Table 1.

Optimization of reaction conditions^a.

Entry	Deviation from standard conditions	Yield (%)b
1	None	72c
2	Reaction at RT	25
3	Reaction at 8 mA	61
4	Reaction at 12 mA	66
5	Reaction under air	50
6	Et4NPF6 (0.2 equiv)	63
7	Et4NBF4 instead of Et4NPF6	72
8	n-Bu4NPF6 instead of Et4NPF6	64
9	Et4NOTs instead of Et4NPF6	66
10	Pt plate (1 cm × 1 cm) as anode	20 (69)d
11	Graphite plate (1 cm × 1 cm) as anode	56

Bn benzyl

^aReaction conditions: RVC anode, Pt plate cathode, 1 (0.2 mmol), MeOH (9 mL), Et₄NPF₆ (0.1 mmol), 10 mA, 2.3 h (4.3 F mol^–1).

^bDetermined by ¹H NMR analysis using 1,3,5-trimethoxybenzene as the internal standard.

^cIsolated yield.

^dUnreacted 1 in bracket.