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Ashraf A. El-Shehawy
Ashraf A. El-Shehawy
Professor of Applied Organic & Polymer Chemistry, Kafrelsheikh University
Подтвержден адрес электронной почты в домене sci.kfs.edu.eg
Название
Процитировано
Процитировано
Год
Enantioselective synthesis of homoallylamines by nucleophilic addition of chirally modified allylboron reagents to imines
S Itsuno, K Watanabe, K Ito, AA El‐Shehawy, AA Sarhan
Angewandte Chemie International Edition in English 36 (1‐2), 109-110, 1997
1171997
Palladium‐Catalyzed Direct C–H Arylation of Thieno[3,4‐b]pyrazines: Synthesis of Advanced Oligomeric and Polymeric Materials
NI Abdo, AA El‐Shehawy, AA El‐Barbary, JS Lee
European Journal of Organic Chemistry 2012 (28), 5540-5551, 2012
512012
Enantioselective synthesis of optically active homoallylamines by nucleophilic addition of chirally modified allylboranes to N-silylimines
S Itsuno, K Watanabe, T Matsumoto, S Kuroda, A Yokoi, A El-Shehawy
Journal of the Chemical Society, Perkin Transactions 1, 2011-2016, 1999
491999
Precise synthesis of novel chain-end-functionalized polystyrenes with a definite number of perfluorooctyl groups and their surface characterization
AA El-Shehawy, H Yokoyama, K Sugiyama, A Hirao
Macromolecules 38 (20), 8285-8299, 2005
402005
Synthesis and characterization of low bandgap π-conjugated copolymers incorporating 4, 7-bis (3, 3′/4, 4′-hexylthiophene-2-yl) benzo [c][2, 1, 3] thiadiazole units for …
NI Abdo, J Ku, AA El-Shehawy, HS Shim, JK Min, A Ahmed, YH Jang, ...
Journal of Materials Chemistry A 1 (35), 10306-10317, 2013
392013
Enantioselective allylation of N-(trimethylsilyl) benzaldehyde imine using polymer-supported chiral allylboron reagents
AA El-Shehawy, MY Abdelaal, K Watanabe, K Ito, S Itsuno
Tetrahedron: Asymmetry 8 (11), 1731-1734, 1997
361997
Enantioselective Synthesis of Chiral Homoallyl Alcohols and Homoallylamines by Nucleophilic Addition of an Allylboron Reagent Modified by a Polymer‐Supported Chiral Ligand
S Itsuno, K Watanabe, AA El‐Shehawy
Advanced Synthesis & Catalysis 343 (1), 89-94, 2001
352001
Alternating Copolymers Based on 2, 1, 3‐Benzothiadiazole and Hexylthiophene: Positioning Effect of Hexyl Chains on the Photophysical and Electrochemical Properties
AA El‐Shehawy, NI Abdo, AA El‐Barbary, JS Lee
European Journal of Organic Chemistry 2011 (25), 4841-4852, 2011
312011
Alkylation of thiohydantoins including synthesis, conformational and configurational studies of some acetylated s-pyranosides
YL Aly, AA El-Barbary, AA El-Shehawy
Phosphorus, Sulfur, and Silicon 179 (1), 185-202, 2004
212004
A selective and direct synthesis of 2-bromo-4-alkylthiophenes: Convenient and straightforward approaches for the synthesis of head-to-tail (HT) and tail-to-tail (TT) dihexyl-2 …
AA El-Shehawy, NI Abdo, A Ahmed, JS Lee
Tetrahedron Letters 51 (34), 4526-4529, 2010
192010
Asymmetric reactions on polymers: diastereoselective allylation of polymer-supported chiral imines
AA El-Shehawy, MY Abdelaal
New Journal of Chemistry 22 (8), 775-777, 1998
181998
Preparation of Both Diastereomers of Homoallylic Amines by Allylmetalation of Methyl N-Benzylidene-(S)-valinate
AA El-Shehawy, MA Omara, K Ito, S Itsuno
Synlett 1998 (04), 367-368, 1998
171998
Application of well-defined chain-end-functionalized polystyrenes with dendritic chiral ephedrine moieties as reagents for highly catalytic enantioselective addition of …
AA El-Shehawy, K Sugiyama, A Hirao
Tetrahedron: Asymmetry 19 (4), 425-434, 2008
162008
Enantioselective diethylzinc addition to the exocyclic CN double bond of some 4-arylideneamino-3-mercapto-6-methyl-4H-1, 2, 4-triazin-5-one derivatives
AA El-Shehawy
Tetrahedron: Asymmetry 17 (18), 2617-2624, 2006
162006
Efficient dual catalytic enantioselective diethylzinc addition to the exocyclic CN double bond of some 1, 2, 4-N-triazinylarylimines using polymer-supported chiral β-amino …
AA El-Shehawy
Tetrahedron 63 (25), 5490-5500, 2007
142007
Enantiopure N-sulfonylamino alcohols and their copolymers as chiral auxiliaries for the highly enantioselective allylboration of aldehydes
S Itsuno, AA El-Shehawy, AA Sarhan
Reactive and Functional Polymers 37 (1-3), 283-287, 1998
141998
Thymoquinone, piperine, and sorafenib combinations attenuate liver and breast cancers progression: epigenetic and molecular docking approaches
AA El-Shehawy, A Elmetwalli, AH El-Far, SAER Mosallam, AF Salama, ...
BMC Complementary Medicine and Therapies 23 (1), 69, 2023
132023
Synthesis of novel well-defined chain-end-functionalized polystyrenes with dendritic chiral ephedrine moieties and their applications as highly enantioselective diethylzinc …
AA El-Shehawy
Tetrahedron 63 (47), 11754-11762, 2007
122007
Synthesis of novel chiral monomers by means of Umani‐Ronchi–Savoia allylation and their polymerization
S Itsuno, AA El‐Shehawy
Polymers for Advanced Technologies 12 (11‐12), 670-679, 2001
112001
Enantioselektive Synthese von Homoallylaminen durch nucleophile Addition von chiralen Allylborreagentien an Imine
S Itsuno, K Watanabe, K Ito, AA El‐Shehawy, AA Sarhan
Angewandte Chemie 109 (1‐2), 105-107, 1997
91997
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Статьи 1–20