Aerobic oxidation of various alcohols catalyzed by Fe₃O₄@Cu₂O nanomaterial^a.

Entry	Substrate	Product	Selectivity (%)	Yieldb (%)
1			>99	>99
2			>99	>99
3			>99	92
4			>99	96
5			>99	>99
6			>99	>99
7			>99	>99
8			>99	>99
9			>99	>99
10			>99	>99
11			>99	>99
12			>99	14
13			16.5	9
14			>99	5
15			>99	3
16			—	—

^aReaction conditions: alcohol (5 mmol), Fe₃O₄@Cu₂O (15 mg), TEMPO (0.25 mmol, 39.1 mg), NMI (0.25 mmol, 20 mg), CH₃CN (5 mL), 25 °C, 18 h.

^bConfirmed by GC-MS analysis.