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Communication
Chem. Commun., 2009, 5993 - 5995, DOI: 10.1039/b913962a
Acid-mediated formation of trifluoromethyl sulfonates from sulfonic acids and a hypervalent iodine trifluoromethylating agent
Raffael Koller, Quentin Huchet, Philip Battaglia, Jan M. Welch and Antonio Togni
A variety of sulfonic acids have been trifluoromethylated using 1-trifluoromethyl-1,2-benziodoxol-3(1H)-one under mild conditions in good to excellent yields. Initial mechanistic investigations of this reaction show a clean second-order kinetics and only very weak substrate electronic effects.
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