N-heterocyclic carbenes as activating ligands for hydrogenation and isomerization of unactivated olefins

UL Dharmasena, HM Foucault, EN dos Santos, DE Fogg, Steven Patrick Nolan

Research output: Contribution to journalArticlepeer-review

66 Citations (Scopus)

Abstract

The new hydridoruthenium complexes RuH-Cl(CO)(NHC)(PPh3) (NHC = IMes (4a), H(2)IMes (4b)), conveniently accessible from RuHCl(CO)(PPh3)(3), exhibit high activity for hydrogenation of unactivated internal olefins and isomerization of terminal olefins. The lability of the PPh3 ligand is fundamental to the utility of 4: where this group is replaced by the relatively nonlabile PCy3 ligand, the activating effect of the N-heterocyclic carbene is suppressed.

Original languageEnglish
Pages (from-to)1056-1058
Number of pages3
JournalOrganometallics
Volume24
Issue number6
DOIs
Publication statusPublished - 14 Mar 2005

Keywords

  • RING-CLOSING METATHESIS
  • HOMOGENEOUS HYDROGENATION
  • TANDEM CATALYSIS
  • IMIDAZOL-2-YLIDENE LIGANDS
  • RUTHENIUM CATALYSTS
  • COMPLEXES BEARING
  • C-C
  • ALCOHOLS
  • IRIDIUM
  • STABILITY

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