Abstract
AbstractA novel and unprecedented route for the synthesis of pyrrolo[3,4‐c]quinoline N‐oxides is described. The synthetic approach involves a stepwise [3+2] cycloaddition/reductive cyclization from readily available 2‐nitrochalcones and activated methylene isocyanides. The unique feature of this transformation is the reductive cyclization of C−N bond forming without any external reductants. Moreover, the application of pyrrolo[3,4‐c]quinoline N‐oxides is realized to formed pyrrolo[3,4‐c]quinoline derivatives.
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