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Keywords:

  • electrophilic addition;
  • fluorine;
  • hypervalent iodine;
  • trifluoromethylthiolation
Thumbnail image of graphical abstract

Sulfur and friends: A new electrophilic hypervalent iodine reagent 1 has been developed for direct trifluoromethylthiolation. A variety of nucleophiles, including β-ketoesters, aldehydes, amides, aryl or vinyl boronic acids, and alkynes, reacted with 1 under mild conditions to give the corresponding trifluoromethylthiolated compounds in good to excellent yields.