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Title: Dual detection highly selective colorimetric chemosensors for fluoride and copper(II) ions based on imine-phenol derivative
Authors: Nusuwan P.
Jittangprasert P.
Kuno M.
Pumsa-Ard K.
Tongraung P.
Issue Date: 2020
Abstract: A simple dual detection using colorimetric chemosensor, imine-phenol derivative L (bearing a 2-iminephenol group as a binding unit and a-nitrophenylazo group as a signaling unit), were synthesized for a high yield in two simple steps. Complexations of chemosensor L with various anions in acetonitrile solvent and other metal ions in DMSO/H2O solvent were monitored by UV-visible spectroscopy. The results indicated that the chemosensor L showed high selectivity for F− and Cu2+ ions. Furthermore, the complexes for L-F− and L-Cu2+ were evaluated by computational chemistry using a B3LYP/6-31G (d,p) and a B3LYP/6-311G (d,p) level of calculation. The complexes between L with F− and Cu2+ were magenta and yellow colored, respectively. Chemosensor L can be applied for the analysis of F− and Cu2+ ions with naked-eye detection making colour comparisons between the standard and the real sample. Most importantly, semi-qualitative detection of Cu2+ in water solution were successfully carried out with the developed test kit using chemosensor L. © 2020 Chemical Publishing Co.. All rights reserved.
ISSN: 9707077
Appears in Collections:Scopus 1983-2021

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