Catalytic homologation of olefins to higher and lower olefins: a metathesis related reaction

M. Leconte*, A. Theolier, Jean-Marie Maurice Basset

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

With Fe/SiO2, Ru/SiO2 and Os/SiO2, any acyclic olefin (e.g. ethylene, propylene or isobutene) homologates at 200 - 300°C to yield higher and lower olefins with the simultaneous formation of methane. The reaction is catalytic when H2 is present. The main features of such reactions are reported, i.e. conversions, turnover numbers, product distribution, effect of contact time on the selectivity for α-olefins and branched olefins. The results are compared with those obtained in Fischer-Tropsch syntheses. It is shown that the mode of C-C bond formation for the hydrocondensation of CO or olefin homologation is the same. Two possible mechanisms are discussed to account for the data. These mechanisms assume either the insertion of a carbene into a metal-alkyl bond or the attack of a carbene on a coordinated olefin.

Original languageEnglish (US)
Pages (from-to)217-231
Number of pages15
JournalJournal of molecular catalysis
Volume28
Issue number1-3
DOIs
StatePublished - Jan 1 1985

ASJC Scopus subject areas

  • Engineering(all)

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