Makvandi, Marzieh, Fatemeh Abiar Dil, Ameneh Malekzadeh, Mojtaba Baghernejad, and Khodabakhsh Niknam. 2024. “Silica-Bonded N-Propyltriethylene-Tetramine As a Recyclable Solid Base Catalyst for the Synthesis of 2-Amino-5-Oxo-5,6,7,8-Tetrahydro-4H-Chromenes”. Iranian Journal of Catalysis 3 (4). https://oiccpress.com/ijc/article/view/3777.