Cationic Tungsten(VI) Penta-Methyl Complex: Synthesis, Characterization and its Application in Olefin Metathesis Reaction

Raju Dey, Manoja Samantaray, Emmanuel Callens, Ali Imad Ali Hamieh, Abdul-Hamid M. Emwas, Edy Abou-Hamad, Santosh Giridhar Kavitake, Jean-Marie Basset

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Tungsten-hexa-methyl readily reacts with B(C6F5)3 in dichloromethane and generates the corresponding well-defined cationic tungsten-penta-methyl complex which was identified precisely by 1H NMR, 13C NMR, 1H-13C NMR correlation spectroscopy. Unlike WMe6, this cationic complex has low energy barrier to form tungsten carbene intermediate, which was further supported by the fact that WMe6 alone has no activity in olefin metathesis reaction whereas the cationic complex shows catalytic activity for self-metathesis of 1-octene.
Original languageEnglish (US)
Pages (from-to)21
JournalOil & Gas Science and Technology – Revue d’IFP Energies nouvelles
Volume71
Issue number2
DOIs
StatePublished - Apr 13 2016

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