Table 4.

Effect of catalyst loading on the polymerization carried out under N₂ atmosphere for 24 h in the presence of CuI and Et₃N in THF. T = 90 °C; [P[5](OTf)₂] = [9,10-diethynylanthracene] = 0.30 M; [Pd(PPh₃)₂Cl₂] = 0.02 M; [PPh₃] = 0.03 M; Et₃N = 0.6 mL.

Entry	CuI (M)	Yield (%)
1	0.10	/
2	0.05	79
3	0.04	92
4	0.03	71
5	0.02	/
6	0.01	/