科研之友
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摘要
A metal-free protocol through visible light mediated oxidative cleavage of C = C bonds to directly construct C = N bonds has been developed for the conversion of alkenes to hydrazones under mild conditions. The reaction involves a diazetidine intermediate that is generated by [2 1 2] annulation of alkenes with diazenes generated in situ by single-electron oxidation of arylhydrazines. The key features of this reaction include a broad substrate scope and readily available reagents.
