Table 3.

Ni(II)-β-CD as a catalyst in preparing coupling products.

Entry	Aryl halide	Producta	Time (h)	Yieldb (%)	M.p. (oC)Ref
1			5	97c	68–7058
2			6	95c	87–8958
3			6	94c	46–4758
4			6.5	85	70–7258
5			8	90	110–11258
6			8	91	84–8658
7			7.5	89	75–7958
8			8	90	68–7058
9			12	91	84–8658
10			12	87	110–11258
11			12	85	46–4758
12			12	86	87–8958
13			12	92	58–5956
14			12	90	119–12056

^aReaction status: aryl bromide/iodide, K₂CO₃, phenylboronic acid (with the ratio: 0.5:0.75:0.75), and water (1 mL) under an argon atmosphere.

^bIsolated yields.

^cYields appointed by GC.