Table 2. Aerobic Degradation of Commercial Pure PS or PS Waste from Our Daily Life^abcd.

^aReaction was carried out with PS (104 mg) in the presence of pTsOH·H₂O (9.5 mg) as the catalyst in 1 mL of benzene/CH₃CN (1/1) under O₂ (1 bar) and violet-blue light (405 nm, 9 W) for 15 h.

^bCatalytic amount of acid and the yield of products are based on the single repeat unit (1 mmol) of PS.

^cYield determined by ¹H NMR with 1,3,5-trimethoxybenzene as an internal standard.

^dIsolated yield in parentheses.