1. Chemistry Department, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran;2. Chemistry Department, Faculty of Sciences, Persian Gulf University, Bushehr, 75169, Iran
Abstract:
A highly selective synthesis of 2‐aryl‐1‐arylmethyl‐1H‐1,3‐benzimidazoles from the reaction of o‐phenylenediamine and aromatic aldehydes in the presence of silica‐bonded propyl‐S‐sulfonic acid (SBSSA) at 80°C in water in good to excellent yields was developed.