Tungsten phenoxide catalysts in olefin metathesis reactions: relation between activity and stereoselectivity

F. Quignard*, M. Leconte, Jean-Marie Maurice Basset

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Two types of tungsten phenoxide catalysts have been synthesized; viz. {A figure is presented} and {A figure is presented}, respectively. When associated with C2H5AlCl2, these precursor complexes exhibit a fair and an extremely high catalytic activity for A and B respectively. Within each series there is a relationship between activity and stereoselectivity, the most active catalysts being those which are the least stereoselective with a limiting value of unity for the trans/cis ratio of the products. The results are explained on the basis of a simple theory which correlates the activity and the stereoselectivity with the respective energy levels of the metallacyclobutane complex and of the metallacarbene-olefin complex.

Original languageEnglish (US)
Pages (from-to)27-32
Number of pages6
JournalJournal of molecular catalysis
Volume28
Issue number1-3
DOIs
StatePublished - Jan 1 1985

ASJC Scopus subject areas

  • Engineering(all)

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