Browsing by Author Rizk, Sameh Ahmed

Showing results 1 to 88 of 88
Issue DateTitleAuthor(s)
1-Jan-20111.4-AryIation of β-(4-acetylaminobenzoyl)acrylic acid with activated aromatic hydrocarbons under friedel-crafts conditions and some Studies with the ProductsRizk, Sameh Ahmed ; El Hashash, M. A.; Aburzeza, M. M.
1-Jan-20112- (3, 4- Dimethylphenyl - 3- [3, 4-dichloro (or 3, 4-dimethyl) benzoyl])-propanoic acids as precursors in the synthesis of some heterocyclic compoundsRizk, Sameh Ahmed ; EI-Hashash, M. A.
1-Feb-2020A facile synthesis and antioxidant evaluation of conjugated 8-azacoumarins based on DFT parametersRizk, Sameh Ahmed ; Shaban, Safa; Sallam, Hanan A.
1-Mar-2021A green microwave method for synthesizing a more stable phthalazin-1-ol isomer as a good anticancer reagent using chemical plasma organic reactionsRizk Sameh A ; El-Hashash, Maher A. ; Youssef, Amr A.; Elgendy, Abdelfattah T.
1-Jan-2023A Sustainable Synthesis, Eco-Safe Approach Efficiency and DFT Study of Novel 5,6,7,8-Tetrahyroquinazolin-2(1H)-one Derivatives as Antioxidant ReagentsKadhim, Mohammed Abed; Fahmy, Amin Farouk Mohamed; Zangana, Emad Khelil Mohammed; Hassaballah, Aya Ibrahim; Rizk, Sameh Ahmed 
1-Jul-2021An efficient ultrasonic synthetic approach, DFT study and molecular docking of 6a‐hydroxy‐9‐nitro‐6,6a‐dihydro‐isoindolo[2,1‐a] quinazoline‐5,11‐dione derivatives as algaecides for refining wastewater.Mohamed G. El-Banna; Maher A. El-Hashash; El- naggar, Abeer ; Azza A. El-Badawy; Rizk, Sameh Ahmed 
15-May-2023Antioxidant activity of novel nitrogen scaffold with docking investigation and correlation of DFT stimulationShalaby, Mona A.; Fahim, Asmaa M.; Rizk, Sameh Ahmed 
1-Mar-2023Assessment 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.
15-Jan-2018Characterization of newly synthesized pyrimidine derivatives for corrosion inhibition as inferred from computational chemical analysisEl-Taib Heakal, F.; Rizk, Sameh Ahmed ; Elkholy, A. E.
1-Jul-2020Cytotoxic activity and density functional theory studies of some 1,3-diphenylpyrazolyltetrahydropyrimidine derivativesSayed K. Ramadan ; Halim, KNM; El-Hashash, MA; Rizk, Sameh Ahmed 
1-Sep-2019Design, Regiospecific Green Synthesis, Chemical Computational Analysis, and Antimicrobial Evaluation of Novel Phthalazine HeterocyclesRizk, Sameh Ahmed ; Abdelwahab, Salwa S.; El-Badawy, Azza A.
1-Jun-2022Design, synthesis, molecular dockingstudy andtoxicological evaluation potential of novel spiro and fused heterocyclic derivatives against agricultural insect pestsAbdelwahab, Salwa S.; Rizk, Sameh Ahmed ; Eid, Ahmed M.
1-Jan-2023Designing of Zn (II)-based novel coordination polymer (CP): Synthesis, characterization, and heavy metal removal from waterBaraka, Ahmad; Sheashea, Mohamed; Gado, Karim; Rizk, Sameh Ahmed ; Abuzalat, Osama
1-Nov-2018Efficient Green Synthesis and Computational Chemical Study of Some Interesting Heterocyclic Derivatives as Insecticidal AgentsFahmy, AFM; Hemdan, MM; El-Hag, Amira ; Hassaballah, AI; Rizk, Sameh Ahmed 
15-May-2019Efficient green synthesis of antioxidant azacoumarin dye bearing spiro-pyrrolidine for enhancing electro-optical properties of perovskite solar cellsAttia, S. K.; Elgendy, A. T.; Rizk, Sameh Ahmed 
1-Jan-2024Enantioselective MW-US-assisted Synthesis, DFT Simulation and Molecular Docking of Spiro Pyrrolidine-2,3'-Thieno [2,3-d]Pyridazin-Hydrazide as Green Agricultural ProductRizk, Sameh Ahmed ; Alzahrani, Abdullah Y.; Abdo, Abdullah M.
5-Jan-2019Enhancing lubricating oil properties using novel quinazolinone derivatives: DFT study and molecular dynamics simulationElkholy, Ayman E.; Rizk, Sameh Ahmed ; Rashad, Ahmed M.
1-Aug-2022Expeditious microwavable one-pot synthesis and biological exploration of spiro[indoline-3,4′-pyrazolo[3,4-b] pyridine derivativesNaglaa, F. H.Mahmoud; Rizk, Sameh Ahmed ; Galal A. Elsayed ; Ali, Ali Kh
1-Sep-2019A Facile One-pot Synthesis and Anticancer Evaluation of Interesting Pyrazole and Pyrimidinthione via Heterocyclic InterconversionRizk, Sameh Ahmed ; Shaban, Safa
1-Jan-2017Facile synthesis and structural characterization of some phthalazin-1(2H)-one derivatives as antimicrobial nucleosides and reactive dyeEL-Hashash, M. A.; Rizk, Sameh Ahmed ; El-Bassiouny, F. A.; Guirguis, D. B.; Khairy, S. M.; Guirguis, L. A.
2022Facile Synthesis, Biological Evaluation, DFT Studies and in Silico Prediction ADME/Pharmacokinetics Properties of N-(1-(2-Chlorobenzo[h]Quinolin-3-yl)-1-Substituted-vin-2-yl)Benzamide DerivativesAbdelrahman, AM; Fahmi, AA; Rizk, Sameh Ahmed ; Eman A. E. El-Helw 
1-Jan-2016Facile synthesis, characterization, and antimicrobial evaluation of novel heterocycles, Schiff bases, and N-nucleosides bearing phthalazine moietyAzab, Mohamed Emad; Rizk, Sameh Ahmed ; Mahmoud, Naglaa Fawzy
1-Jan-2024Green synthesis of aryl-(4-oxo-1,2-dihydroquinazolin-4-yl-methylene) pyrazole-TiO<inf>2</inf> nanoparticles as dyes removable for waste water treatmentAlotaibi, Badriah; Rizk, Sameh Ahmed ; Alyousef, Haifa A.; Atta, Ali; Elgendy, Abdelfattah T.
1-Sep-2024Histopathological Alterations in the Larvae of Culex pipiens L. (Diptera: Culicidae) Induced by Nanoemulsion of Pimpinella anisum L. Essential OilAbdel-Nasser, Eman; Hafez, Jehan A.; M.badawy, Rawda; Rizk, Sameh Ahmed ; Hefni, Hassan H.; Azmy, Radwa M.
6-Jan-2021Improving heavy oil recovery, part (I): Synthesis and surface activity evaluation of some novel organometallic surfactants based on salen-M complexesAbdelhamid, M. M.; Rizk, Sameh Ahmed ; Betiha, M.A. ; Desouky, S. M.; Alsabagh, A. M.
3-Jun-2024Influence of TiO<inf>2</inf> Nanoparticles on Enhancing the Properties Activity of Organic Polymeric Materials for Industrial ApplicationsAlotaibi, B. M.; Alyousef, Haifa A.; Atta, A.; Rizk, Sameh Ahmed ; Elgendy, Abdelfattah T.
1-Feb-2023Microwave-assisted hydrothermal preparation of magnetic hydrochar for the removal of organophosphorus insecticides from aqueous solutionsNassar, Alshimaa E.; El-Aswar, Eslam Ibrahim; Rizk, Sameh Ahmed ; Gaber, Seleem El Sayed; Jahin, Hossam S.
1-Sep-2021Microwave-assisted regioselective reaction of furanone derivative supported by DFT stimulation and molecular docking to afford controlling insecticidal agentsRizk SA ; Atta-Allah, Saad Ramadan
1-Dec-2023Microwave-assisted synthesis, antioxidant activity, docking simulation, and DFT analysis of different heterocyclic compoundsShalaby, Mona A.; Fahim, Asmaa M.; Rizk, Sameh Ahmed 
1-Dec-2024Microwave-ultrasonic assisted extraction of lignin to synthesize new nano micellar organometallic surfactants for refining oily wastewaterAlhalafi, M. H.; Rizk, Sameh Ahmed ; Al-Malki, E. S.; Algohary, A. M.
1-Jun-2023Microwave-ultrasonic assisted synthesis, and characterization of novel 3′-(amino, hydrazino and hydrazide)-6′-bromo-spiro(isobenzofuran-1,2′-quinazoline)-3,4′-dione derivatives as antimicrobial agentsAlgohary, Ayman M.; Hassan, A. M. A. ; Alzahrani, Abdullah Y.; Rizk, Sameh Ahmed 
15-Aug-2019Morphology control synthesis of iron-rich Sinai clay by novel O, N, S-heterocyclic moieties: Magnetic organoclays for various strategic uses in lubricating oilfield industryAbdel-Latef, Sarah A.; Darwish, Atef S.; Rizk, Sameh Ahmed ; Atya, Sayed K.; Helal, Maher H.E.
1-Nov-2022A new approach to chromeno[4,3-b]pyridine: Synthesis, X-ray, spectral investigations, hirshfeld surface analysis, and computational studiesShalaby, Mona A.; Al-Matar, Hamad M.; Fahim, Asmaa M.; Rizk, Sameh Ahmed 
1-Aug-2023Novel Azo Dye Based on 1,3,4-Thiadiazole: Synthesis, Characterization Linked to Application as Dye-Sensitized Solar Cells and AntioxidantAshmawy, Ashraf M.; Alahl, Amr A.Sayed; Ali, Ali A.; Mahmoud, Ammar M.; Rizk, Sameh Ahmed 
1-Dec-2021Novel colorimetric chemosensors containing pyridine moiety for detection of some cations in water and crops samples: Design, synthesis, and evaluationAlgohary, Ayman M.; Hassan, Mohamed M.; El-Hashash, Maher A. ; Rizk, Sameh Ahmed ; Elamin, Manahil B.; Ahmed, Amani H.
2-Apr-2024Novel pyrazole and imidazolone compounds: synthesis, X-ray crystal structure with theoretical investigation of new pyrazole and imidazolone compounds anticipated insecticide’s activities against targeting Plodia interpunctella and nilaparvata lugensShalaby, Mona A.; BinSabt, Mohammad H.; Rizk, Sameh Ahmed ; Fahim, Asmaa M.
1-Jan-2024One Pot Synthesis of Thiopyrimidine Derivatives from Lignin Reproductions by Microwave-Assisted Ultrasonic Microscopy with DFT Description for Clarifying the Mass SpectrumAlgohary, Ayman M.; Al-Ghamdi, Youssef O.; Babaker, Manal A.; Rizk, Sameh Ahmed 
1-May-2017One-pot Synthesis of Novel Spirooxindoles as Antibacterial and Antioxidant AgentsEl-Hashash, Maher A. ; Rizk, Sameh Ahmed 
1-Sep-2018One-pot synthesis, spectroscopic characterization and DFT study of novel 8-azacoumarin derivatives as eco-friendly insecticidal agentsRizk, Sameh Ahmed ; Elsayed, Galal A. ; El-Hashash, Maher A. 
1-Jan-2019Phenolic Content as Antioxidant and Antimicrobial Activities of Pistacia atlantica Desf. (Anacardiaceae) Extract from LibyaOthman, Salma O.K.; El-Hashash, Maher A. ; Hussein, Sahar A.M.; El-Mesallamy, Amani M.D.; S.A. Rizk ; Elabbar, Fakhri A.
1-Dec-2023Photosensitization of TiO2 microspheres by novel Quinazoline-derivative as visible-light-harvesting antenna for enhanced Rhodamine B photodegradationHamza, M.A.; Ezz-Elregal, EE.M.; Shaimaa A Abd El-Rahman; Sayed K. Ramadan ; Zeinab M Abou‑Gamra; Rizk, Sameh Ahmed 
1-Mar-2023Practiced Synthesis and Biological Evaluation of Some New Pyrimidin-2-Thione Derivatives as Potential Anticancer AgentsZaher, Omnia S.Abdel; Badawy, Monda M.M.; Aly, Mohamed R.; Rizk, Sameh Ahmed 
1-Jan-2012Reactivity of 2-ethoxyquinazolin- 4-yl hydrazine and its use in synthesis of novel quinazoline derivatives of antimicrobial activityEl-Hashash, Maher A. ; Darwish, Khalid M.; Rizk, Sameh Ahmed ; El-Bassiouny, Fakhry A.
1-Jul-2016Regioselective Diastereomeric Michael Adducts as Building Blocks in Heterocyclic SynthesisEl-Hashash, Maher A. ; Rizk, Sameh Ahmed 
1-Jul-2018Regioselective Reactions, Spectroscopic Characterization, and Cytotoxic Evaluation of Spiro-pyrrolidine ThiopheneRizk, Sameh Ahmed ; Abdelwahab, Salwa S.; Sallam, Hanan A.
1-Jan-2022Regioselective Synthesis, Spectroscopic Characterization, and Computational Chemical Study of Spiro[Indoline-3,4’-Pyrazolo[3,4-b] Pyridine Derivatives as Agrochemical AgentsIbrahim, Nasser Abdelmoneim; El-Kaed, Sarah Ahmed; Rizk, Sameh Ahmed ; Ali, Ali Khalil
1-Nov-2017Regiospecific Isomerization of 2-Benzoxazinon-2-yl Benzoic Acid Toward Some Nitrogen Nucleophiles as Environmental InsecticideEl-Hashash, Maher A. ; Rizk, Sameh Ahmed ; El-Naggar, Abeer M.; El-Bana, Mohamed G.
1-Dec-2024Retraction Note: Microwave-ultrasonic assisted extraction of lignin to synthesize new nano micellar organometallic surfactants for refining oily wastewater(Bioresources and Bioprocessing, (2024), 11, (46), 10.1186/s40643-024-00761-9)Alhalafi, M. H.; Rizk, Sameh Ahmed ; Al-Malki, E. S.; Algohary, A. M.
1-Jan-2018Rheological and physical properties of ionic liquids with ammonium cations as synthetic lubricantsEl-Nagar, R. A.; Attia, S. K.; Rizk, Sameh Ahmed ; Osman, D. I.; Abdallah, R. I.
2022Rodenticidal Activity of Some Quinoline-Based Heterocycles Derived from Hydrazide–Hydrazone DerivativeKaddah, Mohamed M.; Fahmi, Abdelgawad A.; Kamel, Mustafa M.; Sayed K. Ramadan ; Rizk, Sameh Ahmed 
1-Jan-2018Solvent-free synthesis and antimicrobial properties of some novel furanone and spiropyrimidone derivativesElsayed, Galal A. ; Mahmoud, Naglaa F.H.; Rizk, Sameh Ahmed 
1-Feb-2021Straightforward synthesis, antiproliferative screening, and density functional theory study of some pyrazolylpyrimidine derivativesHalim, KNM; El-Hashash, MA; Ramadan, Sayed ; Rizk, Sameh Ahmed 
1-Aug-2024Superb bio-effectiveness of Cobalt (II) phthalocyanine and Ag NPs adorned Sm-doped ZnO nanorods/cuttlefish bone to annihilate Trichinella spiralis muscle larvae and adult worms: In-vitro evaluationBayaumy, Fatma E.A.; Rizk, Sameh Ahmed ; Darwish, Atef S.
1-Jan-2011Syfhesis of some new quinazoiin-4-one derivativesEl-Hashash, M. A.; Rizk, Sameh Ahmed 
1-Feb-2017Synthesis and applications of pyridazinones for base oil improvementRizk, Sameh Ahmed ; Attia, S. K.; Osman, Doaa I.; Nessim, M. I.
2021Synthesis and biological activity on IBD virus of diverse heterocyclic systems derived from 2-cyano-N'-((2-oxo-1,2-dihydroquinolin-3-yl)methylene)acetohydrazideKaddah, MM; Morsy, ARI; Fahmi, AA; Kamel, MM; Elsafty, MM; Sayed Karam Ramadan Emam ; Rizk, Sameh Ahmed 
1-Jan-2024Synthesis and Biological Applications of Coumarinyl-ChalconesRamadan, Sayed ; Rizk, Sameh Ahmed ; Eman A. E. El-Helw 
1-Feb-2019Synthesis and QSAR Study of Some Novel Heterocyclic Derivatives as In Vitro Cytotoxic AgentsAbdelwahab, SS; Elrazaz, Eman ; Rizk, Sameh Ahmed 
10-Dec-2015Synthesis and regioselective reaction of some unsymmetrical heterocyclic chalcone derivatives and spiro heterocyclic compounds as antibacterial agentsEl-Hashash, Maher A. ; Rizk, Sameh Ahmed ; Atta-Allah, Saad R.
15-May-2012Synthesis and utility of 6-(β-Phthalimidoethyl) -2-methyl and/or 2-phenyl-3, l-benzoxazin-4-ones in some heterocyclic synthesisEl-Hashash, Maker A.; Rizk, Sameh Ahmed 
16-Apr-2017Synthesis of novel pyrazole derivatives as Antineoplastic AgentEl-Hag, Amira ; Rizk, Sameh Ahmed 
7-Oct-2015Synthesis of some novel heterocyclic and schiff base derivatives as antimicrobial agentsAzab, Mohamed E.; Rizk, Sameh Ahmed ; Amr, Abd El-Galil E. 
5-Nov-2017Synthesis, characterization and computational chemical study of novel pyrazole derivatives as anticorrosion and antiscalant agentsEl-Taib Heakal, F.; Attia, S. K.; Abou Essa, M. A.; Elkholy, A. E.; Rizk Sameh A 
1-Jan-2021Synthesis, characterization, computational chemical studies and antiproliferative activity of some heterocyclic systems derived from 3-(3-(1,3-diphenyl-1H-pyrazol-4-yl)acryloyl)-2H-chromen-2-oneKaddah, MM; Fahmi, AA; Kamel, MM; Sayed K. Ramadan ; Rizk, Sameh Ahmed 
2021Synthesis, density functional theory, and cytotoxic activity of some heterocyclic systems derived from 3-(3-(1,3-diphenyl-1H-pyrazol-4-yl)acryloyl)-2H-chromen-2-oneRamadan, Sayed ; Rizk, Sameh Ahmed 
1-Jan-2023Synthesis, Density Functional Theory, Insecticidal Activity, and Molecular Docking of Some N-Heterocycles Derived from 2-((1,3-Diphenyl-1H-Pyrazol-4-yl)Methylene)Malonyl DiisothiocyanateAbdelrahman, Aya M.; Fahmi, Abdelgawad A.; Rizk, Sameh Ahmed ; Eman A. E. El-Helw 
1-May-2020Synthesis, DFT and antimicrobial studies of 5,6,7,8- Tetrachloro phthalazin-1-ol and 2,3-benzoxazin-1(2h)-one derivativesRizk, Sameh Ahmed ; Youssef, Mohamed Fathy; Mubarak, Ahmed M.
1-Jan-2023Synthesis, 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 
17-Apr-2020Synthesis, DFT study, molecular docking and insecticidal evaluation of some pyrazole-based tetrahydropyrimidine derivativesHalim, KNM; Ramadan, Sayed ; El-Hashash, MA; Rizk SA 
1-Jan-2024Synthesis, Insecticidal Activity and DFT Study of 1,2,4-Triazolidinthione, 1,3,5-Oxadiazine and Thiourea DerivativesEl-Sayed, Amira A.; Elsayed, Galal A. ; Rizk, Sameh Ahmed ; Ismail, Mahmoud F. 
8-Jun-2023Synthesis, reactions and application of chalcones: a systematic reviewShalaby, Mona A.; Rizk, Sameh Ahmed ; Fahim, Asmaa M.
5-Mar-2018Synthesis, spectroscopic characterization and computational chemical study of 5-cyano-2-thiouracil derivatives as potential antimicrobial agentsRizk, Sameh Ahmed ; El-Naggar, Abeer M.; El-Badawy, Azza A.
1-Apr-2024Synthesis, structural characterization and optical studies of Fe<inf>2</inf>O<inf>3</inf> nanoparticles based polymeric materials for flexible electronic devicesAlotaibi, B. M.; Al-Yousef, H. A.; Atta, A.; Rizk, Sameh Ahmed ; Elgendy, A. T.
15-Feb-2025Synthesis, X-ray, Hirshfeld surface analysis, computational investigations, electrochemical analysis, ADME investigations, and insecticidal activities utilized docking simulation of kite-like 2,4,6-triarylpyridineShalaby, Mona A.; BinSabt, Mohammad H.; Al-Matar, Hamad M.; Rizk, Sameh Ahmed ; Fahim, Asmaa M.
1-Jul-2024The enhanced visible-light-driven photocatalytic performance of nanocrystalline TiO2 decorated by quinazolinone-photosensitizer toward photocatalytic treatment of simulated wastewaterAdel Hamza, Mahmoud; Abd El-Rahman, Shaimaa A.; Ramadan, Sayed ; Ezz-Elregal, Ezz-Elregal M.; Abou-Gamra, Zeinab M.; Rizk, Sameh Ahmed 
1-Jan-2024Toxicological Evaluation of Pomegranate Fruit Extract in Male and Female RatsEl-Sheikh, Abd El Azeem M.; Barakat, Ahmed B.; Rabiee, Omar A.; Rizk, Sameh Ahmed ; Kandeil, Ahmed; El-Taweel, Ahmed
1-May-2017Ultrasonic and Grinding Aptitudes of One-Pot Synthesis of 5-(4-Chlorophenyl)-7-(3,4-Dimethyl Phenyl)-2-oxo-2H-Pyrano[2,3-b]Pyridine Derivatives as Antibacterial AgentsRizk, Sameh Ahmed ; El-Hashash, Maher A. ; El-Badawy, Azza A.
1-Sep-2018Ultrasonic Aptitude of Regioselective Reaction of 6-bromo-spiro-3,1-benzoxazinone2,1′-isobenzofuran-3′,4-dione Towards Some Electrophilic and Nucleophilic ReagentsEl-Hashash, Maher A. ; Rizk, Sameh Ahmed ; El-Badawy, Azza A.
2022Ultrasonic Promoted Regioselective Reactions of the Novel Spiro 3,1-Benzoxazon-Isobenzofuranone Dye Toward Some Organic Base ReagentsHassaballah, AI; S.K. Ramadan ; El-Helw, EAE ; Abdelwahab, SS; Rizk, Sameh Ahmed 
1-Jan-2023Ultrasonic-Assisted Regioselective Reactions and Quantum Chemical Study of Pyrimidin-2-Thione Carrying Pyrazole Moiety as Algaecides for Refining WastewaterAlhalafi, Mona H.; Rizk, Sameh Ahmed ; Alzahrani, Abdullah Y.A.; Algohary, Ayman M.
1-Jan-2023Ultrasonic-Assisted Synthesis and Quantum Chemical Analysis of Spiro[Indoline-3,3′-Pyrazol]-2-One Derivatives as Effective Bactericidal and Viricidal AgentsRizk, Sameh Ahmed ; Abdelwahab, Salwa S.; Abdo, Abdullah M.
1-Dec-2023UPLC-QTOF/MS-assisted chemical profiling of Daucus carota leaf extractand evaluation of its antioxidant, antimicrobial and antibiofilm activities: Evidence from in vitro and in silico studiesMahmoud, Hayam N.S.; El-Shazly, Maha A.M.; Saad, Amal M.; Refahy, Laila A.; Ghareeb, Mosad A.; Rizk, Sameh Ahmed 
1-Jan-2011The uses of 2-ethoxy-(4H)-3,1-benzoxazin-4-one in the synthesis of some quinazolinone derivatives of antimicrobial activityEl-Hashash, Maher A. ; Darwish, Khalid M.; Rizk, Sameh Ahmed ; El-Bassiouny, Fakhry A.
1-Jan-2012Uses of 2-ethoxy-4(3H) quinazolinone in synthesis of quinazoline and quinazolinone derivatives of antimicrobial activity: the solvent effectEl-Hashash, Maher A. ; Rizk, Sameh Ahmed ; Darwish, Khalid M.; El-Bassiouny, Fakhry A.
1-Dec-2012Utility of 4-(4-Bromophenyl)-4-oxo-but-2-enoic acid in synthesis of some important heterocyclic compoundsRizk, Sameh Ahmed ; El-Hashash, M. A.; Shaker, Sohir A.; Mostafa, K. K.
1-Jan-2011Utility of p-acetamidobenzoyl prop-2-enoic acid in the synthesis of new α-amino acids and using them as building blocks in heterocyclic synthesisA-El-hashash, M.; Rizk, Sameh Ahmed ; Aburzeza, M. M.
1-Dec-2008Utility of β-aroyl acrylic acid in heterocyclic synthesisRizk, Sameh Ahmed ; El-Hashash, M. A.; Mostafa, K. K.
1-May-2020Which energetically favorable sustainable synthesis of 4-amino-8-azacoumarin ester or 4-hydroxy-3-cyano derivative based on new exact kinetic Arrhenius and DFT stimulationEl-gendy, Abdelfatah T.; Youssef, Amr A.; Rizk, Sameh Ahmed 
Showing results 1 to 88 of 88