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Analytical and Bioanalytical Electrochemistry، جلد ۱۵، شماره ۳، صفحات ۱۸۴-۱۹۷
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عنوان انگلیسی Electrochemical Reduction of 2-Substituted Quinoxalines in Aprotic Medium and in Conditions of Protonation
چکیده انگلیسی مقاله The present work is devoted to the electrochemical reduction study of presumably biologically active 2-substituted quinoxaline derivatives. In this work, two new quinoxaline derivatives are presented. The electrochemical behavior of this compound in an aprotic medium and while its protonating was investigated via a voltammetric method. Using computational methods, the localization of the reduction centres depending on the compound’s structure was determined. The EPR spectra data obtained by electrochemical generation reduction product proved that the studied quinoxaline’s electroconversion occurs with radical anion formation. The linear correlation between the reduction potential of studied compounds and energy of their affinity to the electron was found (R2 = 0.933). This confirms the single reduction mechanism of radical nature for the entire series of studied 2-substituted quinoxaline derivatives. Based on that, the electron-accepting ability of these compounds was compared in order to evaluate their possible bioactivity and to select the most perspective ones among them for further research.
کلیدواژه‌های انگلیسی مقاله Quinoxalines,Cyclic voltammetry,EPR spectroscopy,DFT calculations,Electroreduction
نویسندگان مقاله Anton Tsmokalyuk |
Institute of Chemical Engineering, Ural Federal University, Mira 28, Yekaterinburg, Russia, 620002

Polina Mozharovskaia |
Institute of Chemical Engineering, Ural Federal University, Mira 28, Yekaterinburg, Russia, 620002

Ekaterina Belina |
Institute of Chemical Engineering, Ural Federal University, Mira 28, Yekaterinburg, Russia, 620002

Ivan Balin |
Institute of Chemical Engineering, Ural Federal University, Mira 28, Yekaterinburg, Russia, 620002

Emilia Nosova |
Institute of Chemical Engineering, Ural Federal University, Mira 28, Yekaterinburg, Russia, 620002

Anatoly Matern |
Institute of Chemical Engineering, Ural Federal University, Mira 28, Yekaterinburg, Russia, 620002

Alisa Kozitsina |
Institute of Chemical Engineering, Ural Federal University, Mira 28, Yekaterinburg, Russia, 620002

نشانی اینترنتی https://www.abechem.com/article_703900_8090c6709bb46fceaaa847801c900d95.pdf
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