Oxidation of diethyl disulfide with atmospheric oxygen in the presence of 1,3-dimethylimidazolium dimethyl phosphate

Oxidation of diethyl disulfide with atmospheric oxygen at 363 К in the presence of 1,3-dimethylimidazolium dimethyl phosphate is described. On the basis of the 1Н, 31Р, and 13С NMR data, it is shown that oxidation of diethyl disulfide results in ethyl sulfonates. Formation of ethyl alcohol, which is a product of a side reaction of ethyl sulfonate hydrolysis, probably, catalyzed by the 1,3-dimethylimidazolium cation, was detected using HPLC and 1Н and 13С NMR.