A Simple and Efficient, Silica Supported Oxon Catalyzed One-pot Synthesis of 2-Aryl-Benzimidazoles

A simple and efficient method for the synthesis of 2-arylbenzimidazole has been described involving the reaction of orthophenylene diamine with various primary alcohols using silicon supported Oxon as a catalyst. This method also describes mild reaction conditions, short reaction times, simple procedure, good yields and eco-friendly features.