe showed higher iron removal efficiency toward human transferrin than naturally occurring siderophore, desferrioxamine B.

引用

页码：12995 / 13002

页数：8

共 30 条

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