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Methyl trifluoromethanesulfonate, also commonly called methyl triflate and abbreviated MeOTf, is the organic compound with the formula CF 3 SO 2 OCH 3.It is a colourless liquid which finds use in organic chemistry as a powerful methylating agent. [2]
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Sodium trifluoromethanesulfinate (CF 3 SO 2 Na) is the sodium salt of trifluoromethanesulfinic acid. Together with t-butyl hydroperoxide, an oxidant, this compound was found to be a suitable reagent for introducing trifluoromethyl groups onto electron-rich aromatic compounds by Langlois; this reagent is also known as the Langlois reagent.
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It was also used in Takahashi Taxol total synthesis and in chemical glycosylation reactions. [5]Trimethylsilyl trifluoromethanesulfonate has a variety of other specialized uses.
Methyl fluorosulfonate is a highly electrophilic reagent for methylation. It is ranked as less powerful than methyl trifluoromethanesulfonate. It is ranked as less powerful than methyl trifluoromethanesulfonate.
It is used to prepare alkyl triflates from alkyl halides: [5] CF 3 SO 2 OAg + RX → CF 3 SO 2 OR + AgX (X = iodide usually). In coordination chemistry, the salt is also useful to replace halide ligands with the more labile triflate ligand.