Publication details

Modulation of Bambusuril Anion Affinity in Water

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HAVEL Václav BABIAK Michal ŠINDELÁŘ Vladimír

Year of publication 2017
Type Article in Periodical
Magazine / Source Chemistry - A European Journal
MU Faculty or unit

Faculty of Science

Field Organic chemistry
Keywords anion recognition; bambusurils; macrocycles; self-assembly; supramolecular chemistry
Description Neutral and negatively charged anion receptors functioning in pure water are rare in supramolecular chemistry. Moreover, studies on adjusting the affinity of such receptors toward anions in water are absent from the literature. Two new bambusurils, 1a and 2a, were prepared to demonstrate that the affinity of bambusurils towards anions can be altered by the length of carboxyalkyl groups attached to the macrocycles. The stability of the bambusuril complexes was further controlled by the pH value. The crystal structure of bambusuril 1a was described, in which two carboxyalkyl arms fold into the macrocycle cavity, thus forming the intramolecular self-inclusion complex.
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