Akhter, K., Jahan, K., Romman, U., Giasuddin Ahmed, M., Sharifur Rahman, M., & Al-Amin, M. (2015). A Green Approach to Synthesize Dihydropyrimidinone Derivatives by Using Anhydrous ZnCl2 Catalyst Under Refluxing Condition in Heptane-Toluene Medium via Biginelli Reaction. Asian Journal of Chemistry, 27(7), 2624–2626. https://doi.org/10.14233/ajchem.2015.18615