Abstract

Some characteristic features concerning the chemical properties of halogenated aliphatic oxyl and peroxyl radicals are presented and discussed. This includes, in particular, overall two-electron oxidation initiated by peroxyl radicals, and fragmentation and rearrangement reactions of oxyl radicals. A specific example elaborated in detail deals with the CF 3CHClOO -induced oxidation of methionine. A complete mechanism and material balance is proposed on the basis of quantitative analysis of the products of this reaction. These are: F −, Cl −, Br −, CF 3CHO, CF 3CO 2 −, CO 2 and methioninesulfoxide.

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