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Chemosensor properties of 7-hydroxycoumarin substituted cyclotriphosphazenes
Gönül Yenİlmez ÇİftÇİ1, Sergen Yilmaz1, Nagihan Bayik1
1Department of Chemistry, Faculty of Science, Gebze Technical University, Gebze, Kocaeli Turkey.
Newly synthesized cyclotriphosphazene-cored coumarin chemosensors show high sensitivity for detecting iron(III) ions. These compounds offer a promising tool for fluorescent metal ion sensing applications.
Area of Science:
- Materials Science
- Analytical Chemistry
- Organic Chemistry
Background:
- Cyclotriphosphazene derivatives offer a versatile scaffold for developing novel functional materials.
- Coumarin-based compounds are widely used as fluorescent probes due to their favorable photophysical properties.
Purpose of the Study:
- To synthesize and characterize novel cyclotriphosphazene-cored coumarin chemosensors.
- To investigate the photophysical properties and metal ion sensing capabilities of these novel compounds.
Main Methods:
- Synthesis of cyclotriphosphazene-cored coumarin derivatives.
- Characterization using Nuclear Magnetic Resonance (NMR) spectroscopy and Mass Spectrometry.
- Fluorescence spectroscopy for metal ion sensing studies.
Main Results:
- Compounds 5, 6, and 7 were successfully synthesized and characterized.
- Fluorescence titration demonstrated high sensitivity of the chemosensors towards Fe3+ ions.
- Job's plots were utilized to determine the complex stoichiometry between the chemosensors and Fe3+.
Conclusions:
- The novel cyclotriphosphazene-cored coumarin compounds function as effective fluorescent chemosensors for Fe3+.
- These findings highlight the potential of these compounds in sensitive metal ion detection.
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