Ruthenium olefin metathesis catalysts containing fluoride

Stefano Guidone, Olivier Songis, Laura Falivene , Fady Nahra, Alexandra Martha Zoya Slawin, Heiko Jacobsen, Luigi Cavallo, Catherine S.J. Cazin

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The reaction of the ruthenium complex cis-Caz-1 with silver fluoride affords the first example of an active olefin metathesis pre-catalyst containing fluoride ligands. The cis geometry of the precursor complex is key to the successful fluoride exchange reaction. Computational studies highlight the stability of the new Ru-F species, due to push-pull interactions between fluoride and L-type ligands (L: N-heterocyclic carbene, phosphite). Insights into the isomerization process from trans-Caz-1 to cis-Caz-1 are given. Fluoride exchange reactions were performed involving cis- and trans-Caz-1 complexes. Catalytic tests showcase the excellent activity of the Ru-F containing complexes.

Original languageEnglish
Pages (from-to)3932–3939
JournalACS Catalysis
Issue number7
Early online date1 Jun 2015
Publication statusPublished - 2 Jul 2015


  • Olefin metathesis
  • Homogeneous Catalysis
  • Ruthenium
  • Fluoride
  • Halide exchange


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