PhI(OTf)2 Does Not Exist (Yet)*.
null TaniaSevan D HoustonLachlan Sharp-BucknallTiffany B PoynderMohammad AlbayerJason L DuttonPublished in: Chemistry (Weinheim an der Bergstrasse, Germany) (2020)
PhI(OTf)2 has been used for the past 30 years as a strong I(III) oxidant for organic and inorganic transformations. It has been reported to be generated in situ from the reactions of either PhI(OAc)2 or PhI=O with two equivalents of trimethylsilyl trifluoromethanesulfonate (TMS-OTf). In this report it is shown that neither of these reactions generate a solution with spectroscopic data consistent with PhI(OTf)2 , with supporting theoretical calculations, and thus this compound should not be invoked as the species acting as the oxidant for transformations that have been associated with its use.