Abstract
AbstractWe report a simple protocol for (ethoxycarbonyl)difluoromethylthiolation of nucleophilic compounds using a difluoroalkyl sulfonium salt which can be prepared in situ via Tf2O-triggered electrophilic activation of a benzyl difluoroalkyl sulfoxide. With the protocol, difluoroalkylthiolated arenes, heteroarenes, α-difluoroalkylthiolated carbonyl compounds, etc. were obtained smoothly with good to excellent yields. Merits of the reaction include the readily available difluoroalkylthiolation reagent and substrates, mild conditions, and excellent regioselectivity.
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