Abstract

A new methodology for creating electroactive components for organic batteries, based on the construction of a molecular platform including stable 3,4-dihydro-1,2,4,5-tetrazin-1(2H)-yl radicals was described. A series of 2-(4-R¹-phenyl)-6-(4-R²-phenyl)-4-phenyl-3,4-dihydro-1,2,4,5-tetrazin-1(2H)-yls with substituents of various nature was obtained. It was shown that the substituents R¹ in the aromatic ring at position 2 of the tetrazinyl fragment influence the value of the oxidation potential in the radical, but do not influence the value of the reduction potentials, while the substituent R² of the aromatic ring at position 6 influence the values of the reduction potentials and practically do not influence oxidation potential values. Based on the obtained electrochemical data, a correlation structure–potential value was revealed for the cathodic and anodic process, with the help of which triarylsubstituted 3,4-dihydro-1,2,4,5-tetrazin-1(2H)-yl radicals with high values of the electrochemical gap were obtained.

中文翻译：

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2-（4-R 1-苯基）-6-（4-R 2-苯基）-4-苯基-3,4-二氢1,2,4,5-四嗪-1（2 H）的合成及电化学性质-yls

摘要

描述了一种基于有机分子平台的新方法，该分子包括稳定的3,4-二氢-1,2,4,5-四嗪-1（2 H）-基，该分子平台的构建为有机电池提供了新的方法。一系列2-（4-R ^1-苯基）-6-（4-R ^2-苯基）-4-苯基-3,4-二氢-1,2,4,5-四嗪-1（2 H）得到具有各种性质的取代基的-yl。结果表明，在四嗪基片段的位置2的芳环中的取代基R ¹影响自由基中氧化电位的值，但不影响还原电位的值，而取代基R ²位置6上的芳环的α2影响还原电势的值，并且实际上不影响氧化电势的值。根据获得的电化学数据，揭示了阴极和阳极过程的相关结构-电位值，借助该芳基三芳基取代的3,4-二氢-1,2,4,5-四嗪-1（2 H）-获得具有高电化学间隙值的基团。