Eshghi, Hossein, Rahimizadeh, Mohammad, Mousavi, Seyed Mohsen. Fe(HSO4)3/SiO2: An efficient and heterogeneous catalyst for cyclization of 2- aminochalcones to 2- aryl-2,3- dihydroquinolin- 4(1H)- ones. Iranian Journal of Catalysis. 2014;4(4):235-239. doi: