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Title: A urea-incorporated receptor for aromatic carboxylate anion recognition
Authors: Fan, A.
Hong, H.K.
Valiyaveettil, S. 
Vittal, J.J. 
Keywords: Anion receptor
Carboxylate anion
Host-guest chemistry
Hydrogen bonds
Issue Date: Jan-2002
Citation: Fan, A.,Hong, H.K.,Valiyaveettil, S.,Vittal, J.J. (2002-01). A urea-incorporated receptor for aromatic carboxylate anion recognition. Journal of Supramolecular Chemistry 2 (1-3) : 247-254. ScholarBank@NUS Repository.
Abstract: A neutral urea incorporated anion receptor 1 with a tripodal pseudocavity was synthesized in good yield. The influence of preorganization and rigidity of the receptors towards anion recognition was evaluated using rigid (1) and flexible (2) receptors. Binding affinities were investigated using 1H NMR and luminescence titration methods. Receptor 1 showed high binding affinities with 1:1 stoichiometry for carboxylate anions in polar solvents. No binding was observed with small anions, presumably due to the large cavity and the rigidity of the receptor. © 2003 Elsevier Ltd. All rights reserved.
Source Title: Journal of Supramolecular Chemistry
ISSN: 14727862
DOI: 10.1016/S1472-7862(03)00079-0
Appears in Collections:Staff Publications

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