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Keywords:

  • complexes with phosphorus ligands;
  • electrochemistry;
  • rhodium compounds
Thumbnail image of graphical abstract

Electrochemical control over the ligand sphere of transition metals is achieved with a new class of redox-switchable hemilabile ligands (RHL). Electrochemical oxidation of the RHL[BOND]Rh1 complex 1 results in a dimerization to 2. In solution at low concentrations, 1 is the dominant species, while at higher concentrations and in the solid state, the reduced form of 2 (= 2 + 4e) is favored. Fc = ferrocenyl; the counterion is BFmath image.