Reductive-acetylation of nitroarenes to N-arylacetamides using N₂H₄·H₂O/rGO@Fe₃O₄/ZrCp₂Cl_x/Ac₂O system^a.

Entry	R	Product	Time (min)	Yield (%)
1	H		15	97
2	4-OH		100	No reaction
3	4-NH2		50	98
4	2-OH		25	No reaction
5	4-COMe		30	50
6	3-Me		40	95
7	4-OMe		40	94
8	2-NH2		70	97
9	3-COMe		55	60
10	3-CHO		70	70
12b	3-NH2-5-NO2		30	91

^aAll reactions were carried out with 1 mmol of nitroarene, 2 mmol of N₂H₄·H₂O 80%, 2 mmol Ac₂O and 20 mg of rGO@Fe₃O₄/ZrCp₂Cl_x in refluxing EtOH (2 mL).

^bIn this reaction, 3 mmol of N₂H₄·H₂O 80% and Ac₂O was used.