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A copper-CF2 H complex generated in situ from copper thiocyanate and TMSCF2 H smoothly converts organothiocyanates into valuable difluoromethyl thioethers. This reaction step can be combined with several thiocyanation methods to one-pot protocols, allowing late-stage difluoromethylthiolations of widely available alkyl halides and arenediazonium salts. This strategy enables the introduction of difluoromethylthio groups-a largely unexplored substituent with highly promising properties-into drug-like molecules.
Bayarmagnai et al. (Thu,) studied this question.