Iodobenzene-catalyzed synthesis of a-azidoketones and a-thiocyanatoketones from aryl ketones with MCPBA as a cooxidant is described. The method is simple, rapid and practical, generating a-azidoketones and a-thiocyanatoketones from the aryl ketone without isolation of a-tosyloxyketones in good to excellent yields.

Iodobenzene-catalyzed synthesis of imidazo[1,2-a]pyridines from aryl ketones with mCPBA as a cooxidant in ionic liquid is described. The method is simple, rapid and practical, generating Imidazo[1,2a]pyridines from the aryl ketone without isolation of a-tosyloxyketones in good to excellent yields.

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