Fig. 4: Selective oxidation of benzene to phenol with 2:1 of H2O2/benzene molar ratio.

a Catalytic performance over various catalysts for SOBP. Reaction conditions: 30 mg catalyst, 0.4 mL benzene, 2:1 H2O2/benzene molar ratio, 2.0 mL CH3CN as solvent, 60 °C, 5 h. *50 mg catalyst, 72 h, other conditions are same as above. b The comparison of benzene TOF over various catalysts. Reaction conditions: 30 mg catalyst, 0.4 mL benzene, 2:1 H2O2/benzene molar ratio, 2.0 mL CH3CN, 60 °C, 5 h.