Issue 6, 2002
From the journal:

Journal of the Chemical Society, Perkin Transactions 2

New Hg2+-selective fluoroionophores derived from p-tert-butylcalix[4]arene–azacrown ethers

Na Ri Cha,a   Mi Yee Kim,a   Young Hee Kim,a   Jong-In Choea  and  Suk-Kyu Chang*a  

* Corresponding authors

a Department of Chemistry, Chung-Ang University, Seoul 156-756, Korea
E-mail: skchang@cau.ac.kr
Fax: + 82 2 825 4736
Tel: + 82 2 820 5199

Abstract

New fluorogenic ionophores based upon the p-tert-butylcalix[4]arene–azacrown ethers having anthrylmethyl moieties as the fluorophore have been prepared and their fluoroionophoric properties were investigated. Diazacrown-based derivative 5 exhibited a relatively well-optimized sensing behaviour towards Hg2+ ions compared with the triazacrown analogue 6. A fluorescence enhancement of about 87-fold was observed for the 5-Hg2+ system in a MeOH–THF mixed solvent system.

Graphical abstract: New Hg2+-selective fluoroionophores derived from p-tert-butylcalix[4]arene–azacrown ethers

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Article information

DOI
https://doi.org/10.1039/B109757A
Article type
Paper
Submitted
25 Oct 2001
Accepted
09 Apr 2002
First published
01 May 2002

J. Chem. Soc., Perkin Trans. 2, 2002, 1193-1196

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New Hg2+-selective fluoroionophores derived from p-tert-butylcalix[4]arene–azacrown ethers

N. R. Cha, M. Y. Kim, Y. H. Kim, J. Choe and S. Chang, J. Chem. Soc., Perkin Trans. 2, 2002, 1193 DOI: 10.1039/B109757A

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