Table 3. Synthesis of quinazolinone derivatives via aerobic oxidation using CuMnFe LDHzyme/DDQ and CuMnFe-LDHzyme/4-phenyl urazole catalytic system^a.

Entry	Substrate	Product	DDQ		4-Phenyl urazole
			Time (h)	Yield (%)	Time (h)	Yield (%)
1			18	98	20	98
2			17	98	18	96
3			16.5	98	17	98
4			18	92	18.5	85
5			18	89	20	82
6			18	85	19.5	82
7			19	85	20	80
8			23	24	77	80
9			22	75	24	70
10			22	70	24	68

^aReaction Conditions: substrate (1 mmol), CuMnFe-LDHzyme (140 mg), mediator (10 mol%), CH₃CN (3 mL) under O₂ (balloon).