Synthesis and Antibacterial Activity of 4‐Aryl‐2‐(1‐substituted ethylidene) thiazoles AA Hassan, YR Ibrahim, EM El‐Sheref, M Abdel‐Aziz, S Bräse, M Nieger Archiv der Pharmazie 346 (7), 562-570, 2013 | 35 | 2013 |
Chemical Interactions between 1, 2, 4-Triazole-3-thiols and. PI.-Acceptors. AA Hassan, NK Mohamed, YR Ibrahim, KU Sadek, AFE Mourad Bulletin of the Chemical Society of Japan 66 (9), 2612-2616, 1993 | 30 | 1993 |
Chemical Interactions of Thiosemicarbazides with 1, 4‐Benzo‐and 1, 4‐Naphthoquinones AA Hassan, YR Ibrahim, AA Semida, AFE Mourad Liebigs Annalen der Chemie 1994 (10), 989-992, 1994 | 28 | 1994 |
Indazole, oxathiadiazole, and thiadiazine derivatives from thiosemicarbazides AA Hassan, YR Ibrahim, AM Shawky Journal of Sulfur Chemistry 28 (2), 211-222, 2007 | 20 | 2007 |
Synthesis of [1,2,4]triazolo[3,4‐b][1,3]thiazine‐5‐carboxylates via one‐pot reaction of N‐substituted‐hydrazino‐carbothioamides with diethyl maleate AA Aly, AA Hassan, YR Ibrahim, M Abdel‐Aziz Journal of Heterocyclic Chemistry 46 (4), 687-690, 2009 | 17 | 2009 |
Chemical Interactions between Aminopyrazoles and 2, 3‐Dicyano‐1, 4‐naphthoquinone AA Hassan, NK Mohamed, YR Ibrahim, AFE Mourad Liebigs Annalen der Chemie 1993 (6), 695-697, 1993 | 17 | 1993 |
Synthesis of pyridazine and 1, 3-thiazine derivatives via CT-complexation between thiosemicarbazides and tetracyanoethylene AA Hassan, YR Ibrahim, ESH El-tamany, AA Semida, AFE Mourad Phosphorus, Sulfur, and Silicon and the Related Elements 106 (1-4), 167-172, 1995 | 16 | 1995 |
Reaction of Tetracyanoethylene with Arylazoaminopyrazoles via charge‐transfer complexation AA Hassan, YR Ibrahim, NK Mohamed, AFE Mourad Journal für Praktische Chemie 332 (6), 1049-1053, 1990 | 16 | 1990 |
Synthesis of 1, 3-thiazin-2-ylidene-substituted hydrazides via reaction of N-substituted-hydrazino-carbothioamides with 1, 4-diphenylbut-2-yne-1, 4-dione AA Aly, AA Hassan, YR Ibrahim Journal of Chemical Research 2008 (12), 699-701, 2008 | 14 | 2008 |
Novel synthesis of pyrazolyloxothiazolidine derivatives AA Hassan, YR Ibrahim, EM El‐Sheref, AA Aly, S Braese, AB Brown Journal of Heterocyclic Chemistry 49 (6), 1380-1385, 2012 | 13 | 2012 |
Liebigs Ann. Chem. AA Hassan, YR Ibrahim, NK Mohamed, AE Mourad | 13 | 1991 |
Reactions of dimethyl ethynedicarboxylate with (substituted ethylidene) hydrazinecarbothioamides AA Hassan, YR Ibrahim, AA Aly, EM El‐Sheref, T Yamato Journal of Heterocyclic Chemistry 50 (3), 473-477, 2013 | 12 | 2013 |
Dicyanomethylene compounds and heterocyclization of substituted carbohydrazides AA Hassan, YR Ibrahim, AM Shawky Journal of Heterocyclic Chemistry 46 (4), 616-622, 2009 | 12 | 2009 |
3‐Amino‐4‐arylazopyrazoles: CT Complexation and a Novel Synthesis of Pyrazolo[2,3‐a]quinazolines YR Ibrahim, AA Hassan, NK Mohamed, AFE Mourad Archiv der Pharmazie 325 (7), 389-392, 1992 | 12 | 1992 |
Novel synthesis of oxothiazolidine derivatives AA Hassan, YR Ibrahim, EM El‐Sheref, AB Brown Journal of Heterocyclic Chemistry 49 (5), 1054-1058, 2012 | 11 | 2012 |
Reaction of 4‐substituted thiosemicarbazides with (2,4,7‐trinitro‐9H‐fluoren‐9‐ylidene)propanedinitrile AA Hassan, YR Ibrahim, AM Shawky, D Doepp Journal of heterocyclic chemistry 43 (4), 849-854, 2006 | 11 | 2006 |
Naphthyridines. Part 3: First example of the polyfunctionally substituted 1, 2, 4-triazolo [1, 5-g][1, 6] naphthyridines ring system RA Mekheimer, YR Ibrahim, EA Ahmed, W Frey Tetrahedron 65 (47), 9843-9849, 2009 | 10 | 2009 |
Synthesis of New Pyrazolo[1,5‐a]pyrimidine Derivatives via CT‐Complexation NK Mohamed, YR Ibrahim, AA Hassan, AFE Mourad Archiv der Pharmazie 326 (4), 245-247, 1993 | 10 | 1993 |
A novel synthesis of indanopyrazolopyrimidines by CT‐complexation AA Hassan, YR Ibrahim, NK Mohamed, AFE Mourad Liebigs Annalen der Chemie 1991 (1), 71-72, 1991 | 9 | 1991 |
Synthesis of 2, 2-(1, 4-Phenylene) bis-3, 4-dihydro-2H-1, 3-thiazin-4-ones and their Facile Recyclization to 2, 2-(1, 4-Phenylene) bis (pyrimidin-4-one) and/or 2, 2-(1, 4 … RM Shaker, YR Ibrahim, FF Abdel-Latif, A Hamoda Zeitschrift für Naturforschung B 65 (9), 1148-1154, 2010 | 8 | 2010 |