SiO2@Au–Ag NCs catalyzed solvent free amidation of carboxylic acid with primary aminea.
Reaction conditions: amine 1 (1.0 mmol), carboxylic acid 2 (5 mmol) and SiO2@Au–Ag NCs (2.0 mol%).
Reaction conditions: amine 1 (1.0 mmol), carboxylic acid 2 (5 mmol) and SiO2@Au–Ag NCs (2.0 mol%).