Studies of potential inversion in the electrochemical reduction of 11,11,12,12-tetracyano-9,10-anthraquinodimethane and 2,3,5,6-tetramethyl-7,7,8,8-tetracyano-1,4-benzoquinodimethane

Article Abstract:

The electrochemical reduction of the title compounds, 11,11,12,12-tetracyano-9,10-anthraquinodimethane and 2,3,5,6-tetramethyl-7,7,8,8-tetracyano-1,4-benzoquinodimethane and 7,7,8,8-tetracyanoquinodimethane is studied in acetonitrile. The extent of inversion is determined by simulation of the cyclic voltammograms and fast scan experiments at low temperatures are conducted to detect intermediates in the reduction.

Anthraquinones, Methane

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Change in reaction pathway in the reduction of 3,5-di-tert-butyl-1,2-benzoquinone with increasing concentrations of 2,2,2-trifluoroethanol

Article Abstract:

The electrochemical reduction of 3,5-di-tert-butyl-1,2-benzoquinone is studied in acetonitrile with added 2,2,2-trifluoroethanol. The only mechanism that could be found which would account for all the data involves proton transfer to [Q.sup..-] occuring within a higher complex, [Q.sup..-](HA)3.

Petrochemical Manufacturing, Benzene, Electric properties

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Study of the effects of ion pairing and activity coefficient on the separation in standard potentials for two-step reduction of dinitroaromatics

Article Abstract:

The extent of potential inversion for 9-10-dinitroanthracene, and 3,6-dinotrodurene is determined. The results concluded that structural changes accompanying the reduction, rather than activity and ion pairing effects, are the dominant factors underlying potential inversion.

Science & research, Arizona, Nitrated Aromatics, Research, Electrochemistry, Nitroaromatic compounds

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