The oxidation of aldehydes is an efficient methodology for the synthesis of carboxylic acids.
Herein we hope to report a simple, efficient and recyclable protocol for aerobic oxidation of aldehydes
to carboxylic acid by using C3N4 supported silver nanoparticles (Ag/C3N4) as a catalyst in aqueous
solution under mild conditions. Under standard conditions, the corresponding carboxylic acids can be
obtained in good to excellent yields. In addition, Ag/C3N4 is convenient for recovery and could be
reused three times with satisfactory yields.
Keywords: Ag/C3N4, silver nanoparticles, aerobic oxidation, aldehydes, carboxylic acids, water.
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