ELECTROCHEMICAL STUDIES OF DIMETHYL-SULFOXIDE COMPLEXES OF RUTHENIUM(II/III) WITH EDTA

被引：15
|
作者：
TOMA, HE
ARAKI, K
机构：
[1] Instituto de Qubnica, Universidade de São Paulo, Sao Paulo, SP
来源：
JOURNAL OF COORDINATION CHEMISTRY | 1991年 / 24卷 / 01期
关键词：
RUTHENIUM-EDTA; SULFOXIDE COMPLEXES; ELECTROCHEMISTRY; CYCLIC VOLTAMMETRY;
D O I：
10.1080/00958979109409729
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A weak, labile, S-bound isomer of the [Ru(III)(EDTA)(dmso)]−complex is formed (Kf = 1.8M−1) in the reaction of [Ru(III)(EDTA)(H2O)]−with a large excess of dimethyl sulphoxide (dmso). The corresponding S-bound Run-dmso complex is extraordinarily stable (Kf = 7.7 × 109 M−1). These contrasting species can be interconverted within the time scale of cyclic voltammetry, according to a redox cycle with E° = 0.56 V vs SHE, allowing a study of the kinetics of substitution reactions. © 1991, Taylor & Francis Group, LLC. All rights reserved.
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页码：1 / 8
页数：8
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