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    Well-defined silica supported bipodal molybdenum oxo alkyl complexes: a model of the active sites of industrial olefin metathesis catalysts

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    Merle_Manuscript_Revised.pdf
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    Description:
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    Type
    Article
    Authors
    Merle, Nicolas cc
    Le Quéméner, Frédéric
    Barman, Samir
    Samantaray, Manoja
    Szeto, Kai C.
    De Mallmann, Aimery
    Taoufik, Mostafa
    Basset, Jean-Marie cc
    KAUST Department
    Chemical Science Program
    KAUST Catalysis Center (KCC)
    Physical Science and Engineering (PSE) Division
    Date
    2017
    Permanent link to this record
    http://hdl.handle.net/10754/625827
    
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    Abstract
    A well-defined, silica-supported molybdenum oxo alkyl species, ([triple bond, length as m-dash]SiO-)2Mo([double bond, length as m-dash]O)(CH2tBu)2, was prepared by the selective grafting of Mo([double bond, length as m-dash]O)(CH2tBu)3Cl onto a silica partially dehydroxylated at 200 °C using a rigorous surface organometallic chemistry approach. The immobilized bipodal surface species, partly resembling the active species of industrial MoO3/SiO2 olefin metathesis catalysts, exhibited excellent functional group tolerance in conjunction with its high activity in homocoupling, self and ring closing olefin metathesis.
    Citation
    Merle N, Le Quéméner F, Barman S, Samantaray MK, Szeto KC, et al. (2017) Well-defined silica supported bipodal molybdenum oxo alkyl complexes: a model of the active sites of industrial olefin metathesis catalysts. Chem Commun. Available: http://dx.doi.org/10.1039/c7cc06041f.
    Sponsors
    This study was supported by the Competitive Research Grant Program, supported by the KAUST Research Fund (project # 2174 CRG3). We would like to thank Olivier Mathon for his help during the recording of the XAS spectra on the BM23 beam-line at ESRF (experiment code IN-986).
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Chem. Commun.
    DOI
    10.1039/c7cc06041f
    PubMed ID
    28967651
    Additional Links
    http://pubs.rsc.org/en/Content/ArticleLanding/2017/CC/C7CC06041F#!divAbstract
    ae974a485f413a2113503eed53cd6c53
    10.1039/c7cc06041f
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Science Program; KAUST Catalysis Center (KCC)

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