Synthesis and evaluation of a new colorimetric and ratiometric fluorescence probe for copper ions

Synthesis and spectroscopic evaluation of compounds 3a, 3b and 4 reveal that cone conformer of 25,27-bis(o-aminothiophenyl propyloxy) -tetra-p-tert-butylcalix[4]arene 3a can function as a highly selective ratiometric and colorimetric fluorescence probe for copper ions. •We have synthesized a new cal...

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Bibliographic Details
Published in:Journal of luminescence 2015-08, Vol.164, p.138-145
Main Authors: Chawla, Har Mohindra, Munjal, Priyanka, Goel, Preeti
Format: Article
Language:English
Subjects:
Calixarenes
Copper
Fluorescence
Ratiometric
Recognition
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Summary:Synthesis and spectroscopic evaluation of compounds 3a, 3b and 4 reveal that cone conformer of 25,27-bis(o-aminothiophenyl propyloxy) -tetra-p-tert-butylcalix[4]arene 3a can function as a highly selective ratiometric and colorimetric fluorescence probe for copper ions. •We have synthesized a new calixarene based receptor 3 for Cu2+.•3 Showed ratiometric changes with Cu2+ in emission spectrum.•Reference compound 4 showed quenching with Cu2+ in emission spectrum.•Importance of calix[4]arene platform in ion recognition.
ISSN:0022-2313
1872-7883
DOI:10.1016/j.jlumin.2015.03.027