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    Vanillinato-Substituted Monospirocyclotriphosphazenes: Synthesis, Spectroscopic and Crystallographic Characterizations, and Thermal Properties
    (Maik Nauka/Interperiodica/Springer, 2021) Tumer, Y.; Ozdemir, S. Z.
    The reactions of one equimolar amount of monospirocyclotriphosphazenes bearing 2,2'-dioxybiphenyl with one, two, three and four equimolar amounts of potassium vanillinate were used to produce the vanillinato-substituted monospirocyclotriphosphazenes. The structures of new phosphazene derivatives were characterized by means of elemental analysis, IR and NMR (H-1, C-13, and P-31) spectroscopic techniques. The molecular and crystal structures of mono and tetra vanillinato-substituted monospirocyclotriphosphazenes were examined using X-ray crystallography. The thermal degradation properties of all new compounds were determined using thermal gravimetric analysis (TGA) techniques.