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    Single Site Silica Supported Tetramethyl Niobium by the SOMC Strategy: Synthesis, Characterization and Structure-Activity Relationship in Ethylene Oligomerization Reaction

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    Type
    Article
    Authors
    Hamieh, Ali Imad Ali cc
    Dey, Raju cc
    Nekoueishahraki, Bijan
    Samantaray, Manoja
    Chen, Yin
    Abou-Hamad, Edy cc
    Basset, Jean-Marie cc
    KAUST Department
    Ali I. Al-Naimi Petroleum Engineering Research Center (ANPERC)
    Chemical Science Program
    KAUST Catalysis Center (KCC)
    KAUST Solar Center (KSC)
    Physical Science and Engineering (PSE) Division
    Date
    2017
    Permanent link to this record
    http://hdl.handle.net/10754/624913
    
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    Abstract
    Silica supported Tetramethyl niobium complex [(≡SiO)NbMe4] 2 has been isolated by surface alkylation of [(≡SiO-)NbCl3Me] 1 with dimethyl zinc in pentane. 1 can be easily synthesized by grafting of NbCl3Me2 on to the surface of partially dehydroxylated silica by the SOMC strategy. Precise structural analysis was carried out by the FTIR, advance solid state NMR, elemental analysis and mass balance techniques (gas quantification after treating 2 with degassed water) . Complex 1 was found to be active in the ethylene oligomerization to produce up to C30, whereas to our surprise complex 2 selectively dimerizes ethylene into 1-butene in the absence of a co-catalyst at the same conversion levels.
    Citation
    Hamieh A, Dey R, Nekoueishahraki B, samantaray manoja, Chen Y, et al. (2017) Single Site Silica Supported Tetramethyl Niobium by the SOMC Strategy: Synthesis, Characterization and Structure-Activity Relationship in Ethylene Oligomerization Reaction. Chem Commun. Available: http://dx.doi.org/10.1039/c7cc02585h.
    Sponsors
    This work was supported by funds from King Abdullah University of Science and Technology (KAUST) office of sponsored research (OSR).
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Chemical Communications
    DOI
    10.1039/c7cc02585h
    PubMed ID
    28621361
    Additional Links
    http://pubs.rsc.org/en/Content/ArticleLanding/2017/CC/C7CC02585H#!divAbstract
    ae974a485f413a2113503eed53cd6c53
    10.1039/c7cc02585h
    Scopus Count
    Collections
    Articles; Ali I. Al-Naimi Petroleum Engineering Research Center (ANPERC); Physical Science and Engineering (PSE) Division; Chemical Science Program; KAUST Catalysis Center (KCC); KAUST Solar Center (KSC)

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