Table 1. Optimization of Reaction Conditions^a.

entry	variation from initial conditionsa	yieldb (%)
1	none	62
2	0.16 M instead of 0.08 M	47c
3	5 h instead of 3 h	20
4	4 Å MS as an additive	53
5	AgPF6 (1.5 equiv) as an additive	23d
6	TFA (1:4 v/v with THF) as an additive	25d
7	TEMPO (10 mol %) as an additive	25d
8	MeCN instead of THF	37e
9	DMF instead of THF	38
10	CH2Cl2 instead of THF	55
11	MeOH/THF(1:1v/v, 0.08 M)	91
12	without current	nr

^aInitial conditions: undivided cell, Pt cathode, C-SK50 anode, constant current = 10 mA, 1 (0.4 mmol), nBu₄PF₆ (1.0 equiv), MeOH (10 equiv), THF (0.08 M), rt, 3 h.

^bIsolated yield.

^c50% conversion.

^dPartial decomposition was observed.

^e59% conversion.