Shekhanavar R, Kamath A, Kamanna K. Fe3O4@3-Aminopropyltriethoxysilane-SO3H: A greener catalyst for one-pot synthesis of pyranopyrimidine derivatives. Iran. J. Catal. 2025;15(3 (September 2025). doi:10.57647/j.ijc.2025.1503.37