Journal
TETRAHEDRON
Volume 72, Issue 30, Pages 4498-4502Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2016.06.008
Keywords
Coumarin-pyrazolone hybrid; Fluorescence turn-on probe; Biothiols detection; Michael acceptor; ICT inhibition; DFT calculations
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Funding
- Scientific and Technological Research Council of Turkey (TUBITAK) [111T106]
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A coumarin-pyrazolone monomethine based turn-on fluorescence ratiometric probe C-3 for selective detection of cysteine (Cys) and glutathione (GSH) is reported. It exhibits OFF-ON states and is more sensitive to GSH in aqueous solution neutral and basic pH. The ON state is due to the inhibition of intramolecular charge transfer (ICT) process between pyrrole and pyrazolone moieties. (C) 2016 Elsevier Ltd. All rights reserved.
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