NDLI: Novel Coumarin Substituted Water Soluble Cyclophosphazenes as “Turn-Off” Type Fluorescence Chemosensors for Detection of Fe$^{3+}$ ions in Aqueous Media

Content Provider	Springer Nature Link
Author	Çiftçi, Gönül Yenilmez Şenkuytu, Elif Bulut, Mustafa Durmuş, Mahmut
Copyright Year	2015
Abstract	In the present work, 3-[2-(diethylamino)ethyl]-7-oxy-4-methylcoumarin substituted cyclotriphosphazene (4) and cyclotetraphosphazene (5) derivatives were synthesized by the reactions of hexachlorocyclotriphosphazene (1) or octachlorocyclotetraphosphazene (2) with 3-[2-(diethylamino)ethyl]-7-hydroxy-4-methylcoumarin (3) for the first time. The quaternized cationic (6 and 7) and zwitterionic (8 and 9) derivatives of these compounds (4 and 5) were obtained by the reactions of dimethyl sulfate and 1,3-propanesultone, respectively. All newly synthesized cyclophosphazene compounds (4–9) were fully characterized by elemental analysis and general spectroscopic techniques such as FT-IR, $^{31}$P-NMR, $^{1}$H-NMR and MALDI-TOF mass. All these coumarin substituted cyclophosphazene compounds (4–9) were soluble in most of organic solvents and quaternized ionic and zwitterionic compounds (6–9) also showed excellent solubility in water. The fluorescence behaviors of novel cyclophosphazene compounds were investigated in methanol and water solutions. The chemosensor properties of newly synthesized water soluble quaternized ionic and zwitterionic cyclotriphosphazene and cyclotetraphosphazene derivatives (6–9) were investigated in aqueous media. These cyclophosphazene derivatives showed fluorescence chemosensor behavior with high selectivity for Fe$^{3+}$ ions in aqueous solution.
Starting Page	1819
Ending Page	1830
Page Count	12
File Format	PDF
ISSN	10530509
Journal	Journal of Fluorescence
Volume Number	25
Issue Number	6
e-ISSN	15734994
Language	English
Publisher	Springer US
Publisher Date	2015-09-29
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cyclophosphazene Coumarin Water soluble Chemosensor Fe$^{3+}$ ions Biomedicine general Biophysics and Biological Physics Biotechnology Biochemistry Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Sociology and Political Science Spectroscopy Law Biochemistry Clinical Biochemistry Clinical Psychology

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