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Abstract A novel reagent, (oxido)phenyl(trifluoromethyl)‐λ 4 ‐sulfanylidenedimethylammonium tetrafluoroborate has been developed for the electrophilic trifluoromethylation of carbon nucleophiles. The reagent was designed as a trifluorinated version of a Johnson‐type methyl‐transfer reagent. The firstexample of vinylogous trifluoromethylation of dicyanoalkylidenes is also demonstrated.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)
Noritake et al. (Thu,) studied this question.