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  • Title: Synthesis and structure of mono-bridged resorcinarene host: a ditopic receptor for ammonium guests.
    Author: Salorinne K, Tero TR, Riikonen K, Nissinen M.
    Journal: Org Biomol Chem; 2009 Oct 21; 7(20):4211-7. PubMed ID: 19795059.
    Abstract:
    The synthesis and structural properties of tetramethoxy resorcinarene mono-crown-5 (1) are described. The binding characteristics of 1 toward acetylcholine and tetramethylammonium salts were investigated by 1H NMR titration. It was observed that the cavity of 1 provides a better fit to acetylcholine compared to the smaller tetramethylammonium cation, as acetylcholine is able to interact with both the crown ether moiety and the free hydroxyl groups of receptor 1 simultaneously.
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