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Ragaa A. Ahmed
Ragaa A. Ahmed
Professor, Department of Chemistry , Faculty of Science, ِِAssiut University
Verified email at aun.edu.eg - Homepage
Title
Cited by
Cited by
Year
Synthesis of Some New β‐Lactams, 4‐Thiazolidinones, and Pyrazolines.
AM Fahmy, KM Hassan, AA Khalaf, RA Ahmed
ChemInform 20 (2), no-no, 1989
521989
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
MSK Youssef, RA Ahmed, MS Abbady, SA Abdel-Mohsen, AA Omar
Monatshefte für Chemie-Chemical Monthly 139, 553-559, 2008
352008
Synthesis and reactions of 2‐amino‐6‐(3‐methyl‐5‐oxo‐1‐phenyl‐2‐pyrazolin‐4‐yl)‐4‐phenylpyridine‐3‐carbonitrile
RA Ahmed, MM Kandeel, MS Abbady, MSK Youssef
Journal of heterocyclic chemistry 39 (2), 309-314, 2002
252002
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
SH Abdel-Hafez, RA Ahmed, MA Abdel-Azim, KM Hassan
Journal of Chemical Research 2007 (10), 580-584, 2007
172007
Synthesis of Some New Spiro, Isolated and Fused Heterocycles Based on 1H‐indole‐2‐One
TI El‐Emary, RA Ahmed, EA Bakhite
Journal of the Chinese Chemical Society 48 (5), 921-927, 2001
162001
Synthesis of Some New Heterocycles Derived from Ethyl 7‐Amino‐3‐(3‐methyl‐5‐oxo‐1‐phenyl‐2‐pyrazolin‐4‐yl)‐5‐aryl‐5H‐thiazolo[3,2‐a]pyrimidine‐6 …
MSK Youssef, MS Abbady, RA Ahmed, AA Omar
Journal of Heterocyclic Chemistry 50 (2), 179-187, 2013
132013
Selenium-containing heterocycles: Part 2. Reactions of 3-amino-4,6-dimethyl-selenolo[2,3-b]pyridine-2-carbonitrile and related fused tetracyclic systems
SH Abdel-Hafez, RA Ahmed, MA Abdel-Azim, KM Hassan
Journal of Chemical Research 2009 (1), 56-59, 2009
132009
Preparation and Reactions of 2‐Methyl‐7‐(3‐methyl‐5‐oxo‐1‐phenyl‐2‐pyrazolin‐4‐yl)‐5‐arylthiazolo[3,2‐a]‐pyrimido[4,5‐d]oxazin‐4(5H)‐one
MSK Youssef, MS Abbady, RA Ahmed, AA Omar
Chinese Journal of Chemistry 29 (7), 1473-1482, 2011
112011
New heterocyclo-substituted pyrazolo [3, 4-b] pyridine derivatives
AA Abdel Hafez, I Awad, RA Ahmed
Collection of Czechoslovak chemical communications 58 (5), 1198-1202, 1993
101993
Recent Trends in the Chemistry of Heterocyclic Sulfides, 1990–2000
MSK Youssef, RA Ahmed
Phosphorus, Sulfur, and Silicon 181 (5), 1123-1199, 2006
92006
Synthesis of Fused Heterocyclic Ring Systems Related to 6‐Amino‐1, 4‐dihydro‐3‐methyl‐1‐phenyl‐4‐thioxothiopyrano [4, 3‐c] pyrazole‐7‐carbonitrile.
MM Kandeel, RA Ahmed, MSK Youssef
ChemInform 33 (41), 140-140, 2002
72002
Condensed thioxocyclopentapyridine (isoquinoline)-1, 2, 4-azines
KM Hassan, RA Ahmed, SH Abdel-Hafez, MA Abdel-Azim
Phosphorus, Sulfur, and Silicon and the Related Elements 181 (3), 481-496, 2006
62006
Synthesis of diarylsulphides and diarylsulphones containing pyrazoline, isoxazoline, pyrimidine and condensed pyridazine moieties
SM Radwan, MS Abbady, RA Ahmed
Phosphorus, Sulfur, and Silicon and the Related Elements 63 (3-4), 363-372, 1991
61991
Synthesis of Azo‐Sulfa Drugs Based on 2‐Pyridinone and 2‐Pyridinethione
AA Abdel Hafez, IMA Awad, RA Ahmed
Journal of the Chinese Chemical Society 40 (3), 289-296, 1993
41993
Phosphorus, Sulfur Silicon Rel
MSK Youssef, RA Ahmed
Elem 181, 1123, 2006
32006
Synthesis 01 Heterocycles Derivedlrom 4-¿ 4mino-2-(3-meth)'l-5-o)(ol-phenyl-2-p)'razolin4-yl)-6-P henylpyrimidine-5-carbonitrile with Anticipated Biological Activity
MSK Youssef, RA Ahmed
Afinidad: Revista de química teórica y aplicada 63 (524), 315-320, 2006
22006
Synthesis and some reactions of thieno [2, 3-d] pyrimidines and S-substituted mercaptopyridines
AA Abdel Hafez, RA Ahmed, AA Geies, HS El-Kashef
Collection of Czechoslovak chemical communications 58 (8), 1931-1936, 1993
11993
Synthesis of Fused Heterocyclic Ring Systems Related to 6-Amino-1, 4-dihydro-3-methyl-1-phenyl-4-thioxothiopyrano-[4, 3-c] pyrazole-7-carbonitrile
MK Maymona, AA Ragaa, SKY Mohamed
Heterocycles: an international journal for reviews and communications in …, 2002
2002
Studies on yield of wheat varieties and breed lines under rainfed conditions and their seedlings drought tolerance (in Iraq)
AK Fakhary, AS Khalaf, RA Ahmed
1984
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Articles 1–19