About
Professional SummaryDr. Gamal A. El-Hiti is currently working as Professor at King Saud University Saudi Arabia. He obtained his Ph.D. Degree in Organic Chemistry from Tanta University, Egypt in 1996. His employment history includes worked as Academic Visitor, and Research Fellow at Cardiff University, UK, Visitor, Research Officer and Lecturer at Swansea University, UK, Demonstrator, Assistant Lecturer, Lecturer, Associate Professor, and Professor at Tanta University, Egypt. His other activities includes Head of the Ethics Committee at the College of Applied Medical Sciences, Postgraduate Committee at Optometry Department, Research Centre at the College of Applied Medical Sciences, Carried out full duties as the Head for the Postgraduates Committee at Optometry Department, College of Applied Medical Science at King Saud University. He is professional member of Royal Society of Chemistry, and Senior Member of the Egyptian Heterocyclic Chemical Society. Dr. Gamal received honor includes International Author Grant from the Royal Society of Chemistry, and Scholarship from the Egyptian Government to Swansea University, UK for two years as a part of the PhD study. He is also member of editorial board in journals and also serving as referee in number of journals. He also supervised several PhD and M.Phil students. He also received number of grants for his research work. His area of research interest focuses on Synthesis of Substituted Aromatics and Heterocyclic through Greener Synthetic Routes rather than Traditional ones, Synthesis and Application of Chemiluminescent and Photochromic Materials with interesting properties, Use of Organometallic Compounds, especially of lithium and boron, as Intermediates in Synthetic Organic Chemistry, Use of Zeolites, Solid-supported Reagents and Polymeric Materials as Catalysts in Highly Regioselective Reactions, Study of Tear Ferning and Osmolarity, and Nanosecond time resolved Laser-spectroscopy Study of Dynamic Interfacial charge Transfers of Organic Dyes. He has published 130 articles in journals as well as 44 presentations in conferences contributed as author/co-author.
Education
Academic Background-
Ph.D. Tanta University, Egypt Organic Chemistry | Completed: 1996
Editorial Services
Editorial & Publishing Roles
Editorial Board Member
Serving as Editorial Board Member for Journal of Applied Sciences.
Publications (230)
Selected Scholarly Contributions
Impact of substituents on bromination sites of (E)-1-[5-methyl-1-aryl-1H-1,2,3-triazol-4-yl]-3-arylprop-2-en-1-ones using N-bromosuccinimide: Synthesis and crystal structure elucidation
2026
2-(3-(4-Bromophenyl)-5-{3-[5-methyl-1-(4-methylphenyl)-1
H
-1,2,3-triazol-4-yl]-1-phenyl-1
H
-pyrazol-4-yl}-4,5-dihydro-1
H
-pyrazol-1-yl)-4-(4-chlorophenyl)-1,3-thiazole. Corrigendum
2026
Synthesis and Structure Elucidation of 2‐((1,2,3‐triazol‐4‐yl)‐1,3,4‐oxadiazol‐2‐yl)Thio)‐1‐arylethan‐1‐ones
2026
Short-Term Effects of a Single Dose of Black Tea on Tear Film Stability and Quality in Healthy Adults: An Interventional Study
2026
Association of lipid layer patterns with tear evaporation in smokers, refractive errors, and high body mass index
2026
Crystal structure of bis ((1-((E)-((4-methoxyphenyl)imino)methyl)naphthalen-2-yl)oxy) copper(II), C36H28CuN2O4
2025
Preparation Methods and Photocatalytic Performance of Kaolin-Based Ceramic Composites with Selected Metal Oxides (ZnO, CuO, MgO): A Comparative Review
2025
2-{(E)-[(2-Hydroxy-1-phenylethyl)imino]methyl}-4-[(E)-(4-methylphenyl)diazenyl]phenol
2025
Enhancing the mechanical and physical properties of DD3 ceramics with zirconium oxide for industrial and technological applications
2025
Synthesis and insecticidal activity of new 5-((3-(5-methyl-1-phenyl-1H-1,2,3-triazol-4-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)thiazolidin-4-ones
2025
Exploring the potential of short-term oral folic acid on the ocular tear film: An intervention study
2025
Synthesis, characterization, and biological evaluation of nano-salicylic acid and nano-curcumin for combating the fungal pathogen Rhizoctonia Solani
2025
Synthesis and anticancer evaluation of new 3-allyl-N-(4-fluorophenyl)-4-substituted thiazol-2(3H)-imines on A431 skin cancer cells, revealing cytotoxicity, apoptosis, and cell cycle modulation
2025
Potential ocular health benefit of short-term omega-3 fatty acids supplementation on the ocular tear film: An observational study
2025
In silico
screening of a series of 1,6-disubstituted 1
H
-pyrazolo[3,4-
d
]pyrimidines as potential selective inhibitors of the Janus kinase 3
2024
In-Silico
Evaluation, Chemical Reactivity, and Covalent Docking Study of Various Quinazolines and Pyridopyrimidines as Inhibitors for the Epidermal Growth Factor Receptor
2024
Crystal structure of (Z)-3-(3-(4-hydroxyphenyl)-2-(phenylimino)-2,3-dihydrothiazol-4-yl)-2H-chromen-2-one, C24H16N2O3S
2024
Crystal structure of (Z)-3-(4-methoxyphenyl)-4-(5-methyl-1-phenyl-1H-1,2,3-triazol-4-yl)-N-phenylthiazol-2(3H)-imine, C25H21N5OS
2024
Investigation of the Impact of Chemical Modifications on the Photostability of Polymethyl Methacrylate
2024
Se
in
–EY marvels: effortless elegance in crafting flexible film photocatalysts for formic acid production from CO
2
and cyclization of thioamides in the air's embrace
2024
Magnetic carbon nanotubes doped cadmium oxide as heterogeneous catalyst for biodiesel from waste cooking oil
2024
Synergistic Effect of Nilavembu Choornam–Gold Nanoparticles on Antibiotic-Resistant Bacterial Susceptibility and Contact Lens Contamination-Associated Infectious Pathogenicity
2024
Assessment of tear film parameters in females with refractive errors using a single device: an observational study
2024
1-(2,4-Dinitrophenyl)-2-((Z)-2-((E)-4-fluorobenzylidene)-3,4-dihydronaphthalen-1(2H)-ylidene)hydrazine
2024
2024
(E)-1-(4-Methoxyphenyl)-5-methyl-4-(1-phenyl-4-((2-(2,4,6-trichlorophenyl)hydrazineylidene)methyl)-1H-pyrazol-3-yl)-1H-1,2,3-triazole
2024
Synthesis, isomorphism, and polymorphism of new (2E,4E)-1-(5-methyl-1-aryl-1H-1,2,3-triazol-4-yl)-5-phenylpenta-2,4-dien-1-ones
2024
Synthesis of 9‐(substituted phenoxycarbonyl)‐10‐methylacridinium trifluoromethanesulfonates: Effects of the leaving group on chemiluminescent properties
2024
Antibacterial and antibiofilm activities of selenium nanoparticles-antibiotic conjugates against anti-multidrug-resistant bacteria
2024
Synthesis and characterization of new heterocycles containing the 1,2,3-triazole ring system
2024
Modified polymethyl methacrylate as a sustainable medium for capturing carbon dioxide
2024
Synthesis and properties of new metal complexes containing heterocyclic moieties and investigation of the role of the metal in carbon dioxide gas capture
2024
2023
4-((5-(1-(4-Fluorophenyl)-5-methyl-1H-1,2,3-triazol-4-yl)-1,3,4-thiadiazol-2-yl)amino)benzenesulfonic acid: unexpected synthesis, structure elucidation and antimicrobial activity
2023
Syntheses of Hindered-Polymethylacridinium Esters with Potential for Biological Probe Nanoarchitectonics
2023
Enhancement of Photostabilization of Poly(Vinyl Chloride) in the Presence of Tin–Cephalexin Complexes
2023
Effect of monovalent electrolyte solutions on the human tear ferning pattern
2023
2023
Synthesis, structure elucidation, and chemiluminescent activity of new 9‐substituted 10‐(ω‐(succinimidyloxycarbonyl)alkyl)acridinium esters
2023
Metal Oxide Nanoparticles Containing Clotrimazole to Suppress Photodegradation of Poly(Vinyl Chloride) Thin Films
2023
(E)-5-(4-Methoxyphenyl)-N′-(2-oxoindolin-3-ylidene)-1-phenyl-1H-pyrazole-3-carbohydrazide
2023
(E)-N’-(1-(Benzofuran-2-yl)ethylidene)-1-(4-Methoxyphenyl)-5-Methyl-1H-1,2,3-Triazole-4-Carbohydrazide
2023
(2Z,5Z)-5-((3-(Benzofuran-2-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)-2-((4-methoxyphenyl)imino)-3-phenylthiazolidin-4-one
2023
Pendant Modification of Poly(methyl methacrylate) to Enhance Its Stability against Photoirradiation
2023
Organotin(IV) Complexes as Promising Potential Drug Candidates in the Field of Cancer Chemotherapy: A Narrative Review
2023
Neodymium-Doped Zinc Oxide Nanoparticles Catalytic Cathode for Enhanced Efficiency of Microbial Desalination Cells
2023
Catalyst-Free Synthesis of Novel 4-(Benzofuran-2-yl)-N-phenylthiazol-2(3H)-imines, Crystal Structure Elucidation, and the Effect of Phenyl Substitution on Crystal Packing
2023
2023
Identification of the Contamination Sources by PCBs Using Multivariate Analyses: The Case Study of the Annaba Bay (Algeria) Basin
2023
Improvement of tear ferning patterns of artificial tears using dilute electrolyte solutions
2023
Synthesis, characterization, and fluorescence properties of new polyethers derived from curcumin analogs
2023
Evaluation of the effect of polyesters containing a curcumin ring system on
Bemisia tabaci
2023
Synthesis and anticancer activity of 3-(1-aryl-5-methyl-1H-1,2,3-triazol-4-yl)-1-phenyl-1H-pyrazole-4-carbaldehydes
2023
New metal complexes containing a methyldopa Schiff base for carbon dioxide storage
2023
Synthesis, physical properties, and carbon dioxide uptake of new metal-sulfamethoxazole complexes
2023
Evaluation of Tear Evaporation Rate in Patients with Diabetes Using a Hand-Held Evaporimeter
2022
Measurements of Tear Evaporation Rate in Subjects with Refractive Errors Using a Portable Evaporimeter
2022
Improving tear ferning patterns collected from goats and camels after adding various electrolyte solutions
2022
Fabrication of Highly Photostable Polystyrene Films Embedded with Organometallic Complexes
2022
In Silico Pesticide Discovery for New Anti-Tobacco Mosaic Virus Agents: Reactivity, Molecular Docking, and Molecular Dynamics Simulations
2022
Quantum Computational Investigation of (E)-1-(4-methoxyphenyl)-5-methyl-N′-(3-phenoxybenzylidene)-1H-1,2,3-triazole-4-carbohydrazide
2022
Intermolecular Interactions of 3,5-bis(4-Methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carbothioamide in a Cocrystal with 1,3-bis(4-Methoxyphenyl)prop-2-en-1-one and Dimethylformamide Solvate
2022
Monitoring physicochemical properties of transparent PVC films containing captopril and metal oxide nanoparticles to assess UV blocking
2022
Synthesis and Structure Determination of 2-Cyano-3-(1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-4-yl)acrylamide
2022
Synthesis and Structure Determination of 1-(4-Methoxyphenyl)-5-methyl-N’-(2-oxoindolin-3-ylidene)-1H-1,2,3-triazole-4-carbohydrazide
2022
Acefylline Derivatives as a New Class of Anticancer Agents: Synthesis, Molecular Docking, and Anticancer, Hemolytic, and Thrombolytic Activities of Acefylline-Triazole Hybrids
2022
Antioxidant Properties of Curcumin Analogues to Inhibit Thermal Degradation of Low-Density Polyethylene: Experimental and DFT Study
2022
Synthesis of New Norfloxacin–Tin Complexes to Mitigate the Effect of Ultraviolet-Visible Irradiation in Polyvinyl Chloride Films
2022
Ultrasound-Assisted Synthesis and In Silico Modeling of Methanesulfonyl-Piperazine-Based Dithiocarbamates as Potential Anticancer, Thrombolytic, and Hemolytic Structural Motifs
2022
Assessment of the Effect of Wearing a Surgical Face Mask on Tear Film in Normal Eye Subjects
2022
Synthesis and Application of Levofloxacin–Tin Complexes as New Photostabilizers for Polyvinyl Chloride
2022
2022
(Z)-2-(1-(5-Methyl-1-(4-nitrophenyl)-1H-1,2,3-triazol-4-yl)ethylidene)-N-phenylhydrazine-1-carbothioamide
2022
(E)-1-(5-Methyl-1-(4-nitrophenyl)-1H-1,2,3-triazol-4-yl)-3-(naphthalen-2-yl)prop-2-en-1-one
2022
2022
Synthesis of Methyldopa–Tin Complexes and Their Applicability as Photostabilizers for the Protection of Polyvinyl Chloride against Photolysis
2022
Effect of surgical face mask wearing on tear film in women with a high body mass index
2022
Correlation between osmolarity measurements using the TearLab™ and I-Pen® systems in subjects with a high body mass index
2022
Synthesis and Characterization of Novel 2-(1,2,3-Triazol-4-yl)-4,5-dihydro-1H-pyrazol-1-yl)thiazoles and 2-(4,5-Dihydro-1H-pyrazol-1-yl)-4-(1H-1,2,3-triazol-4-yl)thiazoles
2022
The crystal structure of 1-phenyl-N-(4,5,6,7-tetrabromo-1,3-dioxoisoindolin-2-yl)-5-(thiophen-2-yl)-1H-pyrazole-3-carboxamide-dimethylformamide (1/1) C22H10Br4N4O3S
2021
2021
A Process for the Synthesis and Use of Highly Aromatic Organosilanes as Additives for Poly(Vinyl Chloride) Films
2021
The crystal structure of 4-(4-bromophenyl)-2-(3-(4-bromophenyl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)thiazole, C24H16Br2FN3S
2021
Analysis of Tear Ferning Patterns in Young Female Subjects with Refractive Errors
2021
Synthesis of Carvedilol–Organotin Complexes and Their Effects on Reducing Photodegradation of Poly(Vinyl Chloride)
2021
Photostabilization of Poly(vinyl chloride) Films Blended with Organotin Complexes of Mefenamic Acid for Outdoor Applications
2021
2-(Naphthalen-2-yloxy)-N′-[2-(naphthalen-2-yloxy)acetyl]acetohydrazide monohydrate
2021
2021
A Process for Carbon Dioxide Capture Using Schiff Bases Containing a Trimethoprim Unit
2021
Effects of Structured Solids on Regioselectivity of Dibromination of Naphthalene
2021
A Process for Hydrogen Production from the Catalytic Decomposition of Formic Acid over Iridium—Palladium Nanoparticles
2021
Tin-Naphthalene Sulfonic Acid Complexes as Photostabilizers for Poly(vinyl chloride)
2021
Synthesis and Structural Characterization of Isostructural 4-(4-Aryl)-2-(5-(4-fluorophenyl)-3-(1-(4-fluorophenyl)-5-methyl-1H-1,2,3-triazol-4-yl)-4,5-dihydro-1H-pyrazol-1-yl)thiazoles
2021
Development of Efficient and Selective Processes for the Synthesis of Commercially Important Chlorinated Phenols
2021
Tin Complexes of 4-(Benzylideneamino)benzenesulfonamide: Synthesis, Structure Elucidation and Their Efficiency as PVC Photostabilizers
2021
Effect of Ultraviolet Irradiation on Polystyrene Containing Cephalexin Schiff Bases
2021
2021
FTIR, Weight, and Surface Morphology of Poly(vinyl chloride) Doped with Tin Complexes Containing Aromatic and Heterocyclic Moieties
2021
Substituted Organotin Complexes of 4-Methoxybenzoic Acid for Reduction of Poly(vinyl Chloride) Photodegradation
2021
Modifications of Polymers through the Addition of Ultraviolet Absorbers to Reduce the Aging Effect of Accelerated and Natural Irradiation
2021
Crystal structure of (E)-2-(5-(4-fluorophenyl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-5-((4- fluorophenyl)diazenyl)-4-methylthiazole, C23H17F2N5OS.
Gamal A. El-Hiti
2017
Synthesis of some novel thiophene and thiazole derivatives and their antimicrobial evaluation.
Gamal A. El-Hiti
2017
Cytotoxicity anticancer activities of anastrozole against breast, liver hepatocellular and prostate cancer cells.
Gamal A. El-Hiti
2017
Crystal structure of 2-(bis(4-methoxyphenyl)amino)-2-oxoacetic acid, C16H15NO5.
Gamal A. El-Hiti
2017
Crystal structure of 1,1-dimethyl-3-(4-methylphenyl)urea, C10H14N2O.
Gamal A. El-Hiti
2017
Crystal structure of 1-(4,4-dimethyl-2,6-dithioxo-1,3,5-triazinan-1-yl)-3- (diethylaminocarbonyl)thiourea, C11H20N6OS3.
Gamal A. El-Hiti
2017
Crystal structure of 5-(5-(4-chlorophenyl)-1-phenyl-1H-pyrazol-3-yl)-N-phenyl-1,3,4-thiadiazol- 2-amine, C23H16ClN5S.
Gamal A. El-Hiti
2017
Crystal structure of 3-(5-methyl-1-p-tolyl-1H-1,2,3-triazol-4-yl)-1-phenyl-1H-pyrazole-4- carbaldehyde, a rare Z' =3 structure, C20H17N5O.
Gamal A. El-Hiti
2017
Crystal structure of (E)-3-methyl-4-((3-(5-methyl-1-phenyl-1H-1,2,3-triazol-4-yl)-1-phenyl-1H- pyrazol-4-yl)methylene)-1-phenyl-1H-pyrazol-5(4H)-one, C29H23N7O.
Gamal A. El-Hiti
2017
Crystal structure of 1,1-dimethyl-3-(4-methoxyphenyl)urea, C10H14N2O2.
Gamal A. El-Hiti
2017
Quantitative analysis of gene expression changes in response to genotoxic compounds.
Gamal A. El-Hiti
2016
Crystal structure of 3-(2-bromophenyl)-1,1-dimethylthiourea, C9H11BrN2S.
Gamal A. El-Hiti
2016
Photocatalytic degradation of polyhydroxybutyrate films using titanium dioxide nanoparticles as a photocatalyst.
Gamal A. El-Hiti
2016
Syntheses of triazoloquinoxalines.
Gamal A. El-Hiti
2016
Reactions of organoboranes with carbanions bearing three potential leaving groups: Unusual processes, products and mechanisms.
Gamal A. El-Hiti
2016
Crystal structure of 4-(benzofuran-2-yl)-2-(3-(4-fluorophenyl)-3,3a,4,5-tetrahydro-2H- benzo[g]indazol-2-yl)thiazole, C28H20FN3OS.
Gamal A. El-Hiti
2016
Crystal structure of 5-(2-chloro-5-nitrophenyl)-3-(4-chlorophenyl)-N-ethyl-4,5-dihydro-1H- pyrazole-1-carbothioamide, C18H16Cl2N4O2S.
Gamal A. El-Hiti
2016
Crystal structure of (Z)-4-((E)-(4-chlorobenzylidene)hydrazono)-1-p-tolylpyrrolidine-3- carbonitrile, C19H17ClN4.
Gamal A. El-Hiti
2016
Crystal structure of tert-butyl 2-phenylethylcarbamate, C13H19NO2.
Gamal A. El-Hiti
2016
Crystal structure of 3-(4-bromophenyl)-5-(4-fluorophenyl)-4,5-dihydro-1Hpyrazole-1- carbothioamide, C16H13BrFN3S.
Gamal A. El-Hiti
2016
Crystal structure of 3-tert-butyl-7-azadioxindole, C11H14N2O2.
Gamal A. El-Hiti
2016
Crystal structure of 2-(4-methoxyphenyl)-1,3-thiazolo[4,5-b]pyridine, C13H10N2OS.
Gamal A. El-Hiti
2016
Crystal structure of 1,1-dimethyl-3-(2-phenylethyl)urea, C11H16N2O.
Gamal A. El-Hiti
2016
Crystal structure of ethyl 5-amino-3-(methylthio)-1-(1-phenyl-5-(thiophen-2-yl)-1H-pyrazole-3- carbonyl)-1H-pyrazole-4-carboxylate, C21H19N5O3S2.
Gamal A. El-Hiti
2016
Crystal structure of 2-(3-(benzofuran-2-yl)-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)-4- phenylthiazole, C26H19N3OS.
Gamal A. El-Hiti
2016
Crystal structure of 2-(3-(benzofuran-2-yl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)-4-(4- chlorophenyl)thiazole, C26H17ClFN3OS.
Gamal A. El-Hiti
2016
Crystal structure of 3-(benzofuran-2-yl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazole-1- carbothioamide, C18H14FN3OS Z. Krist.
Gamal A. El-Hiti
2016
Crystal structure of 3-tert-butyl-3-hydroxy-1, 3-dihydro-2H-pyrrolo [3, 2-c] pyridin-2-one, C11H14N2O2.
Gamal A. El-Hiti
2016
Viscoelastic, spectroscopic and microscopic study of the photo irradiation effect on the stability of PVC in the presence of sulfamethoxazole Schiff's bases.
Gamal A. El-Hiti
2015
Repeatability and diurnal variation of tear ferning test.
Gamal A. El-Hiti
2015
Crystal structure of 3-amino-2-ethylquinazolin-4 (3H)-one.
Gamal A. El-Hiti
2015
Factors affecting reactions of trialkylcyanoborates with imidoyl chlorides/trifluoroacetic anhydride.
Gamal A. El-Hiti
2015
Crystal structure of 3-amino-2-propylquinazolin-4 (3H)-one.
Gamal A. El-Hiti
2015
Crystal structure of 2-(2-methylphenyl)-1, 3-thiazolo [4, 5-b] pyridine.
Gamal A. El-Hiti
2015
Photochemical stability and photostabilizing efficiency of poly (methyl methacrylate) based on 2-(6-methoxynaphthalen-2-yl) propanoate metal ion complexes.
Gamal A. El-Hiti
2015
2015
Synthesis of new thiophene derivatives and their use as photostabilizers for rigid poly(vinyl chloride).
Gamal A. El-Hiti
2015
Application of a new grading scale for tear ferning in non-dry eye and dry eye subjects.
Gamal A. El-Hiti
2015
Comparison of cyclic and polymeric disulfides as catalysts for the regioselective chlorination of phenols.
Gamal A. El-Hiti
2015
A simple procedure for synthesis of 3H-quinazolin-4-one hydrazones under mild conditions.
Gamal A. El-Hiti
2014
Regioselective nitration of 2- and 4-nitrotoluenes over systems comprising nitric acid, an acid anhydride and a zeolite.
Gamal A. El-Hiti
2014
Experimental (FT-IR, NMR and UV) and theoretical (M06-2X and DFT) investigation, and frequency estimation analyses on (E)-3-(4-bromo-5-methylthiophen-2-yl)acrylonitrile.
Gamal A. El-Hiti
2014
Comparative study of repeatability of phenol red thread test versus Schirmer's test in normal adults in Saudi Arabia.
Gamal A. El-Hiti
2014
Regioselective dinitration of simple aromatics over zeolite H
Gamal A. El-Hiti
2014
Investigation of tear film using the TearLabTM osmolarity system in normal adults in Saudi Arabia.
Gamal A. El-Hiti
2014
Directed Lithiation of N′-[2-(4-Methoxyphenyl)ethyl]-N,N-dimethylurea and tert-Butyl [2-(4-Methoxyphenyl)ethyl]carbamate
Gamal A. El-Hiti
2014
Intracellular localization and induction of a dynamic RNA-editing event in response to copper of macro-algal V-ATPase subunit A (VHA-A)
Gamal A. El-Hiti
2014
Simple and convenient procedure for the synthesis of 2-(3-(tert-butoxycarbonylamino)propyl)- 5-methylthiophenes.
Gamal A. El-Hiti
2013
Control of site of lithiation of 3-(aminomethyl)pyridine derivatives.
Gamal A. El-Hiti
2013
Synthesis of a series of diphenyl (arylamino)(pyridin-3-yl)methylphosphonates as potential antimicrobial agents.
Gamal A. El-Hiti
2013
Variations in site of lithiation of N-[(2-(4-methoxyphenyl)ethyl)]pivalamide; use in ring substitution.
Gamal A. El-Hiti
2013
Highly regioselective dinitration of toluene over zeolite H
Gamal A. El-Hiti
2013
Side-chain lithiation of 2- and 4-substituted pyridines: synthesis of more complex substituted pyridines.
Gamal A. El-Hiti
2012
Variation in the site of lithiation of 2-(2-methylphenyl)ethanamine derivatives.
Gamal A. El-Hiti
2012
Synthesis and antimicrobial activities of novel series of heterocyclic α-aminophosphonates.
Gamal A. El-Hiti
2012
Synthesis and antimicrobial activities of diphenyl (arylamino)(1-phenyl-3-(pyridin-2-yl)-1H- pyrazol-4-yl)methylphosphonates
Gamal A. El-Hiti
2012
Poly(propylene sulfide)-borane: reagent for organic synthesis
Gamal A. El-Hiti
2012
Antimicrobial activities of a series of diphenyl (4'-(aryldiazenyl)biphenyl-4-ylamino)(pyridin-3- yl)methylphosphonates
Gamal A. El-Hiti
2012
Lithiation and substitution of N'-(ω-phenylalkyl)-N,N-dimethylureas
Gamal A. El-Hiti
2012
Reactions of organolithium reagents with quinazoline derivatives
Gamal A. El-Hiti
2012
Highly regioselective di-tert-amylation of naphthalene over reusable HM zeolite catalyst.
Gamal A. El-Hiti
2012
Synthesis, antimicrobial and anticancer activities of a novel series of diphenyl 1-(pyridin-3- yl)ethylphosphonates.
Gamal A. El-Hiti
2012
The synthesis of polymeric sulfides by reaction of dihaloalkanes with sodium sulfide.
Gamal A. El-Hiti
2011
Simultaneous quantification of multiple nucleic acid targets using chemiluminescent probes.
Gamal A. El-Hiti
2011
Simple and convenient one-pot synthesis of substituted isoindolin-1-ones via lithiation, substitution and cyclization of N'-benzyl-N,N-dimethylureas.
Gamal A. El-Hiti
2011
Thioxoquinazoline derivatives: synthesis, reactions and biological activities.
Gamal A. El-Hiti
2011
New polymeric sulfide-borane complexes: convenient hydroborating and reducing reagents.
Gamal A. El-Hiti
2011
Use of zeolites for green and para-selective electrophilic aromatic substitution reactions.
Gamal A. El-Hiti
2011
Lateral lithiation of N'-(2-methylbenzyl)-N,N-dimethylurea and N-(2-methylbenzyl)pivalamide: synthesis of tetrahydroisoquinoline.
Gamal A. El-Hiti
2010
One-pot synthesis of substituted isoindolin-1-ones via lithiation and substitution of N'-benzyl- N,N-dimethylureas.
Gamal A. El-Hiti
2010
A simple and convenient high yielding synthesis of substituted isoindolines.
Gamal A. El-Hiti
2010
Regioselective nitration of deactivated aromatics using acyl nitrates over reusable acidic zeolite catalysts.
Gamal A. El-Hiti
2010
2-Acetylbenzofurans: synthesis, reactions and applications.
Gamal A. El-Hiti
2010
Variation in sites of lithiation of substituted N-benzylpivalamides and N'-benzyl-N,N- dimethylureas: application in synthesi.
Gamal A. El-Hiti
2010
Recent trends in the chemistry of aminobenzo[b]thiophenes.
Gamal A. El-Hiti
2010
3-acetylindoles: Synthesis, reactions and biological activities.
Gamal A. El-Hiti
2009
Unexpected variations in sites of lithiation of N-(2-methoxybenzyl)pivalamide.
Gamal A. El-Hiti
2009
Catalytic mononitration of phenol using iso-propyl nitrate over acidic zeolite catalysts.
Gamal A. El-Hiti
2009
Rearrangement of epoxides to allylic alcohols in the presence of reusable basic resins.
Gamal A. El-Hiti
2009
3-Arylazo-2-thioxo-2,3-dihydro-1H-quinazolin-4-ones as azodisperse dyes for dyeing polyester fabrics.
Gamal A. El-Hiti
2007
Rearrangement of epoxides to carbonyl compounds in the presence of reusable acidic zeolite catalysts under mild conditions.
Gamal A. El-Hiti
2006
A novel supported Katsuki-type (salen)Mn complex for asymmetric epoxidation.
Gamal A. El-Hiti
2006
Addition of alkyllithiums to 3H-quinazoline-4-thione and substituted quinazoline derivatives; application in synthesis.
Gamal A. El-Hiti
2005
A Simple and convenient procedure for lithiation and side-chain substitution of 2-alkyl-4- methylsulfanylquinazolines and 2-alkyl-4-methoxyquinazolines.
Gamal A. El-Hiti
2005
Synthesis of glycosides containing quinazolin-4(3H)-one ring system.
Gamal A. El-Hiti
2005
Regioselective mononitration of simple aromatic compounds under mild conditions in ionic liquid.
Gamal A. El-Hiti
2005
An extensive study of bromination of cis,trans,trans-1,5,9-cyclododecatriene; product structures and conformations.
Gamal A. El-Hiti
2005
Application of organolithium in organic synthesis: a convenient synthesis of more complex 6-substituted 3H-quinzolin-4-ones.
Gamal A. El-Hiti
2004
Use of ionic liquids as solvents for epoxidation reactions catalysed by a chiral Katsuki-type salen complex: enhanced reactivity and recovery of catalyst.
Gamal A. El-Hiti
2004
Regioselective control of electrophilic aromatic substitution reactions.
Gamal A. El-Hiti
2004
Regioselective lithiation of chiral 3-acylamino-2-alkylquinazolin-4(3H)-ones: application in synthesis.
Gamal A. El-Hiti
2004
Study of regioselective methanesulfonylation of simple aromatics with methanesulfonic anhydride in the presence of reusable zeolite catalysts.
Gamal A. El-Hiti
2004
A convenient procedure for bismuth-mediated Barbier-type allylation of aldehydes in water containing fluoride ions.
Gamal A. El-Hiti
2004
Synthesis of some novel N-glycosyl amines from aminoquinazolin-4(3H)-one derivatives.
Gamal A. El-Hiti
2003
A convenient procedure for the formation of 2-substituted thiazolopyridines.
Gamal A. El-Hiti
2003
Unexpected products from carbonylation of lithiated quinazolin-4(3H)-one derivatives.
Gamal A. El-Hiti
2003
Lithiation and side-chain substitution of 3-alkyl-1H-quinoxalin-2-ones.
Gamal A. El-Hiti
2003
Carbonylation of doubly lithiated N'-aryl-N,N-dimethylureas: a novel approach to isatins via intramolecular trapping of acyllithium.
Gamal A. El-Hiti
2003
Acylation of aromatic ethers over solid acid catalysts: scope of the reaction with more complex acylating agents.
Gamal A. El-Hiti
2003
Acetylation of aromatic ethers using acetic anhydride over solid acid catalysts in a solvent-free system. Scope of the reaction for substituted ethers.
Gamal A. El-Hiti
2003
Study of regioselective dialkylation of naphthalene in the presence of reusable zeolite catalysts.
Gamal A. El-Hiti
2003
Synthesis and reactions of some 3-aryl-2-thioxoquinazolin-4(3H)-ones
Gamal A. El-Hiti
2002
Aiming for greener chemical processes: the Centre for Clean Chemistry in Swansea has been recognised for its work on selective aromatic substitution reactions.
Gamal A. El-Hiti
2002
Synthesis of some hydrazones and osazones containing bromoquinazolines as biologically active compounds.
Gamal A. El-Hiti
2001
2001
Novel sugar (quinazolin-4-yl)hydrazones and dihydrazones (osazones) as potential antimicrobial agents.
Gamal A. El-Hiti
2000
A convenient synthesis of novel N-glycosides of 3-(aminophenyl)-4(3H)-quinazolinone derivatives.
Gamal A. El-Hiti
2000
Synthesis of substituted quinazolin-4(3H)-ones and quinazolines via directed lithiation Heterocycles.
Gamal A. El-Hiti
2000
Highly efficient and selective electrophilic and free radical catalytic bromination reactions of simple aromatic compounds in the presence of reusable zeolites.
Gamal A. El-Hiti
2000
The action of methylmagnesium iodide on 6-bromo-2-phenyl-4H-3,1-benzoxazinone and its 4(3H)-quinazolinones
Gamal A. El-Hiti
1999
Synthesis and biological activities of novel (3-methylquinoxalin-2-yl) hydrazones and osazones of aldoses.
Gamal A. El-Hiti
1999
Mass spectral fragmentation patterns of benzilic and mandelic acid hydrazides and their arylidene derivatives.
Gamal A. El-Hiti
1999
A convenient synthesis of novel hydrazones and osazones of 2-hydrazino-3-phenyl-4(3H)- quinazolinone.
Gamal A. El-Hiti
1999
Convenient synthesis of more complex 2-substituted 4(3H)-quinazolinones via lithiation of 2-alkyl-4(3H)-quinazolinones.
Gamal A. El-Hiti
1999
Proton nuclear magnetic resonance spectroscopy: significant barriers to rotation about N-N bonds in 3-acylaminoquinazolin-4(3H)-one derivative.
Gamal A. El-Hiti
1999
Preparation and use of sterically hindered organoditripylhydroborates and their polystyrene derivatives for the diastereoselective reduction of ketones
Gamal A. El-Hiti
1999
Variation in site of lithiation with ring substituent of N'-aryl-N,N-dimethylureas; application in synthesis.
Gamal A. El-Hiti
1999
Carbonylation of various organolithium reagents. A novel approach to heterocycles via intramolecular trapping of aromatic acyllithiu.
Gamal A. El-Hiti
1999
Crystal and molecular structure of 3-amino-2-(4-methylphenylamino)quinazolin-4(3H)-one.
Gamal A. El-Hiti
1998
Crystal and molecular structure of 2-hydrazino-3-methylquinoxaline.
Gamal A. El-Hiti
1998
Unexpected formation of substituted anilides via reactions of trifluoroacetanilides with lithium reagentS.
Gamal A. El-Hiti
1998
Two organometallic compounds for improving the properties of acrylic resin.
Gamal A. El-Hiti
1997
A convenient synthesis of 1,2-dihydro-1,2,4-triazolo[3,2-b]quinazolin-9(1H)-ones and their 1,2,4-triazolo derivatives.
Gamal A. El-Hiti
1997
Lithiation of 2-alkyl-3-amino- and 2-alkyl-3-(methylamino)-4(3H)-quinazolinones.
Gamal A. El-Hiti
1996
Lithiation of 3-(acylamino)-2-unsubstituted-, 3-(acylamino)-2-ethyl- and 3-(acylamino)-2-propyl- 4(3H)-quinazolinones: convenient syntheses of more complex quinazolinones.
Gamal A. El-Hiti
1996
Reaction of 6-substituted 3-amino-2-phenyl-4(3H)-quinazolinones with D-ribose and L-arabinose.
Gamal A. El-Hiti
1995
Reaction of 6-substituted 3-amino-2-aryl-4(3H)-quinazolinones with D-glucose and D-galactose.
Gamal A. El-Hiti
1995
Novel one-pot procedure for the preparation of 3-substituted 2-thioxo-4(3H)-quinazolinones.
Gamal A. El-Hiti
1995
Regiospecific electrophilic substitution of aminoquinazolinones: directed lithiation of 3-(pivaloylamino)- and 3-(acetylamino)-2-methylquinazolin-4(3H)-one.
Gamal A. El-Hiti
1995
Regioselective electrophilic aromatic substitution reactions over reusable zeolites.
Gamal A. El-Hiti
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