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A Mn(III)-catalyzed three-component cascade C-H/N-H functionalization of 2-aminopyridines with 2 equiv of dialkyl butyndioates leads to peri-condensed tricylic azines through a selective, but partly destructive, stoichiometry. A wide range of… Click to show full abstract
A Mn(III)-catalyzed three-component cascade C-H/N-H functionalization of 2-aminopyridines with 2 equiv of dialkyl butyndioates leads to peri-condensed tricylic azines through a selective, but partly destructive, stoichiometry. A wide range of 2,11-diazatricyclo[5.3.1.04,11]undeca-1(10),4,6,8-tetraen-3-ones were thus obtained with moderate to high yields in a step-economical fashion under mild conditions. This transformation can serve as a concise method for constructing valuable precursors of functional materials and biologically active compounds.
Journal Title: Organic letters
Year Published: 2018
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