A metal-and oxidant-free electrochemical method for preparing selenomethyl-substituted cyclic ethers or lactones via difunctionalization of olefines is presented. A series of selenomethylsubstituted cyclic ethers, particularly 9-and 11membered, selenomethyl-substituted lactones (4-6 membered), and selenomethyl-substituted phthalides can be obtained via this reaction. This method features convenient operation, an electron as oxidant, and ammonium iodide as electrolyte, thereby making it a green synthesis method.
Owing to the inert nature of the pyridine ring and high activity of iminyl radical, the reaction between pyridine and iminyl radical remains a significant challenge. In this paper, we...
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