In situ electrochemical ESR and voltammetric studies on the anodic oxidation of para-haloanilines in acetonitrile

Article Abstract:

An in situ electrochemical electron spin resonance (ESR) study on the electro-oxidation of para-chloroaniline, para-bromaoniline, and para-iodoaniline dissolved in acetonitrile at gold electrodes is reported. The theory describing the ESR signal intensity flow rate behavior for the reaction mechanism is developed for the tubular arrangement and used to extract mechanistic and kinetic data from the experimental results for the cases of para-chloroaniline and para-bromoaniline.

All Other Basic Organic Chemical Manufacturing, Industrial Organic Chemicals, Cyclic crudes and intermediates, Cyclic Crude and Intermediate Manufacturing, Aniline, Acetonitrile, Electron paramagnetic resonance

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Voltammetric and electrochemical ESR studies of oxidation reactions mediated by tris(4-bromophenyl)amine in acetonitrile

Article Abstract:

The electrochemical oxidation of tris(4-bromophenyl)amine (TBPA) in the presence of 2,6-lutidine is examined in acetonitrile. Voltammetric and spectroscopic studies show that the electrogenerated triaryl aminium radical cation oxidizes 2,6-lutidine in an electrochemical mechanism and a homogeneous electron transfer equilibrium exists between electrogenerated species TBPA and 2,6-lutidine.

Electron transport, Amines, Electrochemical analysis

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Cathodic reaction of bisulfite and sulfur dioxide in aqueous solutions on copper electrodes: An electrochemical ESR study

Article Abstract:

The electrochemical reduction of aqueous solutions of sulphite under acidic conditions on copper electrodes is reported and a mechanism is proposed. It is proposed that the electron spin resonance (ESR) signal measures the concentration of the radical anion in equilibrium with its dimer, dithionite, which is found to decay on the ESR experimental times scales employed.

Science & research, All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Sulfur Dioxide, Research, Copper compounds, Aqueous solution reactions, Electrochemical reactions, Sulphur dioxide

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