Abstract

1. The regeneration ofα-naphthylamine (InH) in a secondary alcohol undergoing oxidation (cyclohexanol, isopropanol) occurs as a result of reactions of the radical In with hydroxyperoxide, hydroperoxide, and hydroxyalkyl radicals. The ratio of the rate constants of the reactions: In + radical→InH and In + radical→molecular products is equal to 47 for the hydroxyperoxide radical (75°), 10 for HO2. (75°), and 7 for the hydroxyalkyl radical (120°). 2. Hydroperoxide radicals are formed in alcohols undergoing oxidation according to the reaction of peroxide radicals of the alcohol with hydrogen peroxide. 3. In contrast to hydroxyperoxide radicals, hydroperoxide radicals are not added toα-naphthylamine.

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