We report here a catalyst‐free, (sp 2 )C−H imination reaction of in‐situ formed imidazo[1,2‐ a ]pyridines and α‐iminoketones. This one‐pot, multicomponent, and atom economic reaction is performed at moderate to room temperature without the need for any catalyst and inert conditions. The reaction showed good substrate tolerance with appreciable yields. Gram‐scale synthesis and post‐synthetic modifications to obtain 1,2‐diketones are also described.
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Rao et al. (2024) studied this question.
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