Table 1.

Investigation of Scope in Heterocycle

entry	azine	ArBr	product	yield (%)a
1			1a	53
2		“	1b	51
3		“	1c	78
4		“	1d	70
5		“	1e	76
6		“	1f	67
7		“	1g	0
8		“	1h	86b
9		“	1i	65b
10			1j	73b
11		“	1k	49c
12		“	1l	24b
13		“	1m	26b
14		“	1n	33b

^aIsolated yield of analytically pure product; 0.4 mmol scale in ArBr; 0.8 M absolute concentration in ArBr;

^bReaction run at 175 °C and 0.3 M absolute concentration in ArBr;

^cReaction run at 165 °C and 0.3 M absolute concentration in ArBr.