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Keywords:

  • cavitands;
  • C[BOND]C bond formation;
  • cyclodextrins;
  • oschelation;
  • phosphanes
Thumbnail image of graphical abstract

Non-conventional coordination chemistry occurs upon encapsulation of metal fragments in the cavity of a β-cyclodextrin-derived diphosphane (WIDEPHOS). It was found possible to form otherwise unstable metal species and slow down coordination processes, allowing the elucidation of novel mechanistic pathways for carbon[BOND]carbon bond-forming reactions.