. 2019 Aug 20;4(10):14353–14359. doi: 10.1021/acsomega.9b02442

Table 1. Optimization of the Reaction Conditions^a.

entry	electrode	electrolyte	current (mA)	additive	time (h)	yield (%)^b
1	C/C	LiClO₄	10		3	60
2^c	C/C	LiClO₄	10		3	52
3	C/C	LiClO₄	10	AcOH	3	43
4	C/C	LiClO₄	10	TsOH	3	77
5	C/C	LiClO₄	10	TsOH	4.5	72
6	C/C	LiClO₄	10	TsOH	2.5	79
7	C/C	LiClO₄	10	TsOH	2	74
8	C/C	LiClO₄	5	TsOH	4.5	78
9	C/C	LiClO₄	15	TsOH	2	74
10	C/Pt	LiClO₄	10	TsOH	2.5	66
11	C/Ni	LiClO₄	10	TsOH	2.5	51
12	C/Cu	LiClO₄	10	TsOH	2.5	32
13	C/Fe	LiClO₄	10	TsOH	2.5	31
14	C/C	Bu₄NBF₄	10	TsOH	2.5	63
15	C/C		10	TsOH	2.5	82
16	C/C		10		2.5	53
17^d	C/C		10	TsOH	2.5	67
18^e	C/C		10	TsOH	2.5	68
19^f	C/C		10	TsOH	2.5	0

Reaction conditions: 1a (0.5 mmol), 2a (2.0 equiv), MeOH (8 mL), electrolyte (0.5 mmol), additive (0.5 mmol), 4 Å MS (200 mg), undivided cell, room temperature, and nitrogen atmosphere.

Yields based on 1a.

Under air without 4 Å MS.

2a (1.5 equiv).

2a (3.0 equiv).

Without electric current.

Table 1. Optimization of the Reaction Conditionsa.

Table 1. Optimization of the Reaction Conditions^a.