Abstract
AbstractAn electrochemical oxydifluoroethylation of alkenes involving the anodic oxidative generation of MeCF2 radical has been achieved, which enabled to construct diversified difluoroethylated benzoxazines and lactones in 35–87% yields. Moreover, the developed protocol was also extended to the synthesis of cyclopropyldifluoromethylated benzoxazines. Detailed mechanistic studies indicated the reaction underwent a radical process concerned with tandem C−CF2R and C−O bond formation.
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