Oxidation of methionine by sodium N-chlorotoluene-p-sulphonamide in aqueous solution : A kinetic study

Mahadevappa, D. S. and Ananda, S. and Made Gowda, N. M. and Rangappa, K. S. (1985) Oxidation of methionine by sodium N-chlorotoluene-p-sulphonamide in aqueous solution : A kinetic study. Journal of the Chemical Society, Perkin Transactions 2 (1). pp. 39-43. ISSN 1472-779X

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Abstract

Kinetics of oxidation of DL-methionine (Mt) in the presence of HCl, HClO4, H2SO4, and NaOH by sodium N-chlorotoluene-p-sulphonamide (CAT) have been investigated at 30°C (and 35°C in alkaline medium) and the results are compared with those obtained with HOCl as the oxidant, in acid medium. The reactions follow identical kinetics, being first order each in CAT and H+ and zero order in substrate. In alkaline medium the rate shows first-order dependence each on CAT and Mt. An inverse fractional order is noted in OH-. Studies of solvent isotope effects using D2O showed a retardation of rate both in acid and alkaline media. The derived rate laws are consistent with the observed kinetics.

Item Type: Article
Subjects: C Chemical Science > Chemistry
Divisions: Department of > Chemistry
Depositing User: Dhruva Kumar
Date Deposited: 18 May 2021 09:51
Last Modified: 18 May 2021 09:51
URI: http://eprints.uni-mysore.ac.in/id/eprint/13639

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