A novel fluorescent sensor for diammonium and metal ions based on a supramolecular charge-transfer complex of bis(aza-18-crown-6)-containing dienone

A bis(aza-18-crown-6)-containing 2,5-di(benzylidene)cyclopentanone and a bis(ammoniopropyl) derivative of 1,2-di(4-pyridyl)ethylene in MeCN were found to form a supramolecular charge-transfer complex, which can act as an “off–on” fluorescent sensor for the Ca 2+ and 1,12-dodecanediammonium ions. The...

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Published inFrontiers in chemistry Vol. 11; p. 1263440
Main Authors Gromov, Sergey P., Fomina, Marina V., Zdorovenko, Ilia P., Fakhrutdinov, Artem N., Ushakov, Evgeny N.
Format Journal Article
LanguageEnglish
Published Frontiers Media S.A 03.10.2023
Subjects
charge-transfer complexes
Chemistry
dienones
electronic spectroscopy
fluorescent sensor
NMR spectroscopy
quantum chemical calculations
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Summary:A bis(aza-18-crown-6)-containing 2,5-di(benzylidene)cyclopentanone and a bis(ammoniopropyl) derivative of 1,2-di(4-pyridyl)ethylene in MeCN were found to form a supramolecular charge-transfer complex, which can act as an “off–on” fluorescent sensor for the Ca 2+ and 1,12-dodecanediammonium ions. The molecular structure of this complex in solution was studied by density functional theory calculations.
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Edited by: Liming Huang, University of Nevada, United States
Reviewed by: Arindam Mukhopadhyay, Idaho National Laboratory (DOE), United States
Wenbo Chen, Shanghai University of Electric Power, China
ISSN:2296-2646
2296-2646
DOI:10.3389/fchem.2023.1263440