Synthesis and Chemosensory Properties of New Cyanosubstituted 2,2'-Bipyridine Derivatives

A series of novel 6-oxo-1,6-dihydro-[2,2'-bipyridine]-5-carbonitriles has been synthesized and characterized. Their photophysical properties in DMSO solution and aqueous medium as well as fluorescence response to the presence of metal ions have been investigated. The obtained 4-(4-methoxyphenyl...

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Bibliographic Details
Published in:Journal of fluorescence 2022-11, Vol.32 (6), p.2333-2342
Main Authors: Ievlev, Mikhail Yu, Mayorov, Nikita S., Bardasov, Ivan N., Sorokin, Saveliy P., Belikov, Mikhail Yu, Ershov, Oleg V.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Aqueous solutions
Biochemistry
Biological and Medical Physics
Biomedical and Life Sciences
Biomedicine
Biophysics
Biotechnology
Fluorescence
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Summary:A series of novel 6-oxo-1,6-dihydro-[2,2'-bipyridine]-5-carbonitriles has been synthesized and characterized. Their photophysical properties in DMSO solution and aqueous medium as well as fluorescence response to the presence of metal ions have been investigated. The obtained 4-(4-methoxyphenyl)-6-oxo-1,6-dihydro-[2,2'-bipyridine]-5-carbonitrile has been shown as a selective fluorescent “turn-ON” probe for Cd 2+ ions with LoD 0.359 µM, 1:1 metal–ligand ratio and binding constant of 5.2 × 10 4  M −1 .
ISSN:1053-0509
1573-4994
DOI:10.1007/s10895-022-03027-9