Table 2. Screening of bases and solvents for diarylation of dichlorogold(iii) complexes ^a .

Entry	Base	Solvent	Time (h)	Yield b (%)
				Mono	Di
1	K3PO4	1,4-Dioxane	16	0	0
2	K3PO4	DMF	16	0	0
3	K3PO4	1% iPrOH in toluene	16	10	70
4	K3PO4	1% EtOH in toluene	16	30	60
5	K3PO4	THF	16	50	50
6	Li3PO4	Toluene	16	0	0
7	KOH	Toluene	16	30	10
8	K2CO3	10% H2O in THF	16	0	0
9	K3PO4	1 : 1 toluene–iPrOH	4	0	82
10	K2CO3	1 : 1 toluene–iPrOH	10	0	85

^aConditions: experiments were performed with 1 (0.05 mmol), 2 (0.125 mmol), Pd(OAc)₂ (0.002 mmol), [HP(^tBu)₃]BF₄ (0.007 mmol), base (0.2 mmol), indicated solvent-solvent mixture (5 mL), rt.

^bYields are based on ¹⁹F NMR relative to C₆H₅F as internal standard.