Ruthenium Induced C-N Bond Activation of an N-Heterocyclic Carbene: Isolation of C- and N-Bound Tautomers

Suzanne Burling, Mary F Mahon, Rachael E Powell, Michael K Whittlesey, Jonathan M J Williams

Research output: Contribution to journalArticle

151 Citations (Scopus)

Abstract

C-N bond activation of the N-heterocyclic carbene 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene occurs with Ru(PPh3)3(CO)HCl to give the C-2 bound 1-isopropyl-4,5-dimethylimidazol-2-ylidene complex Ru(C-IiPrHMe2)(PPh3)2(CO)HCl via loss of propene. In the presence of free carbene, this undergoes tautomerism to the corresponding imidazole compd. Ru(N-IiPrHMe2)(PPh3)2(CO)HCl. The crystal structures of both carbon and nitrogen bound tautomers is described.
Original languageEnglish
Pages (from-to)13702-13703
Number of pages2
JournalJournal of the American Chemical Society
Volume128
Issue number42
Publication statusPublished - 2006

Keywords

  • heterocyclic carbene tautomer ruthenium imidazolylidene prepn crystal mol structure
  • Tautomers (isolation and structural characterization of carbon- and nitrogen-bound tautomers prepd. via ruthenium induced carbon-nitrogen bond activation of N-heterocyclic carbene)
  • ruthenium carbon nitrogen bond activation
  • Bond (carbon-nitrogen activation
  • Crystal structure
  • isolation and structural characterization of carbon- and nitrogen-bound tautomers prepd. via ruthenium induced carbon-nitrogen bond activation of N-heterocyclic carbene)
  • isopropyl dimethyl imidazolylidene reaction ruthenium carbonyl phosphine hydride
  • PREP (Preparation) (isolation and structural characterization of carbon- and nitrogen-bound tautomers prepd. via ruthenium induced carbon-nitrogen bond activation of N-heterocyclic c
  • PRP (Properties)
  • Carbene complexes Role
  • Molecular structure (of carbon- and nitrogen-bound tautomers of ruthenium induced carbon-nitrogen bond activation of N-heterocyclic carbene)
  • SPN (Synthetic preparation)

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