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Synthesis of pyrroles from nitroarenes in the presence of Co/NGr‐C@SiO2‐L and H2. Reaction conditions: 0.5 mmol nitroarene, 40 mg catalyst, 40 bar H2, 120 °C, 24 hours; 0.8 mL DMTHF or 0.8 mL 2,5‐hexanedione. [a] after 36 h; [b] newly reported compound; [c] corresponding anilines were obtained as the only products.
