Synthesis and some properties of poly-5-vinyl-N,N′-dimethyltetrazolium salts

  • Sergei V. Voitekhovich Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus https://orcid.org/0000-0002-7015-5062
  • Yuri V. Grigoriev Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus
  • Oleg A. Ivashkevich Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus

Abstract

Poly-5-vinyl-N,N′-dimethyltetrazolium salts, the first representatives of ionic carbochain polymers with a positively charged tetrazole ring in the side chain, were synthesised using polymer-analogous transformations of polyacrylonitrile. The synthesis of salts involves the cycloaddition reaction of sodium azide to polyacrylonitrile to form poly-5-vinyltetrazole, the exhaustive alkylation of which with dimethyl sulfate leads to poly-5-vinyl-N,N′-dimethyltetrazolium methylsulfate. By treating the latter with aqueous solutions of tetrafluoroboric or perchloric acids, poly-5-vinyl-N,N′-dimethyltetrazolium tetrafluoroborate and perchlorate were obtained respectively. The high efficiency of using the resulting polymers for the selective extraction of palladium from model systems containing ions of other heavy and transition metals has been demonstrated.

Author Biographies

Sergei V. Voitekhovich, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus

PhD (chemistry); leading researcher at the laboratory for chemistry of condensed systems

 

Yuri V. Grigoriev, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus

PhD (chemistry), docent; head of the laboratory for chemistry of condensed systems

 

Oleg A. Ivashkevich, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus

doctor of science (chemistry), academician of the National Academy of Sciences of Belarus; chief researcher at the laboratory for chemistry of condensed systems

 

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Published
2024-02-28
Keywords: tetrazoles, polymers, palladium, sorption
Supporting Agencies The research was supported by the Ministry of Education of the Republic of Belarus (assignment 2.1.01.01 of the state programme of scientific research «Chemical processes, reagents and technologies, bioregulators and bioorgchemistry», state registration No. 20210515).
How to Cite
Voitekhovich, S. V., Grigoriev, Y. V., & Ivashkevich, O. A. (2024). Synthesis and some properties of poly-5-vinyl-N,N′-dimethyltetrazolium salts. Journal of the Belarusian State University. Chemistry, 1, 46-50. Retrieved from https://journals.bsu.by/index.php/chemistry/article/view/6043
Issue
No 1 (2024): Journal of the Belarusian State University. Chemistry
Section
Original Articles

Copyright (c) 2024 Journal of the Belarusian State University. Chemistry

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