El Sayed Ramadan

Alexandria University — Egypt

Chemistry · Physical Sciences

15h-index534citations39works0.02yr avg
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Research Topics

Synthesis and Characterization of Heterocyclic Compounds(23), Synthesis and biological activity(19), Microwave-Assisted Synthesis and Applications(14), Multicomponent Synthesis of Heterocycles(10), Click Chemistry and Applications(7)

Publications39 total

Battle tactics against MMP-9; discovery of novel non-hydroxamate MMP-9 inhibitors endowed with PI3K/AKT signaling attenuation and caspase 3/7 activation via Ugi bis-amide synthesis
European Journal of Medicinal Chemistry·2019· 40 citedOpen Access
Synthesis and Antioxidant Activity of Novel 5-amino-2-alkyl/glycosylthio-1,3,4- thiadiazoles: Regioselective Alkylation and Glycosylation of the 5-amino-1,3,4- thiadiazole-2-thiol Scaffold
Current Organic Synthesis·2019· 3 cited
Synthesis and mass spectrometry of some arylidene-hydrazinyl-thiazolines and their 2-arylidene-N-(3-chlorophenyl)hydrazinecarbothioamide precursors
SN Applied Sciences·2019· 4 citedOpen Access
Design, synthesis and biological evaluation of novel α-acyloxy carboxamides via Passerini reaction as caspase 3/7 activators
European Journal of Medicinal Chemistry·2019· 49 cited
Synthesis and antimicrobial screening of novel 1,3-dioxolanes linked to N-5 of 5H-[1,2,4]triazino[5,6-b]indole-3-thiol
Journal of the Serbian Chemical Society·2018· 17 citedOpen Access
Synthesis, characterization, and antitumor activity of some novel S-functionalized benzo[<i>d</i>]thiazole-2-thiol derivatives; regioselective coupling to the –SH group
Zeitschrift für Naturforschung B·2018· 2 cited
Synthesis and antimicrobial evaluation of some heterocyclic compounds from 3-aryl-1-phenyl-1<i>H</i>-pyrazole-4-carbaldehydes
Zeitschrift für Naturforschung B·2018· 14 cited
SYNTHESIS, SPECTRAL CHARACTERIZATION AND ANTIMICROBIAL ACTIVITY OF NOVEL 2-HYDRAZONO-2(3H)-THIAZOLE DERIVATIVES DERIVED FROM 4-(3-CHLOROPHENYL)-3-THIOSEMICARBAZIDE
International Journal of Pharmacy and Pharmaceutical Sciences·2016· 2 citedOpen Access
ChemInform Abstract: Synthesis of Biologically Active [4‐(4‐Bromophenyl)‐2‐thiazolyl]hydrazones and Their D‐Galactose Derivatives.
ChemInform·2010
Synthesis of Biologically Active [4‐(4‐Bromophenyl)‐2‐thiazolyl]hydrazones and their <i>D</i>‐Galactose Derivatives
Chinese Journal of Chemistry·2010· 8 cited
Regio- and Stereoselective Synthesis of Thioglycosides from 4,5-Diphenyl- and 3,4,5-Triphenylimidazole-2-thione
Phosphorus, sulfur, and silicon and the related elements·2009· 6 cited
ChemInform Abstract: Synthesis of 5‐Aryl‐3‐glycosylthio‐4‐phenyl‐4H‐1,2,4‐triazoles and Their Acyclic Analogues under Conventional and Microwave Conditions.
ChemInform·2008
Synthesis of 5‐Aryl‐3‐Glycosylthio‐4‐Phenyl‐4H‐1,2,4‐Triazoles and Their Acyclic Analogs Under Conventional and Microwave Conditions
Journal of Carbohydrate Chemistry·2008· 21 cited
Novel Regioselective Hydroxyl‐Alkylation of 4,5‐Diphenylimidazole‐2‐thione and a Competitive Intramolecular Ring Closure of the S‐Hydroxyalkyl‐imidazoles to Imidazo[2,1‐b]thiazines and Thiazoles. Role of Catalyst, Microwave Irradiation, and Solid Support.
ChemInform·2007
Novel Regioselective Hydroxyl-Alkylation of 4,5-Diphenylimidazole-2-Thione and A Competitive Intramolecular Ring Closure of the S-Hydroxyalkyl-Imidazoles to Imidazo[2,1-<i>b</i>]Thiazines and Thiazoles. Role of Catalyst, Microwave Irradiation, and Solid Support
Nucleosides Nucleotides & Nucleic Acids·2007· 20 cited
Microwave Irradiation of Accelerating Organic Reactions. Part 2. Six‐, Seven‐Membered, Spiro, and Fused Heterocycles
ChemInform·2006
MAOS versus conventional synthesis of 4,5-di- and 3,4,5-triphenylimidazole-2-thione and their derivatives
ARKIVOC·2006· 8 citedOpen Access
Microwave Irradiation for Accelerating Organic Reactions – Part II: Six-, Seven-Membered, Spiro, and Fused Heterocycles
Advances in heterocyclic chemistry·2006· 28 cited
Microwave‐Assisted Synthesis of Quinoline Derivatives from Isatin.
ChemInform·2005
Microwave Irradiation for Enhancing the Regioselective Synthesis of 6H‐Indolo[2,3‐b]quinoxalines.
ChemInform·2005
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Frequent Co-authors

El Sayed H. El Ashry(26), Nagwa Rashed(14), Mohamed Hagar(11), Hamida Abdel Hamid(10), Hamida Abdel‐Hamid(8), Laila F. Awad(6), S. M. Abdel‐Maggeed(6), Ahmed Alaa Kassem(4), Nadjet Rezki(4), El Sayed H. El‐Ashry(3), Mohamed Hamed N. Taha(2), Mohammed Salah Ayoup(2), Mohamed Teleb(2), Marwa M. Abu‐Serie(2), Ahmed Noby(2), Nagat Rezki(2), Ahmed Mousaad(2), Yasmin Wahby(1), Manar Ahmed Fouad(1), Aly Mousaad Aly(1)