Phosphoramidite are the DNA building blocks. For the DNA synthesis to proceed it is necessary to block or protect all the nucleophilic centres not involved in the reaction at each step of the synthesis. The commonly used DNA protecting groups includes; dimethoxytrityl (DMT) which...
Open access
Research Article10.9734/IRJPAC/2016/30132
In this study, we analyzed in a theoretical form the behavior of 2-nitrofuran and 3-nitrofuran acting as dienophilic electrophiles in polar cycloaddition reactions joint to different dienes. The reactivity and regioselectivity was discussed employing global and local reactivity i...
Open access
Research Article10.9734/IRJPAC/2016/30222
A 2-pyrazoline based bi dentate ligand 3-(2-thiophen-2-yl)-5-(4-bromophenyl)-1-carbothiomyl-2-pyrazoline has been synthesized by Claisen-Schmidt condensation of 2-acetylthiophene with 4-bromo benzaldehyde followed by cyclization of the resulting chalcone with thiosemicarbazide. T...
Open access
Research Article10.9734/IRJPAC/2016/29451
Being toxic, Congo red is one of the most important dyes to be treated before being disposed of into waters. In the present study, dried powdered branches and leaves from an ornamental plant (Polyalthia longifolia) have been investigated for the biosorptive removal of Congo red d...
Open access
Research Article10.9734/IRJPAC/2016/29758
Ultrasonic velocity (u), density (r), refractive index (n) and relative viscosity (hr) measurements were carried out for ranitidine hydrochloride in aqueous-sodium chloride/sucrose solutions at 30°C in order to understand the effect of electrolyte and non-electrolyte on physicoch...
Open access
Research Article10.9734/IRJPAC/2016/29691
The crystal structures and crystal chemistry of Cs2Mg(CrO4)2·6H2O and of twelve representatives along the Rb2Mg(Cr1‑xSxO4)2×6H2O solid solution series, including the two endmembers, were studied using single crystal X-ray diffraction data. The Rb2Mg(Cr1‑xSxO4)2×6H2O system seems...
Open access
Research Article10.9734/IRJPAC/2016/29171
Many biomedical applications including controlled drug delivery systems have been developed based on hydrogel technologies. Different composite hydrogels including synthetic and natural polymers can be produced to controllable systems in drug deliver application. In this study, p...
Open access
Research Article10.9734/IRJPAC/2016/28989
Transition metals complexes with a given structure could be alternatives in treatment of some incurable diseases because the coordination of active ingredients modifies deeply the physiological properties of metals and of ligands. This work is a theoretic study of the coordinatio...
Open access
Research Article10.9734/IRJPAC/2016/29063
Mononuclear complexes of Zn(II) N,N’ coordinated with phendione and phendioxime and polynuclear of Ni(II), Cu(II) and Zn(II) complexes of the phendioxime were synthesized and characterized by direct and template method. Ni(II), Cu(II) and Zn(II) species coordinated by N,N’ of the...
Open access
Research Article10.9734/IRJPAC/2016/18137
A quantum chemical study of the efficiency of some Triazolopyrimidine derivatives as corrosion inhibitors of mild steel in H2SO4 was investigated. The AM1 semi-empirical method and Density Functional Theory (DFT) at the B3LYP/6-31G* level were used. The calculated quantum chemica...
Open access
Research Article10.9734/IRJPAC/2016/28357