Ashraf Ghanem

PhD

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20012019
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Research Output 2001 2019

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2019

Chirobiotic V Versus Chiralpak ID for the Enantioselective Chromatographic Separation of Chloroquine: Stability and Validation Study

Aburachid Cardoso, P., Beltrao Pereira, D., Farrag El-behairy, M., GHANEM, A., Pianetti, G. A. & Costa Cesar, I., May 2019, In : Journal of Chromatographic Science. 57, 5, p. 443-450 8 p.

Research output: Contribution to journalArticle

Validation Studies
Chloroquine
Enantiomers
Pharmacodynamics
Degradation
1 Citation (Scopus)
24 Downloads (Pure)

Colistin Sulfate Chiral Stationary Phase for the Enantioselective Separation of Pharmaceuticals Using Organic Polymer Monolithic Capillary Chromatography

Fouad, A., Shaykoon, M. S. A., Ibrahim, S. M., El-Adl, S. M. & GHANEM, A., 2019, In : Molecules. 24, 5, p. 833 15 p., 833.

Research output: Contribution to journalArticle

Open Access
File
Colistin
Organic polymers
chromatography
Chromatography
sulfates
2 Downloads (Pure)

On the enantioselective HPLC separation ability of sub-2 µm columns: Chiralpak ® Ig-U and Id-U

Ibrahim, D. & Ghanem, A., 2 Apr 2019, In : Molecules. 24, 7, p. 1-11 11 p., 1287.

Research output: Contribution to journalArticle

Open Access
File
Amylose
Chlorine
High Pressure Liquid Chromatography
Particle Size
Particle size
2018
2 Citations (Scopus)
2 Downloads (Pure)

Chiral dirhodium(II) carboxylates: New insights into the effect of ligand stereo-purity on catalyst structure and enantioselectivity

Adly, F. G., Bollard, H., Gardiner, M. G. & Ghanem, A., 1 Jul 2018, In : Catalysts. 8, 7, 15 p., 268.

Research output: Contribution to journalArticle

Open Access
File
Enantioselectivity
carboxylates
purity
Ligands
catalysts
13 Citations (Scopus)
2 Downloads (Pure)
Open Access
File
Amylose
High performance liquid chromatography
Reverse-Phase Chromatography
High Pressure Liquid Chromatography
Adrenergic alpha-2 Receptor Agonists
2017
7 Citations (Scopus)

Functionalized polymer monoliths with carbamylated amylose for the enantioselective reversed phase nano-liquid chromatographic separation of a set of racemic pharmaceuticals

Fouad, A., Marzouk, A. A., Ibrahim, S. M., El-Adl, S. M. & Ghanem, A., 15 Sep 2017, In : Journal of Chromatography A. 1515, p. 91-99 9 p.

Research output: Contribution to journalArticle

Amylose
Polymers
Liquids
Pharmaceutical Preparations
Dopamine Uptake Inhibitors
11 Citations (Scopus)

Trimethyl-β-cyclodextrin-encapsulated monolithic capillary columns: Preparation, characterization and chiral nano-LC application

Ghanem, A., Adly, F. G., Sokerik, Y., Antwi, N. Y., Shenashen, M. A. & El-Safty, S. A., 1 Jul 2017, In : Talanta. 169, p. 239-248 10 p.

Research output: Contribution to journalArticle

Liquid chromatography
Cyclodextrins
Polymers
1-Propanol
Fused silica
2016
39 Citations (Scopus)

Design and Synthesis of Novel Chiral Dirhodium(II) Carboxylate Complexes for Asymmetric Cyclopropanation Reactions

Adly, F. G., Gardiner, M. & Ghanem, A., 2016, In : Chemistry - A European Journal. 22, 10, p. 3447-3461 15 p.

Research output: Contribution to journalArticle

Ligands
Stereoselectivity
Amino Acids
X rays
Catalysts
8 Citations (Scopus)

Polymer monolith-supported dirhodium(II)-catalyzed continuous flow cyclopropanation in capillary format

Adly, F. G. & Ghanem, A., 24 Feb 2016, In : Tetrahedron Letters. 57, 8, p. 852-857 6 p.

Research output: Contribution to journalArticle

Miniaturization
Catalyst supports
Leaching
Polymers
Catalysts
2015
28 Citations (Scopus)

Immobilized β-cyclodextrin-based silica vs polymer monoliths for chiral nano liquid chromatographic separation of racemates

GHANEM, A., Ahmed, M., Ishii, H. & Ikegami, T., 15 Jan 2015, In : Talanta. 132, p. 301-314 14 p.

Research output: Contribution to journalArticle

Cyclodextrins
Silicon Dioxide
Polymers
Methacrylates
Liquids
2014
27 Citations (Scopus)
Methacrylates
Cyclodextrins
Polymers
Celiprolol
Monomers
12 Citations (Scopus)
Amylose
High performance liquid chromatography
Drug products
Silica Gel
High Pressure Liquid Chromatography
15 Citations (Scopus)
Lipases
Lipase
Drug products
Polymers
1-Propanol
10 Citations (Scopus)

Rh2(S-1,2-NTTL)4: A Novel Rh2(S-PTTL)4 Analog With Lower Ligand Symmetry for Asymmetric Synthesis of Chiral Cyclopropylphosphonates

Gouany, F. & GHANEM, A., 2014, In : Chirality. 26, 11, p. 764-774 11 p.

Research output: Contribution to journalArticle

Organophosphonates
Enantioselectivity
Amino acids
Ligands
Derivatives
33 Citations (Scopus)

Single-walled carbon nanotube-based polymer monoliths for the enantioselective nano-liquid chromatographic separation of racemic pharmaceuticals

Ahmed, M., Aghili Yajadda, M., Han, Z., Su, D., Wang, G., Ostrikov, K. & GHANEM, A., 2014, In : Journal of Chromatography A. 1360, p. 100-109 10 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Single-walled carbon nanotubes (SWCN)
Polymers
Liquids
1-Propanol
2013

Social Responsibility: An academic Imperative

GHANEM, A., 2013, In : Chemistry in Australia. May, 1, p. 24-25 2 p.

Research output: Contribution to journalArticle

2012
49 Citations (Scopus)
Kinetics
Chirality
Growth
Bioactivity
Sales
15 Citations (Scopus)

Chiral Dirhodium Catalysts: A New Era for Asymmetric Catalysis

El-Deftar, M., Gouany, F., Gardiner, M. & Ghanem, A., 2012, In : Current Organic Chemistry. 16, 15, p. 1808-1836 29 p.

Research output: Contribution to journalArticle

2011
14 Citations (Scopus)

New Silica Monolith Bonded Chiral (R)-γ Butyrolactone for Enantioselective Micro High-Performance Liquid Chromatography

Ghanem, A., Ikegami, T. & Tanaka, N., 2011, In : Chirality. 23, 10, p. 887-890 4 p.

Research output: Contribution to journalArticle

High performance liquid chromatography
Molecular mass
Brushes
Silicon Dioxide
High Pressure Liquid Chromatography
15 Citations (Scopus)

Optimizing dirhodium(II) tetrakiscarboxylates as chiral NMR auxiliaries

Mattiza, J., Fohrer, J. G. G., Duddeck, H., Gardiner, M. & Ghanem, A., 2011, In : Organic Molecular Chemistry. 9, 19, p. 6542-6550 9 p.

Research output: Contribution to journalArticle

phosphine
Nuclear magnetic resonance
Ligands
nuclear magnetic resonance
Enantiomers
2010
7 Citations (Scopus)

Direct enantioselective HPLC monitoring of lipase-catalyzed kinetic resolution of flurbiprofen

Ghanem, A., 2010, In : Chirality. 22, 6, p. 597-603 7 p.

Research output: Contribution to journalArticle

Flurbiprofen
Enzyme kinetics
Lipases
Lipase
Organic solvents
56 Citations (Scopus)

First X-ray Structure of a N-Naphthaloyl Tethered Chiral Dirhodium(II) Complex: Structural Basis for Tether Substitution

Ghanem, A., Gardiner, M., Müller, P. & Williamson, R., 2010, In : Chemistry: A European Journal. 16, 11, p. 3291-3295 5 p.

Research output: Contribution to journalArticle

Substitution reactions
X rays
Catalysts
Alkenes
Structural analysis
32 Citations (Scopus)
Liquid chromatography
Lipase
Liquid Chromatography
Organic solvents
Derivatives
2009
5 Citations (Scopus)
2008
6 Citations (Scopus)

Direct enantioselective HPLC monitoring of lipase-catalyzed kinetic resolution of tiaprofenic acid in nonstandard HPLC organic solvents

Ghanem, A., Al-Ahdal, M., Aboul-Enein, M., Azzouny, A., El-Behairy, M. & Amin, K., 2008, In : Chirality. 20, 8, p. 871-877 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Direct Enantioselective HPLC Monitoring of Lipase-Catalyzed Kinetic Resolution of 2-Phenoxy Propionic Acid in Non-Standard Organic Solvents

Ghanem, A., El-Behairy, F. & Al-Ahdal, M., 2007, In : Chromatographia. 65, p. 681-686 6 p.

Research output: Contribution to journalArticle

Open Access
File
Barbiturates
Gases
Gas chromatography
Gas Chromatography
Chirasil-Dex
18 Citations (Scopus)
Cellulose
Dichloromethane
Liquids
Methylene Chloride
Optical resolving power
267 Citations (Scopus)

Trends in lipase-catalyzed asymmetric access to enantiomerically pure/enriched compounds

Ghanem, A., 2007, In : Tetrahedron. 63, 8, p. 1721-1754 34 p.

Research output: Contribution to journalArticle

59 Citations (Scopus)
Enantiomers
Liquid chromatography
Methylene Chloride
Ethanolamine
Transesterification
34 Citations (Scopus)

Asymmetric cyclopropanations and cycloadditions of dioxocarbenes

Müller, P., Allenbach, Y., Chappellet, S. & Ghanem, A., 2006, In : Synthesis. 37, 34, p. 1689-1696 8 p.

Research output: Contribution to journalArticle

Cycloaddition
Alkenes
Olefins
Catalysts
Acids
80 Citations (Scopus)

Chiral separation of Piperidine-2,6-dione analogues on Chiralpak IA and Chiralpak IB columns using HPLC

Ali, I., Naim, L., Ghanem, A. & Aboul-Enein, H., 2006, In : Talanta. 69, 4, p. 1013-1017 5 p.

Research output: Contribution to journalArticle

Aminoglutethimide
Glutethimide
Ultraviolet detectors
Amylose
Thalidomide
22 Citations (Scopus)
Barbiturates
Enantiomers
Cellulose
Optical rotation
Optical Rotation
2005

A C-11 Chiralsil-dex for enantioselective chromatographic analysis of cyclopropane derivatives

Ghanem, A., 2005, In : Talanta. 66, p. 1234-1241 8 p.

Research output: Contribution to journalArticle

212 Citations (Scopus)

Application of lipases in kinetic resolution of racemates

Ghanem, A. & Aboul-Enein, H., 2005, In : Chirality. 17, 1, p. 59-77 19 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

C11-Chirasil-Dex as chiral stationary phase in GC: enantioselective separation of cyclopropane derivatives

Ghanem, A., 15 Jun 2005, In : Talanta. 66, 5, p. 1234-1241 8 p.

Research output: Contribution to journalArticle

Gas chromatography
Derivatives
Enantioselectivity
Alkenes
Catalyst activity
12 Citations (Scopus)
Methylene Chloride
High Pressure Liquid Chromatography
Flurbiprofen
1-Butanol
Enantiomers
15 Citations (Scopus)
Drug Compounding
Silicon Dioxide
Buffers
Phosphates
High Pressure Liquid Chromatography
14 Citations (Scopus)

Diazo Compounds and Phenyliodonium Ylides in the Inter- and Intramolecular Cyclopropanations Catalyzed by Dirhodium (II): Synthesis and Chiral Resolution by GC versus HPLC

Ghanem, A., Lacrampe, F., Aboul-Enein, H. & Schurig, V., 2005, In : A U M L A. 136, 47, p. 1205-1219 15 p.

Research output: Contribution to journalArticle

High-performance Liquid Chromatography
Substrate
5 Citations (Scopus)

Enantiomeric separation of cyclopropane derivatives on a polysaccharide-based chiral stationary phase

Ghanem, A., Hoenen, H., Müller, P. & Aboul-Enein, H., 2005, In : Analytica Chimica Acta. 538, 40575, p. 15-24 10 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Enantioselective Gas Chromatographic Analysis of Cyclopropane Derivatives

Ghanem, A., Aboul-Enein, H., Lacrampe, F., Grass, S., Jiang, Z. & Müller, P., 2005, In : Chromatographia. 61, 3/04/2011, p. 103-111 9 p.

Research output: Contribution to journalArticle

Enantioselective toxicities and carcinogenesis

Ali, I., Aboul-Enein, H. & Ghanem, A., 2005, In : Current Pharmaceutical Analysis. 1, 1, p. 109-125 17 p.

Research output: Contribution to journalArticle

Toxicity
Enantiomers
Carcinogenesis
Poisons
Biological systems
33 Citations (Scopus)

One pot synthesis and chiral analysis of cyclopropane derivatives

Ghanem, A., Aboul-Enein, H. & Müller, P., 2005, In : Chirality. 17, 1, p. 44-50 7 p.

Research output: Contribution to journalArticle

On the occasion of Prof. Schurig's 65th birthday

Ghanem, A., 2005, In : Chromatographia. 61, p. 101-101 1 p.

Research output: Contribution to journalArticle