Mirjalili, Bi Bi Fatemeh, Araqi, Reza, Mohajeri, Seyed Ahmad (2019). A simple and green approach for the synthesis of substituted dihydro-2-oxypyrroles catalyzed by nano-Fe3O4@SiO2/SnCl4 superparamagnetic nanoparticles. *Iranian Journal of Catalysis*, 9(1), 11-19.