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Methanesulfonic anhydride is used to prepare methylsulfonyl esters called as mesylates. It finds application in the reaction of aromatic alkylation. It reacts with dimethylsulfoxide to get sulfoxonium complex, which is a useful oxidizing agent.
More powerful sulfonylating reagent than the sulfonyl chloride, also avoiding possible displacement of sulfonate by halide. With a catalytic amount of the acid effects mesylation of deactivated aromatics such as 1,3-dichlorobenzene: Chem. Lett., 395 (1988); mesyl chloride is ineffective.
Primary and secondary alcohols may be oxidized to carbonyl compounds by sulfonic anhydrides in DMSO: J. Org. Chem., 39, 1977 (1974). For related methods, see Dimethyl sulfoxide, A13280.
Liu, W., Tilley, T. D. Sterically Controlled Functionalization of Carbon Surfaces with- C6H4CH2X (X= OSO2Me or N3) Groups for Surface Attachment of Redox-Active Molecules. Langmuir 2015, 31 (3), 1189-1195.
Hu, Y.; Zhang, F.; Zhang, C.; Zhang, M. Anti-inflammatory Properties of an Active Sesquiterpene Lactone and its Structure-Activity Rela-tionship. Med chem 2015, 5, 354-360.
Gefahrenhinweise (EU): H314-H318
Causes severe skin burns and eye damage. Causes serious eye damage.
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