A
Ahmed S. Abdel-Razek
Researcher at Bielefeld University
Publications - 22
Citations - 339
Ahmed S. Abdel-Razek is an academic researcher from Bielefeld University. The author has contributed to research in topics: Antimicrobial & Chemistry. The author has an hindex of 9, co-authored 20 publications receiving 174 citations.
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Journal ArticleDOI
Microbial Natural Products in Drug Discovery
TL;DR: A short history of microbial drug discovery is introduced as well as certain features and recent research approaches, specifying the microbial origin, their featured molecules, and the diversity of the producing species.
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Bioactive secondary metabolites from new endophytic fungus Curvularia. sp isolated from Rauwolfia macrophylla
Fatma Kaaniche,Fatma Kaaniche,Abdelaaty Hamed,Abdelaaty Hamed,Ahmed S. Abdel-Razek,Daniel Wibberg,Negera Abdissa,Imene Zendah El Euch,Noureddine Allouche,Lotfi Mellouli,Mohamed Shaaban,Nobert Sewald +11 more
TL;DR: A new endophytic fungus was isolated from Rauwolfia macrophylla, a medicinal plant from Cameroon and showed a highest homology to Curvularia sp.
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Meleagrin from marine fungus Emericella dentata Nq45: crystal structure and diverse biological activity studies.
Abdelaaty Hamed,Abdelaaty Hamed,Ahmed S. Abdel-Razek,Mariam Araby,Mariam Araby,Mohammed Abu-Elghait,Doaa G. El-Hosari,Marcel Frese,Hesham S. M. Soliman,Hans-Georg Stammler,Norbert Sewald,Mohamed Shaaban +11 more
TL;DR: Diverse biological activity of meleagrin (1) was investigated and compound 1 pronounced potent cytotoxicity against the human cervix carcinoma cell line KB-3-1 and its multidrug resistant sub-clone KB-V1 of IC50 3.
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One pot synthesis, antimicrobial and antioxidant activities of fused uracils: pyrimidodiazepines, lumazines, triazolouracil and xanthines
TL;DR: A series of novel pyrimido[4,5-b][1, 4]diazepines, lumazines, triazolo-, and imidazolopyrimidines were synthesized from the starting compound 4, 5-diaminouracils and they showed either weak or moderate activities in vitro.
Journal ArticleDOI
Terretonin N: A New Meroterpenoid from Nocardiopsis sp.
Abdelaaty Hamed,Ahmed S. Abdel-Razek,Marcel Frese,Hans-Georg Stammler,Atef F. El-Haddad,Tarek M. A. Ibrahim,Norbert Sewald,Mohamed Shaaban +7 more
TL;DR: Terretonin N (1), a new highly oxygenated and unique tetracyclic 6-hydroxymeroterpenoid, was isolated together with seven known compounds from the ethyl acetate extract of a solid-state fermented culture of Nocardiopsis sp.