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    Novel co-catalytic activity of zinc metal with classical initiators for the ring opening polymerisation of norbornene


    Fitzgerald, Ross P. and Rooney, A. Denise (2007) Novel co-catalytic activity of zinc metal with classical initiators for the ring opening polymerisation of norbornene. Journal of Molecular Catalysis A: Chemical, 261 (1). pp. 24-28. ISSN 1381-1169

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    Abstract

    Zinc metal was shown to considerably increase the activity of the metal(III) chloride salts of ruthenium, iridium and osmium as metathesis initiators for the ROMP of norbornene. The stereochemistry of the polymers formed was determined by 1H and 13C NMR. Formation of the initial carbene species is not via the normally accepted vinyl hydride mechanism. An alternative mechanism involving a metallacyclopentane intermediate is postulated.

    Item Type: Article
    Keywords: Ruthenium(III) chloride; Norbornene; ROMP; Zinc; Olefin metathesis;
    Academic Unit: Faculty of Science and Engineering > Chemistry
    Item ID: 7981
    Identification Number: https://doi.org/10.1016/j.molcata.2006.07.031
    Depositing User: Dr. Denise Rooney
    Date Deposited: 01 Mar 2017 16:03
    Journal or Publication Title: Journal of Molecular Catalysis A: Chemical
    Publisher: Elsevier
    Refereed: Yes
    Funders: Enterprise Ireland (EI)
    URI:

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