Paper
Kinetics and mechanism of the oxidation of some thioacids by tetrabutylammonium tribromide
Published Apr 30, 2005 · V. K. Chouhan, Vinita Sharma
Journal of the Indian Chemical Society
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Abstract
The oxidation of some thioacids viz. thioglycollic, thiolactic and thiomalic acids by tetrabutylammonium tribromide (TBATB) has been studied in acetic acid. The reaction is first order with respect to TBATB. Michaclis-Menten type of kinetics were observed with respect to the reductants. The reaction has been studied in solvents of different compositions of acetic acid and water. The solvent composition effect has been analysed using Grunwald-Weinstein equation. A mechanism involving the formal ion of an intermediate complex in the pre-equilibrium and its subsequent decomposition in slow step has been proposed.
The oxidation of thioacids by tetrabutylammonium tribromide in acetic acid follows a first-order reaction with Michaclis-Menten type kinetics and a proposed mechanism involving intermediate complex formation and slow step decomposition.
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