Synthesis of biologically active steroid derivatives by the utility of Lawesson's reagent NR Mohamed, GA Elmegeed, HA Abd-ElMalek, M Younis Steroids 70 (3), 131-136, 2005 | 54 | 2005 |
Scope and limitation of the reactions of 3-imino derivatives of pentane-2, 4-diones with organophosphorus reagents LS Boulos, HA Abdel-Malek, NF El-Sayed, ME Moharam Phosphorus, Sulfur, and Silicon and the Related Elements 187 (6), 697-710, 2012 | 16 | 2012 |
Reactions of 1, 1′-(Azodicarbonyl) Dipiperidine with Organophosphorus Reagents LS Boulos, HA Abdel-Malek, NF El-Sayed, ME Moharam Phosphorus, Sulfur, and Silicon and the Related Elements 187 (2), 225-237, 2012 | 14 | 2012 |
The reaction of Wittig and Wittig–Horner reagents with dicyanomethylene derivatives of fluorenone, xanthone, and thiaxanthone. A novel synthesis of … LSBHA Abdel-Malek Heteroatom Chemistry 10, 263-269, 1999 | 12* | 1999 |
Reaction of 1-(diphenylmethylene)-2 (1H)-and 4-(diphenylmethylene)-1 (4H)-naphthalenones with thiol phosphoric acids, Lawesson reagent and phosphorus pentasulphide AA El-Kateb, IT Hennawy, R Shabana, HA Abdel-Malek Phosphorus, Sulfur, and Silicon and the Related Elements 63 (1-2), 13-17, 1991 | 11 | 1991 |
Reaction of 2-Thioxo-4-Thiazolidinones Toward Lawesson's Reagent, Phosphorus Pentasulfide, Dialkylaminophosphines, and Phosphorus Ylides HA Abdel-Malek Phosphorus, Sulfur, and Silicon and the Related Elements 187 (4), 506-514, 2012 | 10 | 2012 |
Synthesis of Novel Benzosuberone Derivatives using Organophosphorus Reagents and their Antitumor Activities LS Boulos, HA Abdel-Malek, NF El-Sayed Zeitschrift fuer Naturforsch B. 67 (b), 243-252, 2012 | 10 | 2012 |
Action of Lawesson's reagent on substituted 2‐amino‐1, 4‐naphthoquinones: Novel synthesis of benzodiphenoquinone‐bis‐1, 3, 2‐thiazaphospholine‐2‐sulfide derivatives LS Boulos, HA Abd‐El‐Malek Heteroatom Chemistry: An International Journal of Main Group Elements 10 (6 …, 1999 | 10 | 1999 |
Chemistry of Phosphorus Ylides, Part 30. Reaction of Camphorquinone Derivatives with Active Phosphacumulenes and Stabilized Phosphonium Ylides SS Maigali, HA Abdel-Malek, FM Soliman Egyptian Journal of Chemistry 53 (2), 315-327, 2010 | 9 | 2010 |
Studies on phosphonium ylides-xxii. The behavior of 3, 4-diphenyl-5-cyanopyridazine-6-thione toward phosphorus ylides. New synthesis of furopyridazine derivatives LS Boulos, HA Abdel-Malek Phosphorus, Sulfur, and Silicon 179 (1), 97-105, 2004 | 9 | 2004 |
REACTION OF WITTIG REAGENTS AND PHOSPHACUMULENES WITH 1-(DIPHENYLMETHYLENE)-2 (1 H)-AND 4-(DIPHENYLMETHYLENE)-1 (4 H)-NAPHTHALENONES AA El-Kateb, LS Boulos, LT Hennawy, HA Abdel-Malek Phosphorus, Sulfur, and Silicon and the Related Elements 60 (3-4), 275-279, 1991 | 9 | 1991 |
Reaction of 1-(diphenylmethylene)-2 (1H)-and 4-(diphenylmethylene)-1 (4H)-naphthalenones with tris (dialkylamino) phosphines and ethyldiphenylphosphinite AA El-kateb, LS Boulos, HA Abdel-malek Phosphorus, Sulfur, and Silicon and the Related Elements 83 (1-4), 105-110, 1993 | 8 | 1993 |
Comparative studies of phosphonium and phosphonate carbanion reagents in reactions with fluorenone HA Abdel-Malek Egyptian Journal of Chemistry 48 (1), 129-134, 2005 | 7 | 2005 |
Phase-Transfer Catalysis in Organic Syntheses HA Abdel-Malek, EF Ewies Global Journal of Current Research Vol 3 (1), 1-21, 2014 | 6 | 2014 |
Reaction of some Wittig reagents with glyoxylanilide-2-oxime and diacetylmonoxime AA El-Kateb, HA Abdel-Malek Phosphorus, Sulfur, and Silicon and the Related Elements 112 (1-4), 41-45, 1996 | 6 | 1996 |
The reaction of vicinal triketones with cumulative phosphorus ylides. Synthesis of phosphoranylidenecyclobutanes FM Soliman, AA El‐Kateb, IT Hennawy, HA Abdel‐Malek Heteroatom Chemistry 5 (2), 121-124, 1994 | 6 | 1994 |
State of The Art on Chemistry and Applications of Organoarsenic Compounds HA Abdel-Malek, EF Ewies American Journal of Research Communication 1 (12), 268 - 325, 2013 | 5 | 2013 |
The behaviour of Lawesson's reagent and dialkylaminophosphines towards dicyanomethylene derivatives of xanthone and fluorenone HA ABDEL-MALEK Heterocyclic Communications 9 (5), 457-464, 2003 | 4 | 2003 |
PHOSPHONIUM YLIDS-VII. SYNTHESIS OF A NEW TYPE OF YLID PHOSPHORANE BY THE ACTION OF WITTIG REAGENTS ON (E)-2-BENZYLIDENEOXAZOLIDINE-4,5-DIONE ITHHAAEM M. M. Sidky , M. R. Mahran , A. A. El-kateb Phosphorus and Sulfur and the Related Elements 29, 227-231, 1987 | 4 | 1987 |
Reactions of 5-Bromo-4, 6-Dimethyl-2-Thioxo-1, 2-Dihydropyridine-3-Carbonitrile with Organophosphorus Reagents HA Abdel–Malek, MS Salem, LS Boulos Life Science Journal 9 (1), 2012 | 2 | 2012 |