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Issue Date	Title	Author(s)
1-Dec-2012	Utility of 4-(4-Bromophenyl)-4-oxo-but-2-enoic acid in synthesis of some important heterocyclic compounds	Rizk, Sameh Ahmed ; El-Hashash, M. A.; Shaker, Sohir A.; Mostafa, K. K.
1-Jan-2023	Ultrasonic-Assisted Synthesis and Quantum Chemical Analysis of Spiro[Indoline-3,3′-Pyrazol]-2-One Derivatives as Effective Bactericidal and Viricidal Agents	Rizk, Sameh Ahmed ; Abdelwahab, Salwa S.; Abdo, Abdullah M.
1-Aug-2022	Expeditious microwavable one-pot synthesis and biological exploration of spiro[indoline-3,4′-pyrazolo[3,4-b] pyridine derivatives	Naglaa, F. H.Mahmoud; Rizk, Sameh Ahmed ; Galal A. Elsayed ; Ali, Ali Kh
1-Jan-2016	Facile synthesis, characterization, and antimicrobial evaluation of novel heterocycles, Schiff bases, and N-nucleosides bearing phthalazine moiety	Azab, Mohamed Emad; Rizk, Sameh Ahmed ; Mahmoud, Naglaa Fawzy
1-Jan-2011	2- (3, 4- Dimethylphenyl - 3- [3, 4-dichloro (or 3, 4-dimethyl) benzoyl])-propanoic acids as precursors in the synthesis of some heterocyclic compounds	Rizk, Sameh Ahmed ; EI-Hashash, M. A.
1-Jan-2022	Regioselective Synthesis, Spectroscopic Characterization, and Computational Chemical Study of Spiro[Indoline-3,4’-Pyrazolo[3,4-b] Pyridine Derivatives as Agrochemical Agents	Ibrahim, Nasser Abdelmoneim; El-Kaed, Sarah Ahmed; Rizk, Sameh Ahmed ; Ali, Ali Khalil
1-May-2020	Synthesis, DFT and antimicrobial studies of 5,6,7,8- Tetrachloro phthalazin-1-ol and 2,3-benzoxazin-1(2h)-one derivatives	Rizk, Sameh Ahmed ; Youssef, Mohamed Fathy; Mubarak, Ahmed M.
1-Sep-2018	Ultrasonic Aptitude of Regioselective Reaction of 6-bromo-spiro-3,1-benzoxazinone2,1′-isobenzofuran-3′,4-dione Towards Some Electrophilic and Nucleophilic Reagents	El-Hashash, Maher A. ; Rizk, Sameh Ahmed ; El-Badawy, Azza A.
1-Jan-2024	Green synthesis of aryl-(4-oxo-1,2-dihydroquinazolin-4-yl-methylene) pyrazole-TiO<inf>2</inf> nanoparticles as dyes removable for waste water treatment	Alotaibi, Badriah; Rizk, Sameh Ahmed ; Alyousef, Haifa A.; Atta, Ali; Elgendy, Abdelfattah T.
1-Jan-2023	Synthesis, DFT and Antitumor Activity Screening of Some New Heterocycles Derived from 2,2'-(2-(1,3-Diphenyl-1H-Pyrazol-4-yl)Ethene-1,1-Diyl)Bis(4H-Benzo[d][1,3]Oxazin-4-One)	Abdelrahman, Aya M.; Fahmi, Abdelgawad A.; Rizk, Sameh Ahmed ; Eman A. E. El-Helw
15-May-2012	Synthesis and utility of 6-(β-Phthalimidoethyl) -2-methyl and/or 2-phenyl-3, l-benzoxazin-4-ones in some heterocyclic synthesis	El-Hashash, Maker A.; Rizk, Sameh Ahmed
1-Jan-2023	Synthesis, Density Functional Theory, Insecticidal Activity, and Molecular Docking of Some N-Heterocycles Derived from 2-((1,3-Diphenyl-1H-Pyrazol-4-yl)Methylene)Malonyl Diisothiocyanate	Abdelrahman, Aya M.; Fahmi, Abdelgawad A.; Rizk, Sameh Ahmed ; Eman A. E. El-Helw
1-Mar-2023	Assessment of larvicidal efficiency of nanoemulsion from Pimpinella anisum L. essential oil on Culex pipiens L. (Diptera: Culicidae)	Abdel-Nasser, Eman; Hafez, Jehan A.; Badawy, Rawda M.; Rizk, Sameh Ahmed ; Hefni, Hassan H.; Azmy, Radwa M.
1-Mar-2023	Practiced Synthesis and Biological Evaluation of Some New Pyrimidin-2-Thione Derivatives as Potential Anticancer Agents	Zaher, Omnia S.Abdel; Badawy, Monda M.M.; Aly, Mohamed R.; Rizk, Sameh Ahmed
1-Jan-2011	The uses of 2-ethoxy-(4H)-3,1-benzoxazin-4-one in the synthesis of some quinazolinone derivatives of antimicrobial activity	El-Hashash, Maher A. ; Darwish, Khalid M.; Rizk, Sameh Ahmed ; El-Bassiouny, Fakhry A.
15-May-2019	Efficient green synthesis of antioxidant azacoumarin dye bearing spiro-pyrrolidine for enhancing electro-optical properties of perovskite solar cells	Attia, S. K.; Elgendy, A. T.; Rizk, Sameh Ahmed
1-Jan-2024	One Pot Synthesis of Thiopyrimidine Derivatives from Lignin Reproductions by Microwave-Assisted Ultrasonic Microscopy with DFT Description for Clarifying the Mass Spectrum	Algohary, Ayman M.; Al-Ghamdi, Youssef O.; Babaker, Manal A.; Rizk, Sameh Ahmed
1-Jan-2023	Designing of Zn (II)-based novel coordination polymer (CP): Synthesis, characterization, and heavy metal removal from water	Baraka, Ahmad; Sheashea, Mohamed; Gado, Karim; Rizk, Sameh Ahmed ; Abuzalat, Osama
15-Jan-2018	Characterization of newly synthesized pyrimidine derivatives for corrosion inhibition as inferred from computational chemical analysis	El-Taib Heakal, F.; Rizk, Sameh Ahmed ; Elkholy, A. E.
5-Jan-2019	Enhancing lubricating oil properties using novel quinazolinone derivatives: DFT study and molecular dynamics simulation	Elkholy, Ayman E.; Rizk, Sameh Ahmed ; Rashad, Ahmed M.