Abo Elsoud, Fatma Ahmed, Mohamed Abd-Elmonem, Mohamed Abo Elsebaa, and Kamal Usef Sadek. “Zn(L-proline)2: An Efficient and Reusable Organocatalyst for the Synthesis of Polyfunctionally Substituted Pyrans and 2-Amino-4-Aryl-8-Oxo-4,8-dihydropyrano[3,2-b]pyran Derivatives”. European Journal of Chemistry 10, no. 2 (June 30, 2019): 166–170. Accessed April 29, 2024. https://eurjchem.com/index.php/eurjchem/article/view/1851.