Nano-TiO2 as a new, green and recyclable catalyst for the synthesis of 2-aryl benzoxazole under solvent-free conditions

Bita Baghernejad

Abstract

A simple, convenient and general method has been developed for the synthesis of 2-arylbenzoxazole via condensation of o-aminophenols and benzoyl chloride derivatives under solvent-free condition in the presence of a catalytic amount of Nano-TiO2 in good yields.