The activation mechanism of Ru-indenylidene complexes in olefin metathesis

César A. Urbina-Blanco, Albert Poater, Tomáš Lébl, Simone Manzini, Alexandra M. Z. Slawin, Luigi Cavallo, Steven P. Nolan

Research output: Contribution to journalArticlepeer-review

89 Scopus citations

Abstract

Olefin metathesis is a powerful tool for the formation of carbon-carbon double bonds. Several families of well-defined ruthenium (Ru) catalysts have been developed during the past 20 years; however, the reaction mechanism for all such complexes was assumed to be the same. In the present study, the initiation mechanism of Ru-indenylidene complexes was examined and compared with that of benzylidene counterparts. It was discovered that not all indenylidene complexes followed the same mechanism, highlighting the importance of steric and electronic properties of so-called spectator ligands, and that there is no single mechanism for the Ru-based olefin metathesis reaction. The experimental findings are supported quantitatively by DFT calculations. © 2013 American Chemical Society.
Original languageEnglish (US)
Pages (from-to)7073-7079
Number of pages7
JournalJournal of the American Chemical Society
Volume135
Issue number18
DOIs
StatePublished - Apr 25 2013

ASJC Scopus subject areas

  • Biochemistry
  • Colloid and Surface Chemistry
  • Chemistry(all)
  • Catalysis

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