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Modulation of Bambusuril Anion Affinity in Water

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HAVEL Václav BABIAK Michal ŠINDELÁŘ Vladimír

Rok publikování 2017
Druh Článek v odborném periodiku
Časopis / Zdroj Chemistry - A European Journal
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www http://onlinelibrary.wiley.com/doi/10.1002/chem.201701316/abstract
Doi http://dx.doi.org/10.1002/chem.201701316
Obor Organická chemie
Klíčová slova anion recognition; bambusurils; macrocycles; self-assembly; supramolecular chemistry
Popis 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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