List of Articles Natural catalyst Open Access Article Abstract Page Full-Text 1 - Synthesis of Arylidene (thio)barbituric Acid Derivatives using Bentonite as a Natural and Reusable Catalyst in Green Media Mahdieh Yahyazadehfar Sayed Ali Ahmadi Enayatollah Sheikhhosseini Dadkhoda Ghazanfari Open Access Article Abstract Page Full-Text 2 - Spotlight: Application of natural catalysts in the synthesis of organic compounds Maryam Sadat Ghasemzadeh