Synthesis of Some New β‐Lactams, 4‐Thiazolidinones, and Pyrazolines. AM Fahmy, KM Hassan, AA Khalaf, RA Ahmed ChemInform 20 (2), no-no, 1989 | 52 | 1989 |
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 | 35 | 2008 |
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 | 25 | 2002 |
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 | 17 | 2007 |
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 | 16 | 2001 |
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 | 13 | 2013 |
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 | 13 | 2009 |
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 | 11 | 2011 |
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 | 10 | 1993 |
Recent Trends in the Chemistry of Heterocyclic Sulfides, 1990–2000 MSK Youssef, RA Ahmed Phosphorus, Sulfur, and Silicon 181 (5), 1123-1199, 2006 | 9 | 2006 |
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 | 7 | 2002 |
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 | 6 | 2006 |
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 | 6 | 1991 |
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 | 4 | 1993 |
Phosphorus, Sulfur Silicon Rel MSK Youssef, RA Ahmed Elem 181, 1123, 2006 | 3 | 2006 |
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 | 2 | 2006 |
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 | 1 | 1993 |
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 |