Bakherad M, Keivanloo A, Amin AH, Doosti R, Hoseini O. Eggshell-supported-Cu(II) salophen complex: An efficient and green catalyst for synthesis of propargylamines under solvent-free conditions. Iran. J. Catal. 2024;6(4). Accessed June 16, 2026. https://oiccpress.com/ijc/article/view/3931