Abstract
Oligomers of hexakis(4-allyl-2-methoxyphenoxy)cyclotriphosphazene have been synthesized and their molecular structure studied by X-ray and NMR analysis. The nonplanar character of a phosphazene cycle is established, and the bond lengths P-N and valence angles N-P-N are shown to change in narrow ranges (1.5771–1.5894 Å and 117.80°–118.37°, respectively). During epoxidation of hexakis(4-allyl-2-methoxyphenoxy)cyclotriphosphazene by m-chloroperbenzoic acid or peracetic acid, in addition to hexaepoxy derivatives, the corresponding dimer is formed due to partial intermolecular interaction of epoxy groups.
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Original Russian Text © V.V. Kireev, N.S. Bredov, Yu.V. Bilichenko, K.A. Lysenko, R.S. Borisov, V.P. Chuev, 2008, published in Vysokomolekulyarnye Soedineniya, Ser. A, 2008, Vol. 50, No. 6, pp. 951–958.
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Kireev, V.V., Bredov, N.S., Bilichenko, Y.V. et al. Epoxy oligomers based on eugenol cyclotriphosphazene derivatives. Polym. Sci. Ser. A 50, 609–615 (2008). https://doi.org/10.1134/S0965545X08060035
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DOI: https://doi.org/10.1134/S0965545X08060035