Polyhedron p. 213 - 220 (2014)
Update date:2022-08-11
Topics:
Koran, Kenan
?zen, Furkan
Tor?ut, Gülben
Pihtili, Güzin
?il, Erol
Orhan G?rgülü
Arslan, Mustafa
The new hexasubstitue-cyclophosphazene compounds containing chalcone derivatives (2-11) were obtained from the reactions of hexachlorocyclotriphosphazene (1) with several hydroxy chalcones in K 2CO3/acetone system. All products were generally obtained in high yields. The structures of the compounds were defined by elemental analysis, FT-IR, 1H, 13C and 31P NMR spectroscopy. Dielectric measurements for phosphazenes containing chalcone compounds (5-8) were carried out by means of an impedance analyzer as a function of temperature and frequency. Dielectric properties of samples prepared in a plate form were measured at room temperature over the frequency range 50 Hz to 2 kHz and given as compared with each other.
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