Table 1.

Ni-catalyzed Borylation of Electron-Rich and Electron-Neutral Aryl Bromides with BBA

entry	product		time	temperature	yield (%)
1		1a	2 h	80 °C	91
2		1b	2 h	80 °C	89
3		1c	2 h	80 °C	77
4a		1d	6 h	rt	78
5a		1e	6 h	rt	67
6		1f	4 h	80 °C	84
7		1g	3 h	80 °C	72
8		1h	6 h	rt	90
9		1i	4 h	rt	93
10		1j	4 h 8 h	rt	90 81b

^a3 mol % NiCl₂(dppp) and 6 mol % PPh₃

^b48 mmol scale using 0.1 mol % NiCl₂(dppp), 0.2 mol % PPh₃ in EtOH (90 mL)