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Volume 11, No. 1, March 2016, Jumada 2  1437 H

Articles

 

 

A new and highly efficient approach to the synthesis of coumarin and its derivatives

 

 

Seyedeh Fatemeh Hojati

Zahra Hadadnia

 

JJC, 2016, 11(1), 1-7

Chemosensor Engineering: Effects of Halogen Attached to Carbon-Carbon Triple Bond Substituent on Absorption energy of Pyridine: DFT-Study

Pyridine, C5H5N, and pyridine derivatives of the structure C5(S)nH5-nN (S = -C≡C-X; X = F, Cl, Br, I) have been studied theoretically using DFT computation employing the B3LYP/LanL2DZ level of theory. Effects of substituent halogenation on electron density enrichment of the pyridine nitrogen, and thus its effectiveness as an electron donor have been investigated. Computational results showed that the substituent halogenation does affect the charge density accumulation on the nitrogen atom of pyridine as well as the C2=N and -C≡C- bond lengths and the C2 N C6 bond angle. In addition, charge density localization on the nitrogen atom has been found to depend on the number and position of side substituents.

             

 

Amer A. G. Al Abdel Hamida

Sofian Kanan

Tareq M. A. Alshboul,

Taghreed M. A. Jazzazi

Amarat Y. Al-nemrat

 

JJC, 2016, 11(1), 8-25

Hydrocatalytic Reduction of Nitrate in Aqueous Solution over Titania Supported Pd-Au Catalysts

Au3%/TiO2-I, Au1.5%/TiO2-I, Au1.5%Pd1.5%/TiO2-I, Pd1.5%/TiO2-I, Pd3%/TiO2-I and Au6.0%Pd0.2%/ TiO2/IW catalysts, were prepared by impregnation (I) and incipient witness (IW) methods, and characterized by means of XRD. They were tested in the reduction of nitrate ions in aqueous solution and found to have high catalytic activity and selectivity in this respect.

 

 

Tamara Bani-Mufarrej

Ayman Y. Hammoudeh

Sabri S. Mahmoud

 

JJC, 2016, 11(1), 26-37

The Efficiency of Chloroquine as Corrosion Inhibitor for Aluminium in 1M HCl Solution: Experimental and DFT Study

The efficiency of Chloroquine (4-N-(7-chloroquinolin-4-yl)-1-N,1-N-diethylpentane-1,4-diamine) on the corrosion of aluminium in 1.0 M HCl and the frontier Molecular Orbital generated using DFT method.

 

 

 

Isaiah A. Adejoro

Damilola C. Akintayo

Collins U. Ibeji

 

JJC, 2016, 11(1), 38-49

Adsorption of p-phenylenediamine onto activated carbon prepared from jatropha curcas and terminalia catappa seed coats

 

 

Ismaila O. Saheed Folahan A. Adekola Gabriel A. Olatunji

 

JJC, 2016, 11(1), 50-67

Poly(4-vinylpyridine)/ICl: An efficient system for the

regioselective iodination of activated aromatic compounds

 

 

Jalal Albadi

Azam Mansournezhad

 

JJC, 2016, 11(1), 68-76