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BCl3‐induced borylative cyclization of 2‐alkynyl‐anisoles. Bottom right, solid state structure of 4 g, thermal ellipsoids at 50 % probability and hydrogens omitted for clarity. [a] 12 h. [b] 6 mmol scale to produce 1.16 g of 4 g. [c] Using non‐purified solvents under ambient atmosphere.
