Direct nucleophilic functionalization of C(sp2)–H-bonds in arenes and hetarenes by electrochemical methods

The data on the main electrochemical methods and approaches used for the direct functionalization of the C(sp2)–H-bond proceeding via the mechanisms of nucleophilic substitution of hydrogen (SNH-reaction) are classified and summarized. The important features of preparative electrochemical processes are considered. A special emphasis is placed on the synthetic potential of the discussed transformations. The bibliography includes 133 references.