Ruthenium(III) catalyzed oxidation of ethylenediaminetetraacetic acid by N-bromosuccinimide in aqueous alkaline medium - A kinetic and mechanistic study

被引：21
作者：
Mavalangi, SK [1 ]
Nirmala, M [1 ]
Halligudi, N [1 ]
Nandibewoor, ST [1 ]
机构：
[1] Karnatak Univ, PG Dept Studies Chem, Dharwad 580003, Karnataka, India
来源：
REACTION KINETICS AND CATALYSIS LETTERS | 2001年 / 72卷 / 02期
关键词：
ruthenium(III); catalysis; NBS; EDTA;
D O I：
10.1023/A:1010584005797
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The Ru(III) catalyzed oxidation of ethylenediaminetetraacetic acid by N-bromosuccinimide in aqueous alkaline medium was found to occur via substrate-catalyst complex formation in equilibrium step followed by the interaction of oxidant species and complex in a slow step to yield the products with regeneration of catalyst. A mechanism involving hypobromate ion as the reactive species of the oxidant has been proposed. The rate constants of individual steps of the reaction mechanism have been evaluated, and used to regenerate rate constants.
引用
收藏
页码：391 / 398
页数：8
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