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Supramolecular Chemistry Volume 25, 2013 - Issue 4
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Original Articles

Salicylaldehyde-indole-2-acylhydrazone: a simple, colorimetric and absorption ratiometric chemosensor for acetate ion

Xiao-ping Bao Center for Research and Development of Fine Chemicals, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. ChinaCorrespondence[email protected]
,
Peng-cheng Zheng Center for Research and Development of Fine Chemicals, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
,
Yong Liu Center for Research and Development of Fine Chemicals, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
,
Zan Tan Center for Research and Development of Fine Chemicals, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
,
Yu-hui Zhou Department of Chemistry, Guizhou University, Guiyang, P. R. China
&
Bao-an Song Center for Research and Development of Fine Chemicals, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. ChinaCorrespondence[email protected]
Pages 246-253 | Received 06 Jul 2012, Accepted 02 Dec 2012, Published online: 16 Jan 2013
 
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Abstract

A simple anion receptor (i.e. salicylaldehyde-indole-2-acylhydrazone) was synthesised and its recognition properties were investigated by naked-eye observation, UV–vis titration spectra, 1H NMR spectroscopy and DFT calculations. The obtained results indicated that this receptor could realise the selective colorimetric sensing and absorption ratiometric response towards AcO−  in CH3CN–DMSO medium, by virtue of threefold intermolecular hydrogen bonding interactions formed with phenolic OH, indole NH and amide NH.

Acknowledgement

Financial support from National Natural Science Foundation of China (No. 21161005) is deeply acknowledged.

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