Table 2.

Investigation of oxidative cleavage of trans-stilbene under optimum conditions in the presence of acidic additives.

Entry	Catalyst	H2O2/Substrate (mmol/mmol)	T (°C)	Con. (%)a	Yield (%)b
1	A-CQDs/W (1 mol%)	3/1	90	63	58
2	A-CQDs/W (1 mol%)	3/1	70	50	45
3	A-CQDs/W (1 mol%)	2/1	90	49	43
4	A-CQDs/W (0.5 mol%)	3/1	90	52	43

Reaction conditions: trans-Stilbene (1 mmol), H₂O (1.5 mL), A-CQDs/W (1 mol %), 3 h.

^aConversions were calculated based on initial mmol of trans-stilbene.

^bIsolated Yields.