A mild method for the direct C-H/N-H coupling between γ-lactams and anilines through electrochemical oxidation has been developed. The protocol proceeded smoothly without metal catalysts at room temperature to afford γ-substituted γ-lactams in good yields. It has been revealed that the quasi-divided cell which provided high current density on the anode was crucial for this reaction.
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Gong et al. (2016) studied this question.
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