Fig. 2. Substrate scope for the electrochemical etherification.

Standard conditions: Carbon rod anode, nickel plate (15 mm by 15 mm by 1 mm) cathode, constant current = 10 mA, 1 (0.5 mmol), 2 (3 equiv.), ⁿBu₄NClO₄ (0.5 equiv.), Cs₂CO₃ (2 equiv.), 20°C, in DCE/Et₂O (6/0.5 ml) under N₂ atmosphere for 3.5 hours, and an undivided cell. ^bDCE/DCM (4/2 ml). ^cCarbon rod anode, Pt plate (15 mm by 15 mm by 0.3 mm) cathode, in DCE (6 ml) under N₂ atmosphere for 3.5 hours, 12°C.