Sugar thiacrown-ether appended calix[4]arene as a selective chemosensor for Fe2+ and Fe3+ ions

Irene Ling; Rauzah Hashim; Karem J. Sabah

doi:10.1039/C5RA15448K

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Sugar thiacrown-ether appended calix[4]arene as a selective chemosensor for Fe²⁺ and Fe³⁺ ions†

Irene Ling,*^a Rauzah Hashim^a and Karem J. Sabah*^ab

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* Corresponding authors

^a Department of Chemistry, University of Malaya, Kuala Lumpur, Malaysia
E-mail: ireneling@siswa.um.edu.my, karemchemist@gmail.com, kareemj.alabidi@uokufa.edu.iq
Fax: +60-3-79674193
Tel: +60-3-79677175

^b Chemistry Department, Faculty of Science, Kufa University, 54001 An-najaf, Iraq
Fax: +964-33340951
Tel: +964-33340952

Abstract

A new fluorescent chemosensor derived from sugar-thiacrown-ether appended calix[4]arene, coupled with pyrene units was designed and synthesized. Upon the addition of Fe²⁺, or Fe³⁺, changes were observed in both the fluorescence and absorption spectra. The fluorescence intensities are significantly quenched indicating high selectivity for these two metal ions over other transition metals investigated.

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Article information

DOI: https://doi.org/10.1039/C5RA15448K
Article type: Paper
Submitted: 03 Aug 2015
Accepted: 05 Oct 2015
First published: 16 Oct 2015

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RSC Adv., 2015,5, 88038-88044

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Sugar thiacrown-ether appended calix[4]arene as a selective chemosensor for Fe²⁺ and Fe³⁺ ions

I. Ling, R. Hashim and K. J. Sabah, RSC Adv., 2015, 5, 88038 DOI: 10.1039/C5RA15448K

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