Issue 4, 1975
From the journal:

Journal of the Chemical Society, Perkin Transactions 2

Electron spin resonance studies. Part XLIII. Reaction of dimethyl sulphoxide with the hydroxyl radical

Bruce C. Gilbert,   Richard O. C. Norman  and  Roger C. Sealy  

Abstract

A kinetic analysis is given of the reaction between the hydroxyl radical (generated from the TiIII–H2O2 couple in a continuous flow system) and dimethyl sulphoxide in aqueous acid at ambient temperature; steady-state concentrations of both Me˙ and MeSO2˙ have been monitored. Evidence is presented that the former radical arises from addition of ˙OH to the sulphoxide followed by rapid decomposition of the intermediate species Me2SO2˙. There was no evidence for the formation of ˙CH2S(O)Me. Rate constants for the reaction between hydroxyl and Me2SO, for that between Me˙ and MeSO2H, and for the dimerisation of methyl are estimated as 5 × 109, ca. 106, and 5·6 × 109 l mol–1 s–1, respectively.

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Article information

DOI
https://doi.org/10.1039/P29750000303
Article type
Paper

J. Chem. Soc., Perkin Trans. 2, 1975, 303-308

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Electron spin resonance studies. Part XLIII. Reaction of dimethyl sulphoxide with the hydroxyl radical

B. C. Gilbert, R. O. C. Norman and R. C. Sealy, J. Chem. Soc., Perkin Trans. 2, 1975, 303 DOI: 10.1039/P29750000303

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