Table 1.

Development of catalytic reaction conditions.

Entry	Deviation from standard conditions	%conv ArBr	%yield 5	%yield 5-iso
1	Standard conditions	86	75	0
2	(bpp)NiCl2 instead of [(bpp)MnCl2 + NiCl2•dme]	92	83	8
3	(bpp)Co(OAc)2 instead of (bpp)MnCl2	72	35	6
4	(bpp)FeBr2 instead of (bpp)MnCl2	74	29	11
5	Constant current: 6 mA	82	49	1
6	Constant current: 1.5 mA	62	45	0
7	Constant voltage: Ecell = 0.4 V	81	47	0
8	Constant voltage: Ecell = 0.6 V	89	53	1
9	No NiCl2•dme	0	0	0
10	No (bp)MnCl2	7	0	0
11	No iPrQ ligand	6	5	1
12	Zn0 anode, no e-chem	24	17	1
13	Zn0 powder (3 equiv), no e-chem	74	60	5
14	5 mol% iPrQ	78	43	1
15	15 mol% iPrQ	84	68	0
16	200 mM ArBr and 200 mM tBuBr	100	57	0

Calibrated GC yields against an internal standard are reported. CCE, constant current electrolysis.