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Kinetics and mechanism of oxidation of aliphatic ketoximes by thallium(III) acetate—part I

✍ Scribed by T. Balakrishnan; M. Santappa

Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
410 KB
Volume
10
Category
Article
ISSN
0538-8066

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✦ Synopsis

Abstract

The oxidative cleavage of some aliphatic ketoximes by thallium(III) acetate was studied in the temperature range of 20–40°C. The reactions were followed by determination of the rates of disappearance of thallium(III) acetate for variations in [substrate], [Tl(III)], [H^+^], ionic strength, temperature, etc. The reactions were found to be totally second order–first order with respect to each reactant. The second‐order rate constants and thermodynamic parameters were evaluated and discussed. The mechanism proposed involves one‐electron oxidation to the iminoxy radical followed by an another one‐electron oxidation to the hydroxynitroso compound which dimerizes and decomposes to give the carbonyl compounds and hyponitrous acid.

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