Search Results - "Riyadh, Sayed M."

Synthesis and Anticancer Activities of Thiazoles, 1,3-Thiazines, and Thiazolidine Using Chitosan-Grafted-Poly(vinylpyridine) as Basic Catalyst by M. Riyadh, Sayed, M. Gomha, Sobhi, A. Mahmmoud, Elmahdi, M. Elaasser, Mahmoud

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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 (M pro ) by Abu-Melha, Sraa, Edrees, Mastoura M, Riyadh, Sayed M, Abdelaziz, Mohamad R, Elfiky, Abdo A, Gomha, Sobhi M

“…A novel series of some hydrazones bearing thiazole moiety were generated via solvent-drop grinding of thiazole carbohydrazide with various carbonyl compounds…”
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Enaminones as building blocks for the synthesis of substituted pyrazoles with antitumor and antimicrobial activities by Riyadh, Sayed M

“…Novel N-arylpyrazole-containing enaminones 2a,b were synthesized as key intermediates. Reactions of 2a,b with active methylene compounds in acetic acid in the…”
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Synthesis, Molecular Docking Study, and Cytotoxic Activity against MCF Cells of New Thiazole–Thiophene Scaffolds by Gomha, Sobhi, Riyadh, Sayed, Huwaimel, Bader, Zayed, Mohie, Abdellattif, Magda

“…Investigating novel compounds that may be useful in designing new, less toxic, selective, and potent breast anticancer agents is still the main challenge for…”
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Synthesis under microwave irradiation of [1,2,4]triazolo[3,4-b] [1,3,4]thiadiazoles and other diazoles bearing indole moieties and their antimicrobial evaluation by Gomha, Sobhi M, Riyadh, Sayed M

“…Microwave-assisted synthesis of some novel compounds, namely, 3-(2-methyl-1H-indol-3-yl)-6-aryl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazoles 5a,b was accomplished…”
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A Literature Review Focusing on the Antiviral Activity of [1,2,4] and [1,2,3]-triazoles by Farghaly, Thoraya A, Masaret, Ghada S, Riyadh, Sayed M, Harras, Marwa F

“…Out of a variety of heterocycles, triazole scaffolds have been shown to play a significant part in a wide array of biological functions. Many drug compounds…”
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Synthesis of Chitosan-La2O3 Nanocomposite and Its Utility as a Powerful Catalyst in the Synthesis of Pyridines and Pyrazoles by Khalil, Khaled D., Riyadh, Sayed M., Jaremko, Mariusz, Farghaly, Thoraya A., Hagar, Mohamed

“…Recently, the development of nanocatalysts based on naturally occurring polysaccharides has received a lot of attention. Chitosan (CS), as a biodegradable and…”
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Potential COVID-19 Drug Candidates Based on Diazinyl-Thiazol-Imine Moieties: Synthesis and Greener Pastures Biological Study by Abu-Melha, Sraa, Edrees, Mastoura Mohamed, Said, Musa A, Riyadh, Sayed M, Al-Kaff, Nadia S, Gomha, Sobhi M

“…A novel series of 1-aryl- -[4-phenyl-5-(arylazo)thiazol-2-yl)methanimines has been synthesized via the condensation of 2-amino-4-phenyl-5-arylazothiazole with…”
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Bio-Based (Chitosan-ZnO) Nanocomposite: Synthesis, Characterization, and Its Use as Recyclable, Ecofriendly Biocatalyst for Synthesis of Thiazoles Tethered Azo Groups by Bashal, Ali H, Riyadh, Sayed M, Alharbi, Walaa, Alharbi, Khadijah H, Farghaly, Thoraya A, Khalil, Khaled D

“…In recent years, nanotechnology has become a considerable research interest in the area of preparation of nanocatalysts based on naturally occurring…”
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Synthesis and greener pastures biological study of bis-thiadiazoles as potential Covid-19 drug candidates by Said, Musa A., Riyadh, Sayed M., Al-Kaff, Nadia S., Nayl, A.A., Khalil, Khaled D., Bräse, Stefan, Gomha, Sobhi M.

“…A novel series of bis- (Abdelhamid et al., 2017; Banerjee et al., 2018; Bharanidharan et al., 2022)thiadiazoles was synthesized from the reaction of precursor…”
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Chitosan-Strontium Oxide Nanocomposite: Preparation, Characterization, and Catalytic Potency in Thiadiazoles Synthesis by Khalil, Khaled, Riyadh, Sayed, Alkayal, Nazeeha, Bashal, Ali, Alharbi, Khadijah, Alharbi, Walaa

“…Recently, Strontium oxide (SrO) nanoparticles (NPs) and hybrids outperformed older commercial catalysts in terms of catalytic performance. Herein, we present a…”
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Synthesis, DPPH Radical Scavenging, Cytotoxic Activity, and Apoptosis Induction Efficacy of Novel Thiazoles and Bis-thiazoles by Negm, Amr, Al-Faiyz, Yasair S, Riyadh, Sayed M, Sayed, Abdelwahed R

“…Heterocyclic materials-containing thiazoles exhibited incredible importance in pharmaceutical chemistry and drug design due to their extensive biological…”
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Structural Properties and Catalytic Activity of Binary Poly (vinyl alcohol)/Al2O3 Nanocomposite Film for Synthesis of Thiazoles by Sayed M. Riyadh, Khaled D. Khalil, Ali H. Bashal

“…A solution casting technique was applied to prepare a binary poly (vinyl alcohol)/Al2O3 nanocomposite. The structural properties of nanocomposite were…”
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Chitosan-MgO Nanocomposite: One Pot Preparation and Its Utility as an Ecofriendly Biocatalyst in the Synthesis of Thiazoles and [1,3,4]thiadiazoles by Riyadh, Sayed M, Khalil, Khaled D, Aljuhani, Ateyatallah

“…A chitosan-MgO hybrid nanocomposite was prepared using a simple chemical precipitation method and characterized using Fourier transform spectroscopy (FTIR),…”
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Green Synthetic Approaches of 2-Hydrazonothiazol-4(5H)-ones Using Sustainable Barium Oxide-Chitosan Nanocomposite Catalyst by Khalil, Khaled D., Riyadh, Sayed M., Bashal, Ali H., Abolibda, Tariq Z., Gomha, Sobhi M.

“…The diverse applications of metal oxide-biopolymer matrix as a nanocomposite heterogenous catalyst have caused many researches to scrutinize the potential of…”
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Investigation of inhibition efficiencies of Novel bis-oxindole and bis(spiro(triazole-oxindole)) for the corrosion of copper in sulfuric acid medium by Farghaly, Thoraya A., Fawzy, Ahmed, Alsharief, Hatun H., Alqarni, Nada, Al Bahir, Areej, Riyadh, Sayed M., Khalil, Khaled D.

“…The condensation reaction of bis-oxindole with aniline derivatives produced three derivatives of…”
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Synthesis and In Silico Study of Some New bis -[1,3,4]thiadiazolimines and bis -Thiazolimines as Potential Inhibitors for SARS-CoV-2 Main Protease by Gomha, Sobhi M, Riyadh, Sayed M, Abdellattif, Magda H, Abolibda, Tariq Z, Abdel-Aziz, Hassan M, Nayl, AbdElAziz A, Elgohary, Alaa M, Elfiky, Abdo A

“…A novel series of -[1,3,4]thiadiazolimines, and -thiazolimines, with alkyl linker, were synthesized through general routes from cyclization of…”
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Effect of solvent on the regioselective synthesis of spiropyrazoles by Riyadh, Sayed M., Farghaly, Thoraya A.

“…1,3-Dipolarcycloaddition reactions of 6-arylmethylene-6,7,8,9-tetrahydro-5H-benzocyclohepten-5-ones (1) with nitrilimines 3 were investigated in benzene and…”
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Green Route Synthesis and Molecular Docking of Azines Using Cellulose Sulfuric Acid under Microwave Irradiation by Gomha, Sobhi M, Riyadh, Sayed M, Alharbi, Reem A. K, Zaki, Magdi E. A, Abolibda, Tariq Z, Farag, Basant

“…A novel catalytic approach for the synthesis of symmetric and asymmetric azines has been developed. The environmentally benign protocol was achieved via…”
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Synthesis, Biological Evaluation, and Molecular Docking of Novel Azolylhydrazonothiazoles as Potential Anticancer Agents by Al-Humaidi, Jehan Y., Gomha, Sobhi M., Riyadh, Sayed M., Ibrahim, Mohamed S., Zaki, Magdi E. A., Abolibda, Tariq Z., Jefri, Ohoud A., Abouzied, Amr S.

“…A novel set of thiazolylhydrazonothiazoles bearing an indole moiety were synthesized by subjection reactions of carbothioamide derivative and hydrazonoyl…”
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