OICC Press Iranian Journal of Catalysis 2345-4865 3 2 2024 02 03 CuO-CeO2 nanocomposite: A green recyclable catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones EN Jalal Albadi Department of Chemistry, Faculty of Science, Shahrekord University, Shahrekord, Iran. Azam Mansournezhad Department of Chemistry, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran. Journal Article 2024 02 03 CuO-CeO2 nanocomposite is reported as a green and highly efficient recyclable catalyst for the multicomponent  synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones under solvent-free conditions. The catalyst was synthesized by co-precipitation method and characterized by XRD, BET specific surface area, FESEM and EDS analysis.