Table 1.

Change from Standard Conditions

entry	change from standard conditions	product	yield (%)[a]
1	no change	2	98
2	THF instead of DMA	2	21
3	no premixing of (Bpin)2 and KOEt	2	79
4	1.5 equiv ArBr instead of 3.0 equiv ArBr	2	65
5	2 mol % NiCl2 (DME) instead of 5 mol % NiCl2 (DME)	2	75
6	glovebox free reaction setup	2	94
7	no change	3	65
8	THF instead of DMA	3	20
9	no premixing of (Bpin)2 and KOEt	3	29

Reactions performed on 0.2 mmol scale.

^[a]Yield determined by ¹H NMR analysis of the unpurified reaction mixture with an internal standard.