Journal
TURKISH JOURNAL OF CHEMISTRY
Volume 44, Issue 1, Pages 64-+Publisher
Tubitak Scientific & Technological Research Council Turkey
DOI: 10.3906/kim-1908-51
Keywords
Cyclotriphosphazene; coumarin; fluorescent chemosensor; aqueous media
Funding
- Scientific and Technological Research Council of Turkey (TUBITAK) [117Z545]
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The newly synthesized cyclotriphosphazene cored coumarin chemosensors 5, 6, and 7 were successfully characterized by H-1 NMR, P-31 NMR, and MALDI-TOF mass spectrometry. Additionally, the photophysical and metal sensing properties of the targeted compounds were determined by fluorescence spectroscopy in the presence of various metals (Li+, Na+, K+, Cs+, Mg2+, Ca2+, Ba2+, Cr3+ Mn2+, Fe3+, Co2+, Al3+, Hg+, Cu2+, Zn2+, Ag+, and Cd2+). The fluorescence titration results showed that compounds 5, 6, and 7 could be employed as fluorescent chemosensors for Fe3+ ions with high sensitivity. The complex stoichiometry between final cyclotriphosphazene chemosensors and Fe3+ ions was also determined by Job's plots.
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