Fig. 1

Performance of MnO_x with different modifiers in the aerobic oxidation of benzylamine. Reaction conditions: 1 mmol benzylamine, 0.1 mmol MnO_x, additive/MnO_x = 20 mol%, 5 mL CH₃CN, 0.3 MPa O₂, 90 °C, 14 h. ^a20 h. ^bAdditive/MnO_x = 200 mol%