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Biotin[6]uril Esters: Chloride-Selective Transmembrane Anion Carriers Employing C-H···Anion Interactions.

par Lisbjerg, Micke;Valkenier, Hennie ;Jessen, Bo;Al-Kerdi, Hana;Davis, Anthony;Pittelkow, Michael
Référence Journal of the American Chemical Society, 137, 15, page (4948-4951)
Publication Publié, 2015-04

Article révisé par les pairs

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Résumé :

Biotin[6]uril hexaesters represent a new class of anionophores which operate solely through C-H···anion interactions. The use of soft H-bond donors favors the transport of less hydrophilic anions (e.g., Cl(-), NO3(-)) over hard, stongly hydrated anions (e.g., HCO3(-) and SO4(2-)). Especially relevant is the selectivity between chloride and bicarbonate, the major inorganic anions in biological systems.