X. Hou, K. Kobiro
Jan 5, 2006
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0
Influential Citations
5
Citations
Journal
Chemistry Letters
Abstract
Commercially available 4-(N,N-dimethylamino)benzoic acid (1) was directly applied for anion recognition in CH 3 CN. It showed remarkable affinity and selectivity to divalent anions HPO 4 2- and SO 4 2- over monovalent anions such as H 2 PO 4 - , HSO 4 - , ClO 4 - , BF 4 - , PF6-, and NO 3 - in terms of UV-vis and fluorescence titrations. The combination of the basicity and charge density of guest anions played an important role in the selectivity of host 1 toward anions.