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Research Article

Anion recognition properties of 2,2′-bipyridine derivative receptors containing phenol group

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Pages 274-279 | Received 09 Apr 2009, Accepted 06 May 2009, Published online: 16 Jul 2009
 

Abstract

A series of artificial 2,2′-bipyridine receptors (1, 2, 3) containing phenol group have been designed and synthesized. Their anion-binding properties are evaluated for various anions (F, Cl, Br, I, AcO and H2PO4) by UV-vis titration experiment in order to research the impact of different substituents on anion-recognition properties. Results indicate that the anion binding abilities can be tuned by electron push-pull properties of substituents on the phenyl ortho- or para-position of the receptors. In addition, receptor 1 is sensitive for F detection without the interference of other studied anions, and receptors 2 and 3 are sensitive for H2PO4 detection.

Acknowledgements

Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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