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An efficient electro-oxidative C-H/N-H activation with 1,3-diynes has been achieved with a robust earth-abundant cobalt catalyst. The electrochemical C-H functionalization was accomplished with ample scope and remarkable functional group compatibility in a simple undivided cell. This protocol avoids the utilization of stoichiometric and cost-intensive chemical oxidants in C-H activation, thus forming hydrogen as the only byproduct.
Mei et al. (Wed,) studied this question.