RUTHENIUM(II) COMPLEXES OF A FUSED PHENANTHROLINE-PTERIDINEDIONE LIGAND

被引：23

作者：

BLACK, KJ ^{[1
]}

HUANG, H ^{[1
]}

HIGH, S ^{[1
]}

STARKS, L ^{[1
]}

OLSON, M ^{[1
]}

MCGUIRE, ME ^{[1
]}

机构：

[1] EASTERN ILLINOIS UNIV,DEPT CHEM,CHARLESTON,IL 61920

来源：

INORGANIC CHEMISTRY | 1993年 / 32卷 / 24期

关键词：

D O I：

10.1021/ic00076a028

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new alloxazine ligand, produced by the condensation of 1,10-phenanthroline-5,6-dione with 5,6-diamino-1,3-dimethyluracil (1; ''Pptd'') and three ruthenium(II) polypyridyl complexes containing this ligand, [(bpy)3-ninfinityRu(II)(Pptd)n](PF6)2.nH2O, have been synthesized. Pptd is a flavin isomer and is thus capable of proton-coupled reductions in aqueous solutions at glassy carbon electrodes. 'Clustering'' of these Pptd ligands around a Ru(II) center produces stable ruthenium(II) polypyridyl complexes which are in principle capable of being reduced by up to six H atoms (making them potential electrochemical mediators). The synthesis and characterization of the ligand and complexes are discussed. In addition, preliminary data on the pH-dependent reduction (in aqueous solution) of Pptd coordinated to Ru(II) in [(bpy)2Ru(II)(Pptd)]2+ are presented.

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页码：5591 / 5596

页数：6

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