A reversible fluorescent chemosensor for the rapid sensing of CN− in water: utilization of the intramolecular charge transfer blocking

Tai-Bao Wei; Yuan-Rong Zhu; Hui Li; Guo-Tao Yan; Qi Lin; Hong Yao; You-Ming Zhang

doi:10.1039/C5NJ02413G

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A reversible fluorescent chemosensor for the rapid sensing of CN⁻ in water: utilization of the intramolecular charge transfer blocking†

Tai-Bao Wei,*^a Yuan-Rong Zhu,^a Hui Li,^a Guo-Tao Yan,^a Qi Lin,^a Hong Yao^a and You-Ming Zhang*^a

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* Corresponding authors

^a Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, P. R. China
E-mail: weitaibao@126.com, zhangnwnu@126.com
Tel: +86 9317973120

Abstract

A reversible and water-soluble 2,4-dimethyl-7-amino-1,8-naphthyridine (ZR) was synthesized to fluorescently sense CN⁻ in water. Interestingly, the deprotonation reaction between cyanide and the primary amine would block the intramolecular charge transfer of the electron donor and acceptor, thus, affecting the ICT efficiency and optical properties of the sensing system.

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Article information

DOI: https://doi.org/10.1039/C5NJ02413G
Article type: Paper
Submitted: 09 Sep 2015
Accepted: 06 Jan 2016
First published: 14 Jan 2016

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New J. Chem., 2016,40, 2327-2332

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A reversible fluorescent chemosensor for the rapid sensing of CN⁻ in water: utilization of the intramolecular charge transfer blocking

T. Wei, Y. Zhu, H. Li, G. Yan, Q. Lin, H. Yao and Y. Zhang, New J. Chem., 2016, 40, 2327 DOI: 10.1039/C5NJ02413G

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