Volume 21 Issue 8

Published: 2025-06-25

Contents


Article
Synthesis of some Fused Heterocyclic Compounds from α-Bromo Tetralone and Indanone

Akram N. Mohammad, Ahlam M.N. Yahya,

A number of heterocyclic compounds (7-14) were prepared by the reaction of -bromo ketones (3,4) with 2-amino-5-phenyl-1,3,4(thiadiazole or oxadiazole) and 5-phenyl-1,3,4-triazole-2-thiol....

DOI: 10.33899/rjs.2010.36837

Pages: 39-48
Spectrophotometric Determination of Vitamin B6 by Coupling with Diazotized p-Nitroaniline

Asma N. Abdul Kadir

A spectrophotometric method has been described for the determination of pyridoxine hydrochloride (vitamin B6) in pure and pharmaceutical preparations. The method is based on coupling reaction of...

DOI: 10.33899/rjs.2010.36845

Pages: 49-59
Determination of Catechol Using Flow Injection -Electrochemical Detection with Banana Paste Electrode: Application to Adrenaline Determination

Yousra M. Al. Shaker, Amer T. Al-Taee, Wadala A. Bashir,

This work involves indirect determination of catechol compounds using flow-injection electrochemical detector. The detector based on the three-electrodes system, banana paste [which contained the...

DOI: 10.33899/rjs.2010.36862

Pages: 60-70
Isolation and Identification of Wide-Spectrum Antifungal Bacteria

Omar M. Al-Obaidy,

A type of bacteria was isolated from garden soils (rhizosphere soils of some garden plants) that showed a great antagonistic activities toward different phytopathogenic and even human and...

DOI: 10.33899/rjs.2010.6906

Pages: 1-10
Synthesis of Five Membered Heterocycles Using Microwaves Technique

Moayed S. AL. Gawady

A series of N-(5-substituted 1,3,4thiadiazol-2-yl maleimides (14-18) were prepared by cyclization of corresponding maleamic acids (7-12).These acids were prepared by the reaction of...

DOI: 10.33899/rjs.2010.36830

Pages: 30-38
Measurement of Glutamate-Oxalacetate Transaminase Activity in Human Blood Serum Using Differential Pulse Anodic Stripping Voltammetry

Ramiz S. Alkasir, Haitham A. Al-Wahab, Saadallah T. Sulaiman,

A new electrochemical method for measuring the activity of glutamate-oxalacetate transaminase (GOT) in human blood serum was developed based on the appearance of a voltammetric peak current of...

DOI: 10.33899/rjs.2010.36779

Pages: 11-18
A New Approach for Evaluation of the Hubble and the Deceleration Parameters

Aziz J. Abdel-Kadder, Nazzeha A. Daod, Mohammed K. Zeki,

In this work we studied the dependence of the Cosmological parameters (the Hubble H(t) and deceleration q(t) parameters) on the red shift through the scale factor R(t), so we obtained two relations...

DOI: 10.33899/rjs.2010.36885

Pages: 71-76
Synthesis and Cyclization of some N-(2-Pyridyl) Anthranilic Acids

Azam A. AL-Hadedi, Rafid K. Jameel

A series of N-(2-Pyridyl) anthranilic acids (Ia-f) have been synthesized by Ullmann reaction. Cyclization of (Ib,d,f) by phosphorusoxy chloride (POCl3) gives substituted 5-chlorobenzo [b][1,8]...

DOI: 10.33899/rjs.2010.36807

Pages: 19-29