Original Research Article Organic chemistry
1. One-pot and one-step novel N-methylation of 2,6-diaminopyridine

Mehdi Nabati; Mehrdad Mahkam

Volume 2, Issue 3, pp. 162-231, Serial No. 4 , Summer 2014, Pages 162-167

Abstract
  2,6-diaminopyridine is extensively used as a pharmaceutical intermediate and a hair dye coupler as oxidation formulations. It is soluble in protic solvents. Primary and secondary amines are N-methylated by various methods such as direct alkylation of amines with Hofmann mechanism, but in many of these ...  Read More

One-pot and one-step novel N-methylation of 2,6-diaminopyridine


Short communication Organic chemistry
2. 1-Carboxymethyl-3-methylimidazolium chloride {[cmmim]Cl} as an efficient catalyst for the solvent-free synthesis of bis(indolyl)methanes

Ahmad Reza Moosavi-Zare; Mahdi Pouraskar-Borazjani; Zahra Naz

Volume 2, Issue 3, pp. 162-231, Serial No. 4 , Summer 2014, Pages 168-172

Abstract
  1-Carboxymethyl-3-methylimidazolium chloride {[cmmim]Cl} is utilized as a highly efficient and reusable catalyst for the synthesis of bis(indolyl)methanes by the condensation reaction of indole with arylaldehydes under solvent-free conditions at room temperature. In summary, the presented method have ...  Read More

1-Carboxymethyl-3-methylimidazolium chloride {[cmmim]Cl} as an efficient catalyst for the solvent-free synthesis of bis(indolyl)methanes


Short communication Physical chemistry
3. Effects of structure and number of Heteroatom on the π-π stacking interactions of benzene with N-substituted coronenes: A theoretical study

Pouya Karimi; Mahmoud Sanchooli

Volume 2, Issue 3, pp. 162-231, Serial No. 4 , Summer 2014, Pages 173-179

Abstract
  Stability of the π-π stacking interactions in the Ben||N-substituted-coronene complexes was studied using the computational quantum chemistry methods (where Ben is benzene and || denotes π-π stacking interaction, and N-substituted-coronene is coronene molecule which substituted with different ...  Read More

Effects of structure and number of Heteroatom on the π-π stacking interactions of benzene with N-substituted coronenes: A theoretical study


Short communication Organic chemistry
4. Ag nanoparticle/melamine sulfonic acid supported on silica gel as an efficient catalytic system for synthesis of dihydropyrimidin thiones

Parya Nasehi; Alireza Kiasat; Mohammad Kazem Mohammadi

Volume 2, Issue 3, pp. 162-231, Serial No. 4 , Summer 2014, Pages 180-186

Abstract
  3,4-dihydropyrimidin-2(1H)-thiones were synthesized in the presence of Ag nanoparticle/melamine sulfonic acid (MSA) supported on silica gel. The reaction was carried out at 110 oC for 20 min under solvent free conditions. In all cases, the three component reaction proceeded smoothly to give the corresponding ...  Read More

Ag nanoparticle/melamine sulfonic acid supported on silica gel as an efficient catalytic system for synthesis of dihydropyrimidin thiones


Original Research Article Organic chemistry
5. Caesium carbonate as a highly efficient catalyst for the synthesis of macrocyclic diamides

Esmael Rostami; Maryam Bagherzadeh; Akram Khodadadi; Ay Soda Ghobadpoor; Fatemeh Dehghani; Zahra Heidari; Mahmood Feraidooni; Zahra Abshirini; Fatemeh Tavazo; Zahra Keshvarz

Volume 2, Issue 3, pp. 162-231, Serial No. 4 , Summer 2014, Pages 187-195

Abstract
  In this research work, we report the synthesis of macrocyclic diamides from the reaction of diesters and aliphatic diamines in the presence of caesium carbonate. It has been demonstrated that among the carbonate of alkali metals (Li2CO3, Na2CO3, K2CO3 and CS2CO3), CS2CO3 appear to be the best catalyst ...  Read More

Caesium carbonate as a highly efficient catalyst for the synthesis of macrocyclic diamides


Original Research Article Applied Chemistry
6. Synthesis, characterization and swelling behavior investigation of gelatin-g-Poly(Acrylic Acid-co-Itaconic Acid)

Hossein Hosseinzadeh; Mojtaba Abbasian; Shadi Hassanzadeh

Volume 2, Issue 3, pp. 162-231, Serial No. 4 , Summer 2014, Pages 196-208

Abstract
  A novel pH-responsive superabsorbent hydrogel based on gelatin was prepared through crosslinking copolymerization of poly (acrylic acid) and poly (itaconic acid). The copolymerization conditions including monomers, initiator, gelatin and crosslinker concentration, reaction temperature, and neutralization ...  Read More

Synthesis, characterization and swelling behavior investigation of gelatin-g-Poly(Acrylic Acid-co-Itaconic Acid)


Original Research Article Nanochemistry
7. The computational study of adsorption of carbon monoxide on pristine and Ge-doped (6,0) zigzag models of BNNTs

Mahdi Rezaei Sameti; Nina Alisafarzadeh

Volume 2, Issue 3, pp. 162-231, Serial No. 4 , Summer 2014, Pages 209-221

Abstract
  The aim of this research is studying the effects of Ge-doped on CO adsorption on the outer and inner surfaces of (6, 0) zigzag model of boron nitride nanotube (BNNTs) by using DFT theory. For this purpose, eight models of CO adsorption on the surfaces of BNNTs are considered. At first step, all structures ...  Read More

The computational study of adsorption of carbon monoxide on pristine and Ge-doped (6,0) zigzag models of BNNTs


Original Research Article Analytical chemistry
8. The effect of sulfuric acid on pore initiation in anodic alumina formed in oxalic acid

Behnam Hafezi

Volume 2, Issue 3, pp. 162-231, Serial No. 4 , Summer 2014, Pages 222-231

Abstract
  In this work, a tracer study on pore initiation in anodic alumina in oxalic acid was performed. Effects of some experimental parameters such as applied electrical potential, electrolyte composition and heat pretreatment were evaluated. Electrochemical and morphological experiments were performed using ...  Read More

The effect of sulfuric acid on pore initiation in anodic alumina formed in oxalic acid