New products and reaction pathways for the reaction of dimethylsulfoxide with peroxonitrite in aqueous solutions
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The first observed basic products of the reaction of dimethylsulfoxide with peroxonitrite were methyl nitrite and methane with pH=7 and methyl nitrate at pH>10. The dependence of the yield of these and other reaction products on pH, concentrations of the substrate and peroxonitrite, and the additives NO 2 − and CO2 was studied. It is proposed that CH4 and CH3ONO are formed in the reaction between DMSO and the cis-form of−OONO, while DMSO2 and CH3ONO2 are formed in reactions with the trans-form of−OONO or the dimer HOONO/OONO respectively.
KeywordsDMSO Neutral Condition Nitromethane Volatile Product Homolysis
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