Isolable Pyridinium Trifluoromethoxide Salt for Nucleophilic Trifluoromethoxylation.
Geraldo Duran-CamachoDevin M FergusonJeff W KampfDouglas C BlandMelanie S SanfordPublished in: Organic letters (2021)
An isolable pyridinium trifluoromethoxide salt is prepared from the reaction of 4-dimethylaminopyridine with the commercially available liquid 2,4-dinitro(trifluoromethoxy)benzene. The salt is an effective trifluoromethoxide source for SN2 reactions to form trifluoromethyl ethers.
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