Chemical Science Transactions | Table of Contents

International Contribution (Egypt)

Chemical and Biological Studies on Some Pregnane Derivatives
N. M. ABD EL-SALAM^1* and G. A. AHMED²
¹ Department of Natural Sciences, Riyadh Community College, King Saud University, P.O.Box 2455, Riyadh-11451, Saudi Arabia
²Chemistry Department, Faculty of Science, Zagazig University, Egypt

Kinetics and Mechanism of Formation of 1:1 Complex Between Chromium(III) with 1,3-Propane Diaminetetraacetate in Aqueous Acidic Media
M. F. ABDEL-MESSIH
Chemistry Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt

An Efficient and Environmentally Friendly Procedure for Synthesis of Quinazolinone Derivatives by Use of a Biginelli-Type Reaction
NADIA T. A. DAWOUD
Department of Chemistry, Faculty of Science “Girls”, Al-Azhar University, Nasr City, Cairo, Egypt

Cytotoxic Activities of Newly Synthesized Co(II), Ni(II) and Cu(II) Complexes with Hexadentate Hydrazonic Ligands
WAEL HUSSEIN HEGAZY and MANAL HASSAN MARZOUK
Department of Chemistry, Faculty of Science, Suez University, Suez, 43533, Egypt
Clinical Biochemistry and Molecular Biology Unit, Cancer Biology Department, National Cancer Institute,
Cairo University, Cairo, 11553, Egypt

SiO₂/ZnCl₂-Catalyzed Heterocyclic Synthesis: Green, Rapid and Efficient One-Pot Synthesis of 14-H-dibenzo [a, j]Xanthenes, 1,8-Dioxo-octahydroxanthenes and 1,8-Dioxo-Decahydroacridines Under Solvent-Free Conditions
HANAN A. SOLIMAN AHMAD Y. MUBARAK, AHMAD EL-MEKABATI and SAAD S. ELMORSY
Photochemistry Department, National Research Center, Dokki, Cairo, Egypt
Chemistry Department, Faculty of Science, Mansoura University, 35516-Mansoura, Egypt

Corrosion Inhibition of Tin in Sodium Chloride Solutions Using Propaneitrile Derivatives
A.S. FOUDA^1*, S.A. ABDEL-MAKSOUD² and A.E. ALMETWALLY¹
¹Chemistry Department, Faculty of Science, El-Mansoura University, El-Mansoura-35516, Egypt
²Chemistry Department, Faculty of Science, Port Said University, Port Said, Egypt

Corrosion Inhibition and Adsorption Behavior of Cationic Surfactant Derived from Amine on Carbon Steel in Hydrochloric Acid Solutions
A. S FOUDA¹, S. M. WANEES² and A. MODREK³
¹Department of Chemistry, Faculty of Science, El-Mansoura University, El-Mansoura-35516, Egypt
²Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt
³Chemist, United Gas Derivatives Company UGDC, Egypt

Absorption, Fluorescence, Photochemical and Thermal cis/trans Isomerization Reactivity of 1-Methyl-4-(4ʹ-aminostyryl)pyridinium Iodide
FARAG M A ALTALBAWY* and EL-SAYED A M AL-SHERBINI
Department of Measurements and Environmental Applications, National Institute of Laser Enhanced Sciences (NILES), University of Cairo, Giza, 12613, Egypt

Chelating Behaviour of Dihydrothieno[3,4, d] Pyridazine Derivatives with Some Lanthanide and Actinide Metals
NADIA AHMED ABDALLA
Chemistry Department, Faculty of Science, Aswan University, Aswan-81528, Egypt

Effect of Inserting Azabenzenes Linkers into TPA-Based Dye Sensitizers for Use in Solar Cells: DFT and TDDFT Calculations
AHMED M EL-NAHAS¹,* RAMY E FARAG¹, MORAD M EL-HENDAWY², SAFINAZ H EL-DEMERDASH¹ and SHABAN Y SHABAN³
¹Chemistry Department, Faculty of Science, El-Menoufia University, Shebin El-Kom 32512, Egypt
²Department of Chemistry, Faculty of Science, Assuit University, New Valley Campus, Egypt
³Department of Chemistry, Faculty of Science, Kafrelsheikh University, Egypt

NEGF-DFT Study on Tuning Electrical Conductivity of Benzene-1, 4-dithiol
AHMED M. EL-NAHAS¹*, EL-SAYED R. KHATTAB¹, MORAD M. EL-HENDAWY² and AHMED H. MANGOOD¹
¹Department of Chemistry, Faculty of Science, El-Menoufia University, Shebin El-Kom, Egypt
²Department of Chemistry, Faculty of Science, Assuit University, New Valley Campus, Egypt

Simple Spectrophotometric Methods for the Determination of Two Phosphodiesterase Type 5-Inhibitors in Pure and Tablets Dosage Forms Using N-Bromosuccinimide as an Oxidant
EMAN M HAFEZ, RAGAA EL SHIEKH, ALAA S AMIN and AYMAN A GOUDA*
Chemistry Department, Faculty of Sciences, Zagazig University, Zagazig, Egypt
Chemistry Department, Faculty of Sciences, Benha University, Benha, Egypt

Sensitive Spectrophotometric Assay of Two Phosphodiesterase Type 5-Inhibitors in Pure and Dosage forms Using Potassium Permanganate
RAGAA EL SHIEKH, ALAA S. AMIN, EMAN M. HAFEZ and AYMAN A. GOUDA*
Chemistry Department, Faculty of Sciences, Zagazig University, Zagazig, 44519, Egypt
Chemistry Department, Faculty of Sciences, Benha University, Benha, Egypt

Development and Validation of a Rapid Stability-Indicating HPLC Method for Determination of Carbamazepine in Pure and Dosage Forms
RAGAA EL SHEIKH, AYMAN A GOUDA*, WAFAA S. HASSAN, HESHAM HASHEM, MOHAMMED ALI and NASSER F. KANDIEL
Chemistry Department, Faculty of Science, Zagazig University, Zagazig, 44519, Egypt
Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
Makkah Community College, Umm Al-Qura University, Makkah, Saudi Arabia

Utility of 4-Aryl-8-arylidene-3, 4, 5, 6, 7, 8-hexa-hydroquinazoline-2-thiol for the Synthesis of Some New Heterocycles as Antioxidant Agents
NADIA .T.A. DAWOUD
Department of Chemistry, Faculty of Science ?Girls?, Al-Azhar University, Nasr City, Cairo, Egypt

Methanol Extract of Rumex Vesicarius L. as Eco-Friendly Corrosion Inhibitor for Carbon Steel in Sulfuric Acid Solution
A. S. FOUDA¹*, K. SHALABI¹, A. M. NOFAL² and M. A. EL-ZEKRED¹
¹Chemistry Department, Faculty of Science, Mansoura University, El-Mansoura, Egypt
²Environmental Studies and Research Institute, University of EL-Sadat City, Egypt

Adsorption and Corrosion Inhibition of Cassia Angustifolia (Senna) Fruit Extract on Mild Steel in Hydrochloric Acid Solution
A.S. FOUDA*¹, R. M. ABOU SHAHBA², A. E. EL-SHENAWY² and TAGHREED J. A. SEYAM³
¹Department of Chemistry, Faculty of Science, El-Mansoura University, El-Mansoura-35516, Egypt
²Department of Chemistry, Faculty of Science (Girls branch), Al-Azhar University, Cairo, Egypt
³Ministry of Education and Higher Education, Gaza, Palestine

^152/154Eu(III) Ions Sorption on Stannic Silicate Granules: A Radiotracer Study
I. M. ALI*, H. A. MADBOULY and M. M. EL-SHORBAGY
Hot Labs Centre, Atomic Energy Authority, P.C. 13759, Cairo, Egypt