Selective Recognition of Fluoride Ion Based on 2,6-Dibenzamide Pyridinium Hydrochloride

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (7): 1506.

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Selective Recognition of Fluoride Ion Based on 2,6-Dibenzamide Pyridinium Hydrochloride

XUE Yun-Rong, ZHANG Li-Feng, DONG Zhi-Yun, GAO Guo-Hua*

Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, Shanghai 200062, China

Received:2010-09-03 Revised:2010-12-31 Online:2011-07-10 Published:2011-06-02
Contact: GAO Guo-Hua E-mail:ghgao@chem.ecnu.edu.cn
Supported by:
国家自然科学基金(批准号: 20873041, 21072061)和上海市重点学科建设项目(批准号: B409)资助.

Abstract

Abstract: 2, 6-Dibenzamide pyridinium hydrochloride (3) has been synthesized and applied to recognize anions. Fluorescence and UV-Vis spectrum show that receptor 3 can selectively recognize fluoride and form 1:1 complex, along with visible color change and remarkable fluorescence quenching. The molecular structure of receptors and complex with fluoride are simulated by Gaussian03. The receptor 3 combines with F- through hydrogen bond interaction including N-H …F- and (N-H) + …F-.

Key words: fluoride recognition, fluorescence, naked-eye, simulation

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XUE Yun-Rong, ZHANG Li-Feng, DONG Zhi-Yun, GAO Guo-Hua*. Selective Recognition of Fluoride Ion Based on 2,6-Dibenzamide Pyridinium Hydrochloride[J]. Chem. J. Chinese Universities, 2011, 32(7): 1506.

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Selective Recognition of Fluoride Ion Based on 2,6-Dibenzamide Pyridinium Hydrochloride

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