Fluorescence turn-on sensors for HSO4−

Hyun Jung Kim; Sankarprasad Bhuniya; Rakesh Kumar Mahajan; Rajiv Puri; Hongguang Liu; Kyoung Chul Ko; Jin Yong Lee; Jong Seung Kim

doi:10.1039/B918324H

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Fluorescence turn-on sensors for HSO₄⁻†

Hyun Jung Kim,^a Sankarprasad Bhuniya,^a Rakesh Kumar Mahajan,*^b Rajiv Puri,^b Hongguang Liu,^c Kyoung Chul Ko,^c Jin Yong Lee*^c and Jong Seung Kim*^a

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* Corresponding authors

^a Department of Chemistry, Korea University, Seoul 136-701, Republic of Korea
E-mail: jongskim@korea.ac.kr
Fax: +82-2-3290-3121
Tel: +82-2-3290-3143

^b Department of Chemistry, Guru Nanak Dev University, Amritsar 143005, India
E-mail: rakesh_chem@yahoo.com
Fax: +91-183-2258820

^c Department of Chemistry, Sungkyunkwan University, Suwon 440-746, Republic of Korea
E-mail: jinylee@skku.edu

Abstract

A coumarin-based derivative (1), a highly selective and sensitive turn-on fluorogenic probe for the detection of HSO₄⁻ ions in aqueous solution, has been designed and synthesized. Various spectroscopic and DFT calculations revealed that H-bonding between the phenolic –OH and imine nitrogen of 1 played a crucial role in its high selectivity for HSO₄⁻.

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Article information

DOI: https://doi.org/10.1039/B918324H
Article type: Communication
Submitted: 07 Sep 2009
Accepted: 01 Oct 2009
First published: 16 Oct 2009

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Chem. Commun., 2009, 7128-7130

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Fluorescence turn-on sensors for HSO₄⁻

H. J. Kim, S. Bhuniya, R. K. Mahajan, R. Puri, H. Liu, K. C. Ko, J. Y. Lee and J. S. Kim, Chem. Commun., 2009, 7128 DOI: 10.1039/B918324H

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