Author:
Brownlie I. T.,Ingold K. U.
Abstract
The thermal oxidation of styrene inhibited by diphenylamine, phenyl-α-naphthylamine, and phenyl-β-naphthylamine has been examined. It has been shown that the autocatalysis of the diphenylamine- and phenyl-β-naphthylamine-inhibited oxidations is probably due to a reaction between the inhibitor radical and the hydroperoxide formed in the primary step of inhibition. This reaction is too slow to produce significant autocatalysis with phenyl-α:-naphthylamine under the present experimental conditions.The primary inhibition reaction involves abstraction of the amino hydrogen since its replacement by deuterium leads to a fairly large kinetic isotope effect (kH/kD ~ 3–4).
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
50 articles.
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