Figure 2

Photo oxidation under Condition Aa. aAll reactions were carried out using 2 (1 mmol) and 1c (0.1 mol%) in CH3OH (5 mL) irradiated by a purple LED light at rt under air atomsphere. Isolated yield was reported.
Photo oxidation under Condition Aa. aAll reactions were carried out using 2 (1 mmol) and 1c (0.1 mol%) in CH3OH (5 mL) irradiated by a purple LED light at rt under air atomsphere. Isolated yield was reported.