KINETICS AND MECHANISM OF THE OXIDATION OF DL-METHIONINE BY MORPHOLINIUM CHLOROCHROMATE

被引：0
|
作者：
Soni, N. [1 ]
Rao, P. P. [2 ]
Sharma, V. [1 ]
机构：
[1] Jai Narain Vyas Univ, Dept Chem, Jodhpur 342005, Rajasthan, India
[2] PBS Coll, Dept Chem, Vijaywada, Andhra Pradesh, India
来源：
OXIDATION COMMUNICATIONS | 2008年 / 31卷 / 04期
关键词：
halochromate; kinetics; mechanism; methionine; oxidation;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The oxidation of methionine (Met) by morpholinium chlorochromate (MCC) in dimethylsulphoxide (DMSO) leads to the formation of the corresponding sulphoxide. The reaction is of first order with respect to each MCC and Met. The reaction is catalysed by hydrogen ions. The hydrogen-ion dependence has the form: k(obs) = a + b[H+]. The oxidation of methionine was studied in 19 different organic solvents. The solvent effect was analysed by the Kamlet's and Swain's multiparametric equations. Solvent effect indicated the importance of the cation-solvating power of the solvent. A suitable mechanism has also been postulated.
引用
收藏
页码：860 / 866
页数：7
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