Table 1 Optimization of reaction conditions^a.


Entry	Deviation from standard conditions	Yield (%)^b
1	None	72^c
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.

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