A New Two-Armed Colorimetric Chemosensor for Fluoride

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Contents Vol 58(1)

doi:10.1071/CH04228

A New Two-Armed Colorimetric Chemosensor for Fluoride

Jin-Long Wu ^A, Yong-Bing He ^A ^B, Lan-Hua Wei ^A, Ling-Zhi Meng ^A, Ting-Xian Yang ^A, Xin Liu ^A

^A Department of Chemistry, Wuhan University, Wuhan, Hubei 430072, China.
^B Corresponding author. Email: ybhe@whu.edu.cn





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Australian Journal of Chemistry 58(1) 53–57 http://dx.doi.org/10.1071/CH04228
Submitted: 20 September 2004 Accepted: 10 November 2004 Published online: 14 January 2005

Abstract

The neutral anion receptor 1 was synthesized by an easy method with high yield. The binding properties of anions with 1 were examined by UV-vis and ¹H NMR spectroscopy. Receptor 1 can form a 1 : 2 complex with F^-, and 1 : 1 complexes with AcO^- and H₂PO₄^- anions, respectively, by multiple hydrogen-bonding interactions. There is an observable colour change for the complex formed by 1 and F^-.