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Molecular recognition of alkali-ions by crown-ether-functionalized poly(alkylthiophenes)

Authors

  • Dr. Peter Bäuerle,

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    1. Institut für Organische Chemie und Isotopenforschung der Universität Stuttgart Pfaffenwaldring 55, D-70569 Stuttgart (FRG)
    • Institut für Organische Chemie and Isotopenforschung der Universität Stuttgart Pfaffenwaldring 55, D-70569 Stuttgart (FRG)
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  • Stefan Scheib

    1. Institut für Organische Chemie und Isotopenforschung der Universität Stuttgart Pfaffenwaldring 55, D-70569 Stuttgart (FRG)
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  • Presented at the EMRS Spring Meeting 1993, Strasbourg, May 1993. This work was supported by the Deutsche Forschungsgemeinschaft (SFB 329).

Abstract

New crown-ether-functionalized alkyl(oligothiophene)s (see Figure) have been synthesized and electropolymerized to alkali metal ion sensitive poly(alkylthiophene)s. It is shown for the first time that the redox chemistry of a conducting polymer is strongly influenced by the specific host-guest interaction, although the crown ether units are not π-conjugated to the conducting backbone but separated by an insulating oxa-alkyl chain.

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