Publications

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2021
Abu-Melha, S., M. M. Edrees, S. M. Gomha, W. A. M. A. El-Enany, S. M. Riyadh, and A. H. Abdelmonsef, "Bioactive Scaffolds: Synthesis and In Silico Antibacterial Activity of Bis-azoles and N-Bridged Bis-fused Azoles", Der Pharmacia Lettre, vol. 13, pp. 67-78, 2021.
Aljuhani, A., S. M. Riyadh, and K. D. Khalil, "Chitosan/CuO nanocomposite films mediated regioselective synthesis of 1,3,4-tri substituted pyrazoles under microwave irradiation", Journal of Saudi Chemical Society, vol. 25, pp. 101276-101283, 2021.
Khalil, K. D., S. M. Riyadh, M. Jaremko, T. A. Farghaly, and M. Hagar, "Synthesis of Chitosan-La2O3 Nanocomposite and Its Utility as a Powerful Catalyst in the Synthesis of Pyridines and Pyrazoles", Molecules, vol. 26, pp. 3689-3699, 2021.
2020
Abu‐Melha, S., M. M. Edrees, S. M. Riyadh, M. R Abdelaziz, A. A. Elfiky, and S. M. Gomha, "Clean Grinding Technique: A Facile Synthesis and In Silico Antiviral Activity of Hydrazones, Pyrazoles, and Pyrazines Bearing Thiazole Moiety against SARS‐CoV‐2 Main Protease (Mpro)", Molecules, vol. 25, issue 19, pp. 4565-4577, 2020.
Riyadh, S. M., K. D. Khalil, and A. H. Bashal, "Structural Properties and Catalytic Activity of Binary Poly (vinyl alcohol)/Al2O3 Nanocomposite Film for Synthesis of Thiazoles", Catalysts, vol. 10, issue 1, pp. 100, 2020. reprint.pdf
Nouh, S. A., B. O. Alsobhi, A. A. Elfadl, K. Benthami, K. D. Khalil, and S. M. Riyadh, "Structure and thermal investigation of the effect of laser radiation in Chitosan-MgO nanocomposite film", Radiation Effects and Defects in Solids, vol. 175, issue 5-6, pp. 422-432, 2020.
Gomha, S. M., S. M. Riyadh, and E. M. Abubaker, Synthesis and Biological Evaluation of Some New Pyrroles, : Lap Lambert Academic Publishing, 2020.
Gomha, S. M., and S. M. Riyadh, Synthesis of some new bioactive heterocycles, : Lap Lambert Academic Publishing, 2020.
Riyadh, S. M., and S. M. Gomha, "Two decades of the synthesis of mono- and bisaminomercapto[ 1,2,4]triazoles", RSC Advances, vol. 10, pp. 24994–25012, 2020.
2019
Afifi, T. H., S. M. Riyadh, A. A. Deawaly, and A. Naqvi, "Novel chromenes and benzochromenes bearing arylazo moiety: molecular docking, in-silico admet, in-vitro antimicrobial and anticancer screening", Medicinal Chemistry Research, vol. 28, issue 9, pp. 1471-1487, 2019. anwer-2.pdf
Khalil, K. D., S. M. Riyadh, S. M. Gomha, and I. Ali, "Synthesis, characterization and application of copper oxide chitosan nanocomposite for green regioselective synthesis of [1,2,3]triazoles", International Journal of Biological Macromolecules, vol. 130, pp. 928-937, 2019. reprint.pdf
2018
Riyadh, S. M., K. D. Khalil, and A. Aljuhani, "Chitosan-MgO Nanocomposite: One Pot Preparation and Its Utility as an Ecofriendly Biocatalyst in the Synthesis of Thiazoles and [1,3,4]thiadiazoles", Nanomateriald, vol. 8, pp. 928, 2018. nanomaterials-reprint_794.pdf
, "A Decade of Development of Ethylidenethiosemicarbazides as Building Blocks for Synthesis of Azoles and Azines", Oriental Journal of Chemistry, vol. 34, pp. 586-611, 2018.
Hafez, N. A. A., H. M. E. Hassaneen, T. A. Farghaly, S. M. Riyadh, and H. S. A. Elzahabi, "Synthesis of New Bis-Spiropyrazoles as Antitumor Agents under ultrasound irradiation", Mini Reviews in Medicinal Chemistry, vol. 18, pp. 631-637, 2018.
Riyadh, S. M., S. A. El-Motairi, H. E. A. Ahmed, K. D. Khalil, and E. L. - S. E. Habib, "Synthesis, Biological Evaluation, and Molecular Docking of Novel Thiazoles and [1,3,4]Thiadiazoles Incorporating Sulfonamide Group as DHFR Inhibitors", Chemistry and Biodiversity, vol. 15, pp. 1800231, 2018.
2017
Riyadh, S. M., D. L. Hughes, and M. A. Said, "Crystal structure of a 1,1,2,2-tetrachloroethanesolvated hydrazinecarbothioamide compound", Acta Crystallographica Section E: Crystallographic Communications, vol. E73, pp. 1271-1274, 2017.
Riyadh, S. M., A. A. Deawaly, H. E. A. Ahmed, T. H. Afifi, and S. Ihmaid, "Novel arylazothiazoles and arylazo[1,3,4]thiadiazoles as potential antimicrobial and anticancer agents: synthesis, molecular modeling, and biological screening", Medicinal Chemistry Research, vol. 27, pp. 1956-1968, 2017.
Ihmaid, S., H. E. A. Ahmed, A. A. Ali, Y. E. Sherif, H. M. Tarazi, S. M. Riyadh, M. F. Zayed, H. S. Abulkhair, and H. E. B. A. S. RATEB, "Rational design, synthesis, pharmacophore modeling, and docking studies for identification of novel potent DNA-PK inhibitors", Bioorganic Chemistry, vol. 72, pp. 234-247, 2017.
Riyadh, S. M., S. M. Gomha, and E. A. Mahmmoud, "Utility of Ethylidenethiosemicarbazides in Heterocyclic Synthesis", Current Organic Chemistry, vol. 14, pp. 3-21, 2017.
2016
Haiba, M. E., E. S. Al-Abdullah, H. A. Ghabbour, S. M. Riyadh, and R. M. Abdel-Kader, "Inhibitory activity of benzo[h]quinoline and benzo[h]chromene in human glioblastoma cells", Tropical Journal of Pharmaceutical Research, vol. 15, issue 11, pp. 2237-2343, 2016.
2015
Gomha, S. M., and S. M. Riyadh, "Cellulose sulfuric acid as an eco-friendly catalyst for novel one-pot synthesis of pyrido[2,3-d][1,2,4]triazolo[4,3-a]pyrimidin-5-ones", Journal of Brazilian Chemical Society, vol. 26, pp. 916-923, 2015.
Riyadh, S. M., S. M. Gomha, and E. A. Mahmmoud, "RECENT TRENDS IN CHEMISTRY OF ETHYLIDENETHIOCARBONO- HYDRAZIDES", world Journal of Pharmacy and Pharmaceutical Sciences, vol. 4, pp. 192-201, 2015.
Gomha, S. M., and S. M. Riyadh, "Solvent-drop grinding method: Efficient synthesis, DPPH radical scavenging and anti-diabetic activities of chalcones, bis-chalcones, azolines, and bis-azolines", Current Organic Synthesis, vol. 12, pp. 220-228, 2015.
Gomha, S. M., S. M. Riyadh, E. A. Mahmmoud, and M. A. H. M. O. U. D. M. ELAASSER, "Synthesis and Anticancer Activities of Thiazoles, 1,3-Thiazines, and Thiazolidine Using Chitosan-Grafted-Poly(vinylpyridine) as Basic Catalyst", Heterocycles, vol. 91, pp. 1227-1243, 2015.
Gomha, S. M., S. M. Riyadh, E. A. Mahmmoud, and M. A. H. M. O. U. D. M. ELAASSER, "Synthesis and Anticancer Activity of Arylazothiazoles and 1,3,4-Thiadiazoles Using Chitosan-grafted-poly(4-vinylpyridine) as a Novel Copolymer Basic Catalyst", Chemistry of Heterocyclic Compounds, vol. 51, pp. 1030-1038, 2015.