Fe(HSO4)3-Catalyzed Direct Conversion of Aldehydes into Nitriles Using Hydroxylamine Hydrochloride

Due to the importance and various applications of nitriles especially in medicinal productions, a new method for conversion of aldehydes to nitriles has been presented. Several nitrile-containing aromatic compounds were synthesized through the treatment of various aldehydes and hydroxylamine hydrochloride as nucleophile in the presence of ferric hydrogen sulfate as a heterogeneous, efficient, and recyclable catalyst in DMF in good to excellent yields.