R
Ragaa A. Ahmed
Researcher at Assiut University
Publications - 29
Citations - 148
Ragaa A. Ahmed is an academic researcher from Assiut University. The author has contributed to research in topics: Pyridine & Pyrazoline. The author has an hindex of 7, co-authored 27 publications receiving 126 citations.
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Journal ArticleDOI
Reactions of 4-(2-aminothiazole-4-yl)-3-methyl-5-oxo-1-phenyl-2-pyrazoline. Synthesis of thiazolo[3,2- a ]pyrimidine and imidazo[2,1- b ]thiazole derivatives
Mohamed Salah K. Youssef,Ragaa A. Ahmed,Mohamed S. Abbady,Shawkat A. Abdel-Mohsen,Ahmed A. Omar +4 more
TL;DR: In this paper, 4-(2-Aminothiazol-4-yl)-3-methyl-5-oxo-1-phenyl-2-pyrazoline was synthesized via the reaction of 4-bromoacetyl-3-methylaminoacetyl, 3-methyl, 5-oxosmioxioxioxoxo, 1-phenyl, 2 pyrazoline with thiourea and was transformed to related fused heterocyclic systems.
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Dietary curcumin nanoparticles promoted the performance, antioxidant activity, and humoral immunity, and modulated the hepatic and intestinal histology of Nile tilapia fingerlings
Mohsen Abdel-Tawwab,E. H. Eissa,W. A. Tawfik,heba Abd Elnabi,Saadea Saadony,Walaa K. Bazina,Ragaa A. Ahmed +6 more
TL;DR: In this article , the effects of dietary curcumin nanoparticles (C-NPs) on the performance, hemato-biochemical profile, digestive enzymes activities, antioxidant status, humoral immunity, and liver and intestinal histology of Nile tilapia ( Oreochromis niloticus ).
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Selenium containing Heterocycles: Part 1. Synthesis of Some New Substituted Pyrido[3′,2′:4,5]selenolo[3,2-d]pyrimidines and Related Fused Tetracyclic Systems:
TL;DR: In this article, a series of selenolo[2,3-blpyridine, pyrido[3',2':4,5]selenolo[3,2-d]pyrimidine, 7,8-dihydro-2,4-dimethylpyrrolo [1, 2-a]pyridin-10(6H)-one and 7,9-dimmethylpyrido
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New heterocyclo-substituted pyrazolo[3,4-b]pyridine derivatives
TL;DR: In this article, the authors used 3-amino-4,6-diphenyl-1 H -pyrazolo[3,4- b ]pyridine (II ) as starting material to synthesize many heterocyclic compounds containing pyrazolopyridine moiety.
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Synthesis and reactions of 2‐amino‐6‐(3‐methyl‐5‐oxo‐1‐phenyl‐2‐pyrazolin‐4‐yl)‐4‐phenylpyridine‐3‐carbonitrile
TL;DR: In this paper, the reaction of 4-(1-iminoethyl)-3-methyl-1-phenyl-2-pyrazolin-5-one with benzylidenemalononitrile, was reacted with triethyl orthoformate followed by hydrazine hydrate, acetic anhydride, acetyl chloride, alkyl halides, benzoyl chloride, sulphuric acid followed by formamide, phenyl isothiocyanate, carbon disulphide followed by ethyl iodide, formamide and trichlor