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Keywords:

  • Rhodium;
  • S ligands;
  • Nitrogen heterocycles;
  • Carbenes

Abstract

The N-heterocyclic carbene NHC/thione ligand precursors 1-[(3-R-2-thioxo-2H-imidazol-1-yl)methyl]-3-R-2H-imidazol-2-ium hexafluorophosphate, [HCSR]PF6 (R = methyl, benzyl) have been prepared and used in the synthesis of the complexes [Rh(CSR)(cod)][PF6] (R = methyl, benzyl; cod = 1,5-cyclooctadiene). The coordination and structural features of the novel ditopic NHC/thione ligands have been explored.