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    Isolation and Characterization of Well-Defined Silica-Supported Azametallacyclopentane: A Key Intermediate in Catalytic Hydroaminoalkylation Reactions

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    Type
    Article
    Authors
    Hamzaoui, Bilel cc
    Pelletier, Jeremie cc
    El Eter, Mohamad
    Chen, Yin
    Abou-Hamad, Edy cc
    Basset, Jean-Marie cc
    KAUST Department
    Chemical Science Program
    KAUST Catalysis Center (KCC)
    KAUST Solar Center (KSC)
    Physical Science and Engineering (PSE) Division
    Date
    2015-09-25
    Online Publication Date
    2015-09-25
    Print Publication Date
    2015-10-12
    Permanent link to this record
    http://hdl.handle.net/10754/578864
    
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    Abstract
    Intermolecular catalytic hydroaminoalkylation of unactivated alkene occurs with silica-supported azazirconacyclopropane [[TRIPLE BOND]Si[BOND]O[BOND]Zr(HNMe2)(η2-NMeCH2)(NMe2)]. Mechanistic studies were conducted using surface organometallic chemistry (SOMC) concepts to identify the key surface intermediates. The azametallacyclopentene intermediate {[TRIPLE BOND]Si[BOND]O[BOND]Zr(HNMe2)[η2-NMeCH2CH(Me)CH2](NMe2)} was isolated after treating with 1-propylene and characterized by FT-IR spectroscopy, elemental analysis, 1H 13C HETCOR, DARR SS-NMR and DQ TQ SS-NMR. The regeneration of the catalyst was conducted by dimethylamine protonolysis to yield the pure amine.
    Citation
    Isolation and Characterization of Well-Defined Silica-Supported Azametallacyclopentane: A Key Intermediate in Catalytic Hydroaminoalkylation Reactions 2015:n/a Advanced Synthesis & Catalysis
    Publisher
    Wiley
    Journal
    Advanced Synthesis & Catalysis
    DOI
    10.1002/adsc.201500484
    Additional Links
    http://doi.wiley.com/10.1002/adsc.201500484
    ae974a485f413a2113503eed53cd6c53
    10.1002/adsc.201500484
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Science Program; KAUST Catalysis Center (KCC); KAUST Solar Center (KSC)

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