Fig. 8 | Nature Communications

Fig. 8

From: Convenient iron-catalyzed reductive aminations without hydrogen for selective synthesis of N-methylamines

Fig. 8

Catalyst recycling. Recycling and reusability of Fe2O3/NGr@C-catalyst for the N, N-dimethylation of 4-nitrothioanisole. aReaction conditions: 1 mmol 4-Nitrothioanisole, 100 mg catalyst (5 mol%), 600 mg paraformaldehyde, 2 mmol Na2CO3, 4 mL DMSO-water (1:1), 130 °C, 24–30 h, yields were determined by GC

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