Backbone tuning in indenylidene-ruthenium complexes bearing an unsaturated N-heterocyclic carbene

Cesar A. Urbina-Blanco, Xavier Bantreil, Herve Clavier, Alexandra M. Z. Slawin, Steven P. Nolan

Research output: Contribution to journalArticlepeer-review

52 Citations (Scopus)

Abstract

The steric and electronic influence of backbone substitution in IMes-based (IMes = 1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene) N-heterocyclic carbenes (NHC) was probed by synthesizing the [RhCl(CO)(2)(NHC)] series of complexes to quantify experimentally the Tolman electronic parameter (electronic) and the percent buried volume (%V-bur, steric) parameters. The corresponding ruthenium-indenylidene complexes were also synthesized and tested in benchmark metathesis transformations to establish possible correlations between reactivity and NHC electronic and steric parameters.

Original languageEnglish
Pages (from-to)1120-1126
Number of pages7
JournalBeilstein Journal of Organic Chemistry
Volume6
DOIs
Publication statusPublished - Nov 2010

Keywords

  • N-heterocyclic carbene
  • Olefin metathesis
  • Percent buried volume
  • Ruthenium-indenylidene
  • Tolman electronic parameter

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