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Ahmed Al‐Sheikh

Observed names: A ALSHEIKH, Ahmad Al-Sheikh, Ahmed Al Sheikh, Ahmed Al-Sheikh, Ahmed Al-sheikh, Ahmed Alshaikh, Al-Sheikh, Ahmed
Institution: Petra University
ORCID: 0000-0002-5310-7923
Observed ORCID: 0000-0002-5310-7923
OpenAlex ID: A5086689710
2,3-Dihydroimidazol-2-ylidenes and their main group element chemistry
2004 · N KUHN, A ALSHEIKH · Coordination Chemistry Reviews · 251
Novel Derivatives of 1,3-Dimethyl-5-methylenebarbituric Acid
2009 · Kamal Sweidan, Qutaiba Abu-Salem, et al. · Letters in Organic Chemistry · 18
Zur Strukturchemie von 2-Methylenimidazolinen [1]
2005 · Norbert Kuhn, Ahmed Abu-Rayyan, et al. · Zeitschrift für Naturforschung B · 17
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Synthesis and biological evaluation of novel 2-morpholino-4-anilinoquinoline derivatives as antitumor agents against HepG2 cell line
2024 · Ahmed Al-Sheikh, Malak A. Jaber, et al. · RSC Advances · 8
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Wasserstoffbrückenbindungen mit Cyanidionen? Die Strukturen von 1,3‐Diisopropyl‐4,5‐dimethylimidazoliumcyanid und 1‐Isopropyl‐3,4,5‐trimethylimidazoliumcyanid
2006 · Norbert Kuhn, Klaus Eichele, et al. · Zeitschrift für anorganische und allgemeine Chemie · 8
Zwitterionische Imidazolium- und Phosphonium-Derivate der Methylenmeldrumsäure [1,2] / Zwitterionic Imidazolium and Phosphonium Derivatives of Methylene-Meldrum’s Acid [1,2]
2005 · Norbert Kuhn, Ahmad Al-Sheikh, et al. · Zeitschrift für Naturforschung B · 6
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Zur Reaktion der Meldrumsäure mit Schwefeldichlorid ‐ Synthese und Eigenschaften eines ungewöhnlichen 1,3‐Dithietans [1]
2004 · Norbert Kuhn, Ahmed Al‐Sheikh, et al. · Zeitschrift für anorganische und allgemeine Chemie · 6
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Synthese und Struktur von Meldrums Olefin/Synthesis and Structure of Meldrum’s Olefin
2004 · Norbert Kuhn, Ahmed Al-Sheikh, et al. · Zeitschrift für Naturforschung B · 5
Zur Reaktion von 2,3-Dihydro-1,3-diisopropy1-4,5-imidazol-2-yliden mit Bromderivaten der Meldrumsäure [1, 2] / On the Reaction of 2,3-Dihydro-1,3-diisopropy1-4,5-dimethylimidazol-2-ylidene with Bromine Derivatives of Meldrum’s Acid [1, 2]
2004 · Norbert Kuhn, Ahmed Al-Sheikh, et al. · Zeitschrift für Naturforschung B · 5
Synthesis and Structure of 1-{2,2-Dimethyl-4,6-dioxo-5-(1-pyridinio)-1,3- dioxan-5-yl}pyridinium Ylide: A New Route to Meldrum’s Acid Derivatives
2003 · Norbert Kuhn, Ahmed Al-Sheikh, et al. · Zeitschrift für Naturforschung B · 5
Probiotics, Psychobiotics, Paraprobiotics, and Postbiotics in Gut-Brain Axis Modulation: Multi-Omics and AI-Driven Precision Nutrition for Cognitive Health
2025 · Ibrahim S. I. Al-Adham, Ahmed S. A. Ali Agha, et al. · Probiotics and Antimicrobial Proteins · 4
Crystal structure of 1,3-diisopropyl-4,5-dimethylimidazolium oxalic acid monomethyl ester, C14H24N2O4
2013 · Wael Abu Dayyih, Eyad Mallah, et al. · Zeitschrift für Kristallographie - New Crystal Structures · 4
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Elimination of a Thiomethyl Substituent from an Anionic 5-Methylenebarbituric Acid Derivative by Oxidation and Substitution
2009 · Ahmad Al-Sheikh, Kamal Sweidan, et al. · Zeitschrift für Naturforschung B · 4
Synthesis and Reactions of 5-[Amino(thiomethyl)methylene]- 2,2-dimethyl-1,3-dioxane-4,6-dione
2009 · Ahmad Al-Sheikh, Kamal Sweidan, et al. · Zeitschrift für Naturforschung B · 4
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Synthesis, Structure and Reactions of 1,3-Dimethyl-5-bis(thiomethyl)methylenebarbituric Acid
2009 · Kamal Sweidan, Ahmed Abu-Rayyan, et al. · Zeitschrift für Naturforschung B · 4
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Synthesis of Phosphorus, Arsenic and Antimony Ylides Containing the 1,3- Dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione Fragments
2008 · Kamal Sweidan, Ahmed Al-Sheikh, et al. · Letters in Organic Chemistry · 4
Novel Zwitterionic Sulfides, Selenides and Tellurides
2003 · Norbert Kuhn, Ahmed Al‐Sheikh, et al. · Zeitschrift für anorganische und allgemeine Chemie · 4
Synthesis and Crystal Structure of Triethylammonium 5-[(2,2-Dimethyl- 4,6-dioxo-1,3-dioxan-5-ylidene)(methylthio) methyl]-1,3-dimethylpyrimidine- 2,4,6-trionate
2008 · Ahmad Al-Sheikh, Kamal Sweidan, et al. · Zeitschrift für Naturforschung B · 3
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Synthesis and Structure of a Zwitterionic Imidazolium 1,3-Dioxanide
2003 · Norbert Kuhn, Ahmed Al Sheikh, et al. · Zeitschrift für Naturforschung B · 3
Crystal structure of 5-[bis(methylsulfonyl)methyl]-1,3-dimethyl-5-(methylsulfonyl)pyrimidine-2,4,6(1H,3H,5H)-trione
2014 · Eyad Mallah, Ahmed Al-Sheikh, et al. · Acta Crystallographica Section E Crystallographic Communications · 2
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Synthesis of Novel Derivatives of pyrano[2,3-d]pyrimidinevia Intramolecular Cyclocondensation Reaction Under Acidic and Basic Conditions
2012 · Ahmed Al-Sheikh, Kamal Sweidan, et al. · Letters in Organic Chemistry · 2
A New Route to Arsonium, Stibonium, and Bismuthonium 2, 2‐Dimethyl‐4, 6‐dioxo‐1, 3‐dioxanides — The Crystal Structures of Ph3E‐C6H6O4 (E = As, Sb, Bi) [1]
2003 · Norbert Kuhn, Ahmed Al Sheikh, et al. · Zeitschrift für anorganische und allgemeine Chemie · 2
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2-Amino-1,3-dimethylimidazolium 2,2-Dimethyl-4,6-dioxo-1,3-dioxanide. First Structural Characterisation of the Anion of Meldrum’s Acid [1]
2003 · Norbert Kuhn, Ahmed Al-Sheikh, et al. · Zeitschrift für Naturforschung B · 2
Synthesis and Structure of 1,3-Diisopropyl-4,5-dimethylimidazolium N,N'-Diphenylureate
2002 · Norbert Kuhn, Ahmed Al-Sheikh, et al. · Zeitschrift für Naturforschung B · 2
Design, synthesis, and biological evaluation of KA7, a novel quinolone-based sorafenib analogue with potent anticancer and immunomodulatory activities
2025 · Duaa abuarqoub, Ahmed Alshaikh, et al. · RSC Advances · 1
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Works count: 43
Citation count: 375
H-index: 6
I10-index: 3
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