Tin and iron halogenides as additives in ruthenium-catalyzed olefin metathesis

W H Meyer, A E McConnell, G S Forman, C L Dwyer, M M Kirk, E L Ngidi, A Blignaut, D Saku, A M Z Slawin

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

Different metal halogenides were used as additives in metathesis of 1-octene or in several cross-metathesis reactions catalysed by first and second generation Grubbs catalyst, 1 and 2, as well as by an improved first generation-type Grubbs catalyst 3. Tin(II) chloride and bromide enhance the performance of 1 and 3. The influence on 2 is rather minor under the chosen reaction conditions. The addition of iron(II) chloride and bromide results in an improvement of 1 to a lesser extent as the tin salts. The frequently observed isomerisation of olefins in metathesis reactions catalysed by 1 is suppressed in the presence of the applied tin salts. (c) 2005 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)2910-2917
Number of pages8
JournalInorganica Chimica Acta
Volume359
DOIs
Publication statusPublished - 1 Jun 2006

Keywords

  • ruthenium carbene complex
  • metathesis
  • additive
  • promoter
  • tin
  • iron
  • Ru-Sn bond
  • HIGHLY EFFICIENT
  • LIGANDS
  • COMPLEXES
  • METHANOL
  • BR
  • HYDROFORMYLATION
  • MECHANISM
  • CRYSTAL
  • SYSTEM
  • CL

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