Table 5.

Ni-catalyzed Borylation of Aryl and Heteroaryl Chlorides with BBA

entry	Product		time	temperature	yield (%)
1		2a	4 h	rt	92
2		2c	4 h	rt	89
3		2e	4 h	80 °C	89
4		5a	12 h	rt	64
5a		5b	8 h	80 °C	52
6		2i	12 h	rt	83
7		1a	12 h	80 °C	66
8		5c	2 h	80 °C	69
9a		3j	12 h	80 °C	75
10a		3i	12 h	80 °C	58
11		3a	12 h	rt	86

^aNiCl₂(dppp) (5 mol %), PPh₃ (10 mol %)