Kinetic Mass Spectrometry as an Approach to Understanding the Mechanism of the tert-Amylethyl Sulfide Oxidation by Cyclohexanediyl Dihydroperoxide

The kinetics of sulfoxide formation during oxidation of tert -amylethyl sulfide by cyclohexylidene hydroperoxide in methanol and toluene was studied using mass spectrometry. The data obtained were considered within the framework of a model involving the formation of an intermediate 1-hydroxy-1-peroxy derivative and hydrogen peroxide. A mechanism for the oxidation process was proposed, which makes it possible to describe the observed kinetic regularities. The rate constants of individual stages of the process were estimated.