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Dearomatisation of C2‐ and C3‐substituted indoles: synthesis of ortho‐formyl/acyl anilide derivatives. Reaction conditions: substrate (0.25 mmol), RB (3 mol %), K3PO4 (50 mol %), DMF (0.9 mL), H2O (0.1 mL), reaction time 45 h; isolated yields. [a] Without K3PO4.
