Abstract
The concepts of the selective inhibition of reactions with the participation of HO ·2 radicals by nitrobenzene in accordance with a cyclic mechanism were supported using cyclohexanol oxidation as an example. It was demonstrated that the nitroxyl radical generated from nitrobenzene selectively reacts with HO ·2 to form hydrogen peroxide and nitrobenzene. A decrease in the rates of oxidation of esters, carboxylic acids, and ketones with specially chosen structures in the presence of nitrobenzene, as well as the detection of H2O2 and corresponding α,β-unsaturated compounds among the reaction products, indicated that the degradation of β-peroxyl radicals of the above compounds occurred under conditions of the liquid-phase oxidation of organic substances that result in the formation of the HO ·2 radical and an unsaturated compound.
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Translated from Kinetika i Kataliz, Vol. 45, No. 6, 2004, pp. 814–820.
Original Russian Text Copyright © 2004 by Nepomnyashchikh, Nosacheva, Perkel’.
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Nepomnyashchikh, Y.V., Nosacheva, I.M. & Perkel’, A.L. Hydrogen peroxide formation in the oxidation of carbonyl-containing compounds at β-CH bonds. Kinet Catal 45, 768–773 (2004). https://doi.org/10.1007/s10975-005-0028-5
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DOI: https://doi.org/10.1007/s10975-005-0028-5