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Oligomeric Hydroxyaryloxycyclotriphosphazenes with Decreased Functionality Based on Resorcinol

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Abstract

Oligomeric hydroxyaryloxycyclotriphosphazenes P3N3Cln(OC6H5)x(OC6H4OH)y are obtained by the polycondensation of phenoxychlorocyclotriphosphazenes with the general formula P3N3Cl(6 − x)(OC6H5)x (x = 3.1, 4.5) with an excess of resorcinol under homogeneous (pyridine) and heterogeneous (K2CO3) acceptance of HCl in a yield of 60–85%. Full substitution of the chlorine atoms in the specified oligomers (n = 0) under homogenous acceptance of HCl by pyridine is reached only at a molar ratio of phenoxychlorocyclophosphazene : resorcinol = 1 : 12; the formed oligomers contain up to 3% Cl at a ratio of 1 : 6. The structure of the compounds present in the composition of oligohydroxyaryloxycyclotriphosphazenes and their relative concentration are determined by 31P NMR spectroscopy and MALDI-TOF mass spectrometry.

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Funding

This work was financially supported by Mendeleev University of Chemical Technology, project no. G-2020-025.

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Authors and Affiliations

  1. Mendeleev University of Chemical Technology of Russia, 125047, Moscow, Russia

    Yu. V. Bilichenko, Duong Thien Nguyen, V. V. Kireev, I. S. Sirotin & S. N. Filatov

  2. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991, Moscow, Russia

    R. S. Borisov

  3. Peoples’ Friendship University of Russia, 117198, Moscow, Russia

    R. S. Borisov

Authors
  1. Yu. V. Bilichenko
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  2. Duong Thien Nguyen
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  3. V. V. Kireev
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  4. R. S. Borisov
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  5. I. S. Sirotin
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  6. S. N. Filatov
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Corresponding author

Correspondence to V. V. Kireev.

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Translated by E. Boltukhina

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Bilichenko, Y.V., Nguyen, D.T., Kireev, V.V. et al. Oligomeric Hydroxyaryloxycyclotriphosphazenes with Decreased Functionality Based on Resorcinol. Polym. Sci. Ser. B 62, 343–349 (2020). https://doi.org/10.1134/S1560090420040028

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  • DOI: https://doi.org/10.1134/S1560090420040028

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