A ‘turn-off’ emission based chemosensor for HSO4− – formation of a hydrogen-bonded complex

Paramjit Kaur; Hardeep Kaur; Kamaljit Singh

doi:10.1039/C2AN36100K

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A ‘turn-off’ emission based chemosensor for HSO₄⁻ – formation of a hydrogen-bonded complex†

Paramjit Kaur,*^a Hardeep Kaur^b and Kamaljit Singh*^b

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* Corresponding authors

^a Department of Chemistry, UGC-Centre of Advance Studies-I, Guru Nanak Dev University, Amritsar-143 005, India
E-mail: paramjit19in@yahoo.co.in

^b Organic Synthesis Laboratory, Department of Applied Chemical Sciences and Technology, UGC-SAP (DRS-I) Department, Guru Nanak Dev University, Amritsar-143 005, India

Abstract

Anion sensing behaviour of a quinoline-based derivative has been explored and is found to be selective towards HSO₄⁻ over a variety of anions including oxo anions. The sensing protocol has been suggested to proceed via a static emission quenching process which has further been supported by ¹H NMR, UV-vis and theoretical (DFT, TD-DFT) calculations indicating the formation of a hydrogen-bonded complex between the quinoline part of the receptor and HSO₄⁻.

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Article information

DOI: https://doi.org/10.1039/C2AN36100K
Article type: Communication
Submitted: 10 Aug 2012
Accepted: 09 Nov 2012
First published: 12 Nov 2012

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Analyst, 2013,138, 425-428

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A ‘turn-off’ emission based chemosensor for HSO₄⁻ – formation of a hydrogen-bonded complex

P. Kaur, H. Kaur and K. Singh, Analyst, 2013, 138, 425 DOI: 10.1039/C2AN36100K

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