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Keywords:

  • alkynes;
  • aminophosphines;
  • cis selectivity;
  • C[BOND]S bond formation;
  • hydrothiolation;
  • reaction mechanisms
Thumbnail image of graphical abstract

Cis all round: Dichlorobis[1-(dicyclohexylphosphanyl)piperidine]palladium, [(P{(NC5H10)(C6H11)2})2Pd(Cl)2], is a highly efficient alkyne hydrothiolation catalyst and the first generally applicable system that selectively generates cis-configured anti-Markovnikov adducts in excellent yields within only a few minutes at 120 °C in the presence of only 0.05 mol % of the catalyst (see scheme).