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Thermodynamic Aspects for the Reaction of Polychlorinated Biphenyls with Sodium Metoxide in Ethanol and Dimethyl Sulfoxide Solution

Thermodynamic Aspects for the Reaction of Polychlorinated Biphenyls with Sodium Metoxide in... The reaction of Sovol technical-grade mixture of polychlorinated biphenyls with sodium methoxide in dimethyl sulfoxide and ethanol medium has been studied for the first time by thermodynamic modeling. The addition of ethanol co-solvent to dimethyl sulfoxide has been found to result in the emergence of solvolysis process. The optimal conditions for nucleophilic substitution reaction have been found. Using these reactions, derivatives of polychlorinated biphenyls with decreased chlorine content have been synthesized. A high conversion of initial polychlorinated biphenyl congeners of Sovol mixture has been reached. The studied reaction can serve as a pretreatment stage for the destruction of toxic polychlorinated biphenyls by thermal methods. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Chemistry Springer Journals

Thermodynamic Aspects for the Reaction of Polychlorinated Biphenyls with Sodium Metoxide in Ethanol and Dimethyl Sulfoxide Solution

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References (13)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2020. ISSN 0012-5008, Doklady Chemistry, 2020, Vol. 495, Part 1, pp. 186–190. © Pleiades Publishing, Ltd., 2020. Russian Text © The Author(s), 2020, published in Doklady Rossiiskoi Akademii Nauk. Khimiya, Nauki o Materialakh, 2020, Vol. 495, pp. 30–34.
ISSN
0012-5008
eISSN
1608-3113
DOI
10.1134/S0012500820110051
Publisher site
See Article on Publisher Site

Abstract

The reaction of Sovol technical-grade mixture of polychlorinated biphenyls with sodium methoxide in dimethyl sulfoxide and ethanol medium has been studied for the first time by thermodynamic modeling. The addition of ethanol co-solvent to dimethyl sulfoxide has been found to result in the emergence of solvolysis process. The optimal conditions for nucleophilic substitution reaction have been found. Using these reactions, derivatives of polychlorinated biphenyls with decreased chlorine content have been synthesized. A high conversion of initial polychlorinated biphenyl congeners of Sovol mixture has been reached. The studied reaction can serve as a pretreatment stage for the destruction of toxic polychlorinated biphenyls by thermal methods.

Journal

Doklady ChemistrySpringer Journals

Published: Feb 13, 2021

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