Metal-Free Synthesis of Imido Derivatives by Direct Oxidation of alpha-Amido Sulfones

[摘要]：Oxidation of alpha-amidoaryl sulfones with m-chloroperoxybenzoic acid under mild conditions readily provides the corresponding imides in satisfactory yields. The overall process probably involves formation of an N-acyliminium ion intermediate, which by attack of the peroxyacid anion generates the final imido derivatives.

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