Colorimetric and fluorescent pH and Cu2+ probes induced by photoisomerization of a maleonitrile-based Salen ligand

Jinghui Cheng; Yuhui Zhang; Xiaofeng Ma; Xiangge Zhou; Haifeng Xiang

doi:10.1039/C3CC47137C

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Colorimetric and fluorescent pH and Cu²⁺ probes induced by photoisomerization of a maleonitrile-based Salen ligand†

Jinghui Cheng,^a Yuhui Zhang,^a Xiaofeng Ma,^a Xiangge Zhou^a and Haifeng Xiang*^a

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* Corresponding authors

^a College of Chemistry, Sichuan University, Chengdu, China
E-mail: xianghaifeng@scu.edu.cn
Fax: +86-28-8541-2291

Abstract

Both photo-induced cis–trans-isomers of a maleonitrile-based Salen ligand can be used as pH probes covering a broad pH range through three different mechanisms but upon undergoing the formation of a stable complex and Cu²⁺-promoted hydrolysis, respectively, they exhibit totally different responses and mechanisms for sensing Cu²⁺.

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Article information

DOI: https://doi.org/10.1039/C3CC47137C
Article type: Communication
Submitted: 18 Sep 2013
Accepted: 15 Oct 2013
First published: 16 Oct 2013

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Chem. Commun., 2013,49, 11791-11793

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Colorimetric and fluorescent pH and Cu²⁺ probes induced by photoisomerization of a maleonitrile-based Salen ligand

J. Cheng, Y. Zhang, X. Ma, X. Zhou and H. Xiang, Chem. Commun., 2013, 49, 11791 DOI: 10.1039/C3CC47137C

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