Cationic Tungsten(VI) Penta-Methyl Complex: Synthesis, Characterization and its Application in Olefin Metathesis Reaction
Hamieh, Ali Imad Ali
Emwas, Abdul-Hamid M.
Kavitake, Santosh Giridhar
KAUST DepartmentChemical Science Program
Competitive Research Funds
Imaging and Characterization Core Lab
KAUST Catalysis Center (KCC)
OCRF- Special Academic Partnership
Upstream Petroleum Engineering Research Center (UPERC)
Online Publication Date2016-04-13
Print Publication Date2016-03
Permanent link to this recordhttp://hdl.handle.net/10754/609437
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AbstractTungsten-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.
CitationCationic Tungsten(VI) Penta-Methyl Complex: Synthesis, Characterization and its Application in Olefin Metathesis Reaction 2016, 71 (2):21 Oil & Gas Science and Technology – Revue d’IFP Energies nouvelles
SponsorsThis work was supported by funds from King Abdullah University of Science and Technology. RD would like to acknowledge SABIC for his SABIC postdoctoral fellowship.