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Keywords:

  • boranes;
  • metathesis;
  • phosphane;
  • P ligands
Thumbnail image of graphical abstract

Grubbs' catalyst [Cl2Ru{P(C6H11)3}2=CHPh] can be used to synthesize borane complexes of cyclic phosphanes by ring-closing metathesis reactions. This strategy has been applied, for example, to the preparation of a borane-protected bisphosphanes [Eq. (1)].