Summary of the Suzuki–Miyaura cross coupling reaction using different types of Pd catalysts.

Entry	Catalyst	Catalyst eq.a (mol%)	NMR yieldb (%)
1	None	—	8.5
2	Pd/C	0.18–0.72	>99
3	Pd@PVP	0.18–0.72	>99
4	Polymer–Pd nanocomposite	0.18–0.72	>99
5	Pd/C	0.09	44.8
6	Pd@PVP	0.09	>99
7	Polymer–Pd nanocomposite	0.09	>99
8	Pd/C	0.04	12.5
9	Pd@PVP	0.04	>99
10	Polymer–Pd nanocomposite	0.04	>99
11	Pd@PVP	0.02	96.8
12	Polymer–Pd nanocomposite	0.02	97.4
13	Pd@PVP	0.01	92.6
14	Polymer–Pd nanocomposite	0.01	93.8
15	Pd@PVP	0.004 (40 ppm)	51.5
16	Polymer–Pd nanocomposite	0.004 (40 ppm)	65.8
17	Pd@PVP	0.002 (20 ppm)	21.5
18	Polymer–Pd nanocomposite	0.002 (20 ppm)	33.6

^aCatalyst eq. (mol%) = [catalyst]/[4-iodophenol] × 100%.

^bYield was calculated by comparing the NMR spectrum of reaction, and the detailed calculation equation is listed in Fig. S15.