Palladium(II)-Catalyzed [3 + 2] Annulation of Aromatic Triflamides via Maleimide-Relayed Dual C-H Activation Process
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A palladium-catalyzed [3 + 2] annulation of substituted aromatic triflamides with maleimides affording tricyclic heterocycles bearing a free NHTf group in a highly atom- and step-economical manner has been developed. Quinoxaline serves as the key ligand, facil... ...