1. A series of 1,3 -imidazoles and triazole-3-thiones based thiophene-2-carboxamides as anticancer agents: Synthesis and anticancer activity, R. A. Haggam, Mohamed G. Assy, Mohamed H. Sherif, Mohamed M. Galahom; European Journal of Chemistry, 2018, 9(2), 99–106.
2. Synthesis and biological activities of some condensed oxazine and pyrimidine derivatives: cyclization, ring transformation and functionalization of oxazine, R. A. Haggam, Essam Abdelghani Soylem, Mohammed Gomaa Assy, Mariam Fikery Arastiedy; Current Science, 2018, Vol. 115, No. 10, 1893–1903.
3. Synthesis of Pyrano[2,3-d]pyrimidine-2,4-diones and Pyridino[2,3-d]pyrimidine-2,4,6,8-tetraones: Evaluation Antitumor Activity, Reda A. Haggam, Mohamed G. Assy, Enaiat K. Mohamed, Abdussattar S. Mohamed; J Heterocyclic Chem., 2020, 57, 842–850.
4. One-Pot Multicomponent Synthesis and Anticancer Activity of 1,3-Cyclopentathiazine and Pyrimidothiazine Derivatives, R. A. Haggam, H. Y. Moustafa, M. G. Assy, and H. M. AbdEl-Rahman; Russian Journal of Organic Chemistry, 2020, Vol. 56, No. 5, 916–923.
5. Synthesis and antimicrobial evaluation of new series of quinazolin‑5‑one derivatives, Reda A. Haggam, Essam. A. Soylem, Mohamed. G. Assy, Marium. F. Arastiedy; J. Iran. Chem. Soc., 2020,17: 1715–1723.
6. Microwave-assisted synthesis of double-headed derivatives of (4-amino-5-mercapto-4H-1,2,4-triazol-3-yl)-ethan-1-ol and study of their biological activity, R. A. Haggam; Res. Chem. Intermed., 2021, 43, 6299–6315.