Mohammad Alikarami - Department of Chemistry, Ilam Branch, Islamic Azad University, Ilam, Iran
Ahmad Nikseresht - Department of Chemistry, Payame Noor University, PO BOX ۱۹۳۹۵-۴۶۹۷ Tehran, Iran
Tayebeh Amoozadeh - Department of Chemistry, Payame Noor University, PO BOX ۱۹۳۹۵-۴۶۹۷ Tehran, Iran

Benzimidazoles are among the most important nitrogen-containing heterocyclic compounds that have many pharmaceutical applications, including antitumor, anticancer, anticorrosive, antibacterial, irritant and enzymatic interceptors. In this research, the synthesis of benzimidazoles by using o-phenylenediamine and aldehyde derivatives in the presence of the nano montemurillonite in solvent-free and room temperature conditions has been investigated. All products with relatively good yields were identified by spectroscopic and melting point methods.

Nano montemurillonite clay, benzimidazoles, solvent-free conditions, heterocyclic compounds