Abstract

Among the numerous methods used for the preparation of organic free radicals the most widespread have been the following [1–6]: 1) Thermal decomposition; 2) electric discharge in gases; 3) electron bombardment; 4) radiolysis with γ-rays; 5) photolysis. Alongside these methods in the last 10 years there has also been a rapid development of the electrochemical methods for generation of free radicals, which has a number of special characteristics and advantages over the other methods. Most frequently used for electrolytic generation of free radicals is electrolytic reduction, and more rarely electrolytic oxidation; as a rule radical anions are obtained in the first case and radical cations in the second: $$R + e \to {R^{\cdot - }};{\text{ }}R - e \to {R^{\cdot + }}.$$

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