Water-mediated inclusion of benzoates and tosylates inside the bambusuril macrocycle

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Authors

HAVEL Václav ŠINDELÁŘ Vladimír NEČAS Marek KAIFER Angel E

Year of publication 2014
Type Article in Periodical
Magazine / Source CHEMICAL COMMUNICATIONS
MU Faculty or unit

Faculty of Science

Citation
Doi http://dx.doi.org/10.1039/c3cc47828a
Field Organic chemistry
Keywords Protein; Capsules; Solvents; Family
Description A supramolecular complex between benzoates and a bambusuril crystallizes out immediately after mixing in chloroform but only in the presence of residual water molecules. In this complex each of the two portals of the macrocycle is occupied by one benzoate. Carboxylate groups are connected through hydrogen bonding interactions with one molecule of water positioned between them in the center of the bambusuril cavity. Similar water assisted host–guest behavior was also observed when tosylates instead of benzoates were used.
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