Benzimidazole functionalized tripodal receptor for selective recognition of iodide
作者:Chirantan Kar、Arghya Basu、Gopal Das
DOI:10.1016/j.tetlet.2012.06.120
日期:2012.8
A novel tripodal fluorescent receptor with benzimidazole motifs as signaling unit is reported. The receptor can selectively bind iodide anion with drastic change in its fluorescence and UV/Vis spectra, while addition of other anions (F-, Cl-, Br-, H2PO4-, SO42-, CH3COO-, NO3- and CN-) does not show any significant change. The formation of receptor-iodide hydrogen bonded complex is proved by NMR titration of the receptor in the presence of iodide anion. (c) 2012 Elsevier Ltd. All rights reserved.