Publications by authors named "Sayed Riyadh"

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Insights on Regioselective Synthesis of Fused Thiazoles: Density Functional Theory Calculations, Local Reactivity Indices, and Molecular Electrostatic Potential Analysis.
Ghaferah H Al-Hazmi, Jehan Y Al-Humaidi, Sayed M Riyadh, Mohamed S M Ahmed, Magdi E A Zaki

ChemistryOpen· December 2025

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Novel bis-Thiazolidinone -based chalcones with pyridine linker: Eco-friendly synthesis, cholinesterase and beta-amyloid inhibition potency, and molecular docking studies.
Sobhi M Gomha, Sami A Al-Hussain, Sayed M Riyadh, Basant Farag, Tariq Z Abolibda

Bioorg Chem· December 2025

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Choline hydroxide mediated eco-friendly synthesis of 5-arylidene thiazol-4(5H)-one clubbed coumarin: antimicrobial evaluation and in silico studies.
Muneera S M Al-Saleem, Jehan Y Al-Humaidi, Ahmed A Elhenawy, Sayed M Riyadh, Magdi E A Zaki

Naturwissenschaften· October 2025

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Green Efficient Synthesis of [1,3,4]Thiadiazole-Tethered Alkoxyaryl Hydrazones: Evaluation of Antitumor Activities and Molecular Docking Studies.
Nahlah A Alhadhrami, Sayed M Riyadh, Mohamed S M Ahmed, Zeinab A Abdallah, Thoraya A Farghaly

ACS Omega· August 2025

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Synthesis, Molecular Characterization, and Antimicrobial Evaluation of Hydrazones Derived from 2-Hydrazinobenzimidazole.
Muneera S M Al-Saleem, Mohamed S Mohamed Ahmed, Sayed M Riyadh, Awatif H Alruwaili, Magdi E A Zaki

Drug Des Devel Ther· June 2025

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Synthesis of Bis-thiazoles Tethered 1,4-Dihydropyridine and Pyridine Linkers Simple Oxidation and their Molecular Docking as VEGFR -TK Inhibitors.
Jehan Yahia Al-Humaidi, Sayed Mohamed Riyadh, Basant Farag, Magdi Elsayed Abdelsalam Zaki, Tariq Ziyad Abolibda

Curr Med Chem· May 2025

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A Literature Review Focusing on the Antiviral Activity of [1,2,4] and [1,2,3]-triazoles.
Thoraya A Farghaly, Ghada S Masaret, Sayed M Riyadh, Marwa F Harras

Mini Rev Med Chem· August 2024

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Synthesis, DPPH Radical Scavenging, Cytotoxic Activity, and Apoptosis Induction Efficacy of Novel Thiazoles and Bis-thiazoles.
Amr Negm, Yasair S Al-Faiyz, Sayed M Riyadh, Abdelwahed R Sayed

Curr Org Synth· July 2024

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Eco-synthesis route: Developing bis-hydrazono[1,2,4]-thiadiazoles via a green synthetic approach with calcium oxide-chitosan nanocomposite.
Najla A Alshaye, Sayed M Riyadh, Khaled D Khalil, Nuha S Alharbi, Hoda A Ahmed

Int J Biol Macromol· July 2024

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Synthesis, Biological Evaluation, and Molecular Docking of Novel Azolylhydrazonothiazoles as Potential Anticancer Agents.
Jehan Y Al-Humaidi, Sobhi M Gomha, Sayed M Riyadh, Mohamed S Ibrahim, Magdi E A Zaki

ACS Omega· September 2023

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Green Synthetic Approaches of 2-Hydrazonothiazol-4(5)-ones Using Sustainable Barium Oxide-Chitosan Nanocomposite Catalyst.
Khaled D Khalil, Sayed M Riyadh, Ali H Bashal, Tariq Z Abolibda, Sobhi M Gomha

Polymers (Basel)· September 2023

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Synthesis and greener pastures biological study of bis-thiadiazoles as potential Covid-19 drug candidates.
Musa A Said, Sayed M Riyadh, Nadia S Al-Kaff, A A Nayl, Khaled D Khalil

Arab J Chem· September 2022

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Synthesis and In Silico Study of Some New -[1,3,4]thiadiazolimines and -Thiazolimines as Potential Inhibitors for SARS-CoV-2 Main Protease.
Sobhi M Gomha, Sayed M Riyadh, Magda H Abdellattif, Tariq Z Abolibda, Hassan M Abdel-Aziz

Curr Issues Mol Biol· September 2022

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Synthesis, Molecular Docking Study, and Cytotoxic Activity against MCF Cells of New Thiazole-Thiophene Scaffolds.
Sobhi M Gomha, Sayed M Riyadh, Bader Huwaimel, Mohie E M Zayed, Magda H Abdellattif

Molecules· July 2022

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Chitosan-Strontium Oxide Nanocomposite: Preparation, Characterization, and Catalytic Potency in Thiadiazoles Synthesis.
Khaled D Khalil, Sayed M Riyadh, Nazeeha S Alkayal, Ali H Bashal, Khadijah H Alharbi

Polymers (Basel)· July 2022

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Potential COVID-19 Drug Candidates Based on Diazinyl-Thiazol-Imine Moieties: Synthesis and Greener Pastures Biological Study.
Sraa Abu-Melha, Mastoura Mohamed Edrees, Musa A Said, Sayed M Riyadh, Nadia S Al-Kaff

Molecules· January 2022

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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.
Ali H Bashal, Sayed M Riyadh, Walaa Alharbi, Khadijah H Alharbi, Thoraya A Farghaly

Polymers (Basel)· January 2022

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Synthesis of Chitosan-LaO Nanocomposite and Its Utility as a Powerful Catalyst in the Synthesis of Pyridines and Pyrazoles.
Khaled D Khalil, Sayed M Riyadh, Mariusz Jaremko, Thoraya A Farghaly, Mohamed Hagar

Molecules· June 2021

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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).
Sraa Abu-Melha, Mastoura M Edrees, Sayed M Riyadh, Mohamad R Abdelaziz, Abdo A Elfiky

Molecules· October 2020

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Two decades of the synthesis of mono- and bis-aminomercapto[1,2,4]triazoles.
Sayed M Riyadh, Sobhi M Gomha

RSC Adv· June 2020

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Synthesis, characterization and application of copper oxide chitosan nanocomposite for green regioselective synthesis of [1,2,3]triazoles.
Khaled D Khalil, Sayed M Riyadh, Sobhi M Gomha, Imran Ali

Int J Biol Macromol· June 2019

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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.
Sayed M Riyadh, Khaled D Khalil, Ateyatallah Aljuhani

Nanomaterials (Basel)· November 2018

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Synthesis, Biological Evaluation, and Molecular Docking of Novel Thiazoles and [1,3,4]Thiadiazoles Incorporating Sulfonamide Group as DHFR Inhibitors.
Sayed M Riyadh, Shojaa A El-Motairi, Hany E A Ahmed, Khaled D Khalil, El-Sayed E Habib

Chem Biodivers· September 2018

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Synthesis of New Bis-Spiropyrazoles as Antitumor Agents under Ultrasound Irradiation.
Naglaa A Abdel Hafez, Huwaida M E Hassaneen, Thoraya A Farghaly, Sayed M Riyadh, Heba S A Elzahabi

Mini Rev Med Chem· April 2018

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Crystal structure of a 1,1,2,2-tetra-chloro-ethane-solvated hydrazinecarbo-thio-amide compound.
Sayed Riyadh, David L Hughes, Musa A Said

Acta Crystallogr E Crystallogr Commun· September 2017

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