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Keywords:

  • aryl boronic acids;
  • copper catalysis;
  • oxidative coupling;
  • sulfur;
  • trifluoromethylthiolation
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Fluorinated functionality: The copper-catalyzed oxidative trifluoromethylthiolation of aryl boronic acids with TMSCF3 and elemental sulfur at room temperature is described for the first time. This reaction provides a concise and efficient method for the synthesis of aryl trifluoromethyl thioethers (ArSCF3) under mild conditions. Phen=Phenanthroline.