Catalytic results over the Au25/TiO2 catalysts in the Suzuki cross-coupling reactions of iodoanisole and phenylboronic acid using the imidazolium-based ionic liquids. Reaction conditions: 0.1 mmol iodoanisole, 0.12 mmol phenylboronic acid, 0.36 mmol K2CO3, 100 mg Au25(SR)18/TiO2 (~1 wt % cluster loading), solvents (1 mL EtOH or EtOH:H2O (10:1, v/v), and 0.2 mL IL or other organic solvents), 90 °C, 18 h.