Mechanistic study of oxidation of sulfacetamide by diperiodatocuprate(III) in aqueous alkaline medium

被引:0
作者
Naik, P. N. [1 ]
Kulkarni, S. D. [1 ]
Chimatadar, S. A. [1 ]
Nandibewoor, S. T. [1 ]
机构
[1] Karnatak Univ, PG Dept Studies Chem, Dharwad 580003, Karnataka, India
来源
INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY | 2008年 / 47卷 / 11期
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中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The oxidation of sulfacetamide, a sulfonamide drug, by alkaline deperiodatocuprate(III) has been studied at 298 K and at constant ionic strength. The reaction is first order in diperiodatocuprate(III) and has less than unit order in sulfacetamide concentration. The rate constants increase with increase in alkali concentration and decrease with increase in periodate concentration. A mechanism has been proposed wherein monoperiodatocuprate(III) is the active species. The reaction constants involved in the different steps of the mechanism and the activation parameters for the slow step have been computed.
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页码:1666 / 1670
页数:5
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