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  • Title: N,N'-disubstituted methylenediimidazolium salts: a versatile guest for various macrocycles.
    Author: Noujeim N, Leclercq L, Schmitzer AR.
    Journal: J Org Chem; 2008 May 16; 73(10):3784-90. PubMed ID: 18407689.
    Abstract:
    N,N'-Disubstituted methylenediimidazolium salts allow the formation of flexible inclusion complexes with beta-cyclodextrin, cucurbit[7]uril, tetrapropoxycalix[4]arene, and dibenzo-24-crown-8 ether. Due to the salt nature of the imidazolium guest, the counterion largely determines its solubility in a given solvent. Moreover, by the judicious choice of the imidazolium substituents, inclusion complexes of guest salts were obtained with a variety of macrocyclic hosts, and the binding parameters of the inclusion were determined for each complex.
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