Fig. 2: Scope of (5 + 1) annulation cyclic alcohols.

aReaction conditions: 2-alkenylphenols (0.4 mmol), acrylate (0.2 mmol), nBu4NOAc (0.4 mmol), Cp2Fe (10 mol%), [RhCp*Cl2]2 (2.5 mol%), and MeCN (4 mL) in an undivided cell with RVC (2.0 × 8.0 × 30 mm) as the anode and Pt (10 × 10 mm) as the cathode at 85 °C and 1.5 mA for 4 h. bYield of isolated product based on acrylate.