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Keywords:

  • antimony;
  • fluoride sensing;
  • hypervalence;
  • Lewis acids;
  • palladium
Thumbnail image of graphical abstract

Turn on the lantern! The stibine donor ligand of a cationic palladium complex acts as a Lewis acid and reacts with a fluoride anion to afford the corresponding fluorostiboranyl–palladium species (see scheme). Bindung of the fluoride anion to the antimony center induces a change in denticity of the triphosphine unit and leads to a bright-orange trigonal-bipyramidal d8 lantern complex.