Kinetic Studies on Complexation Reactions of Lithium Ion with Cryptand C211 in Ionic Liquids by Using 7Li NMR

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  • Atsushi Shirai
    Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
  • Yasuhisa Ikeda
    Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology

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Abstract

<jats:title>Abstract</jats:title> <jats:p>Kinetic studies on complexation reactions of LiI with cryptand C211 in N,N-diethyl-N-methyl-N-(2-methoxyethyl)ammonium bis(trifluoromethylsulfonyl)imide (DEMETFSI) and 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (EMITFSI) have been carried out using 7Li NMR. It was found that the reaction rates in both solutions depend on concentrations of free LiI and that their kinetic parameters are almost same. From these results, it is proposed that the LiI complexation reactions in DEMETFSI and EMITFSI solutions proceed though bimolecular mechanism.</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 37 (5), 552-553, 2008-04-19

    Oxford University Press (OUP)

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