Catalytic performance of SiO2-supported Fe(ClO4)3. 6H2O in synthesis of 2-substituted benzimidazoles

摘要

Benzimidazole derivatives have been synthesized using a catalytic amount of Fe(ClO 4 ) 3 /SiO 2 at room temperature with excellent yields under solvent-free conditions. The solid phase conditions and use of a heterogeneous, and inexpensive catalyst are attractive features of this method.