Olefin metathesis catalyst bearing a chelating phosphine ligand

Christina Lexer, Daniel Burtscher, Bernhard Perner, Eyal Tzur, N. Gabriel Lemcoff, Christian Slugovc

Research output: Contribution to journalShort surveypeer-review

30 Scopus citations

Abstract

An improved synthetic procedure for the complex (SPY-5-34)-dichloro- (κ2(C,P)-diphenyl-(2-benzylidene)-phosphine)-(1,3-bis(2,4, 6-trimethylphenyl)-4,5-dihydro-imidazol-2-ylidene)-ruthenium (2) was elaborated and the title compound was tested as latent initiator in Ring Opening Metathesis Polymerization (ROMP) and as catalyst for Ring-Closing Metathesis (RCM) at elevated temperatures. While not particularly suited as latent initiator for ROMP, exhibiting a switching temperature of only 42 °C in the polymerization of a typical norbornene derivative, 2 shows an appealing performance in RCM of α,ω-dienes at higher temperatures.

Original languageEnglish
Pages (from-to)2466-2470
Number of pages5
JournalJournal of Organometallic Chemistry
Volume696
Issue number11-12
DOIs
StatePublished - 1 Jan 2011

Keywords

  • Catalyst
  • Olefin metathesis
  • ROMP
  • Ruthenium

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