Short communication Organic chemistry
1. Ultrasound assisted oxidation of various alcohols to corresponding aldehydes by using Al2O3 as catalyst

Sadegh Rahmati; Ardeshir Khazaei; Maryam Golbaghi; Mohammad Panahimehr

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 109-113

Abstract
  A convenient approach for oxidation of structurally diverse alcohols has been developed using KMnO4 as oxidant agent in the presence of a catalytic amount of Al2O3 in aqueous acetonitrile. In this method various alcohols generally afforded the corresponding carbonyl compounds directly in good to high ...  Read More

Ultrasound assisted oxidation of various alcohols to corresponding aldehydes by using Al2O3 as catalyst


Original Research Article Organic chemistry
2. Petra, osiris and molinspiration: A computational bioinformatic platform for experimental in vitro antibacterial activity of annulated uracil derivatives

Ajmal R Bhat

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 114-124

Abstract
  Annulated pyrano[2,3-d]pyrimidine/pyrano[2,3-d]uracil derivatives were synthesized using aromatic aldehydes, active methylene compounds and barbituric acid in presence of dibutylamine (DBA) catalyst in ethanol as solvent. The different substituents on phenyl ring in the fused pyrano uracil skeleton showed ...  Read More

Petra, osiris and molinspiration: A computational bioinformatic platform for experimental in vitro antibacterial activity of annulated uracil derivatives


Original Research Article Organic chemistry
3. Efficient one-pot synthesis of 6-amino-4-aryl-5-cyano-2-methyl-4H-pyran-3-carboxylates catalyzed by nano MgO in water

Maryam Sojoudi; Masoud Mokhtary

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 125-133

Abstract
  Water is a versatile solvent in many ways, and in this sense performing organic reactions in this medium is now of great interest. The one-pot reaction of ethyl acetoacetate or benzyl acetoacetate, with benzaldehydes and malononitrile to provide some novel 6-amino-4-aryl-5-cyano-2-methyl-4H-pyran-3-carboxylates ...  Read More

Efficient one-pot synthesis of 6-amino-4-aryl-5-cyano-2-methyl-4H-pyran-3-carboxylates catalyzed by nano MgO in water


Original Research Article Organic chemistry
4. One-pot multicomponent click synthesis of some novel 1,4-disubstituted-1H-1,2,3-triazoles from alkenes

Mosadegh Keshavarz

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 134-142

Abstract
  A facile and one-pot multicomponent synthesis of novel 1,4-disubstituted-1H-1,2,3-triazoles from alkenes at room temperature is reported. At the first step, in the presence of I2/NaN3 reagents, various alkenes were converted to the corresponding azido iodides and in the next step, the reaction of these ...  Read More

One-pot multicomponent click synthesis of some novel 1,4-disubstituted-1H-1,2,3-triazoles from alkenes


Original Research Article Organic chemistry
5. Isolation and identification macrocyclic spermine alkaloid(protoverbine) from verbascum speciosum.

Majid Halimi; Malihe Nasrabadi

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 143-147

Abstract
  The 17-membered macrocyclic spermine alkaloid protoverbine (8-phenyl-1,5,9,13-tetra azacycloheptadecan-6-one) was isolated From the aerial part of verbascum speciosum. The natural polyamines are ubiquitous bases reported to have several important functions in animals, plants and microorganisms. They ...  Read More

Isolation and identification macrocyclic spermine alkaloid(protoverbine) from verbascum speciosum.


Original Research Article Analytical chemistry
6. Adsorption of Pb(II) by activated carbon prepared from Melia azedarach fruit: Equilibrium and thermodynamics

Fatemeh Sabermahani; Nosrat Madadi Mahani; Neda Pourgholamrezazadeh

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 148-159

Abstract
  In this work, a low-cost activated carbon as well as non-hazardous material, with high adsorption capacity, was prepared from Melia azedarach fruit (MF) by ZnCl2 activation for the removal of Pb(II) toxic metal from aqueous solutions. The microstructure of the activated carbon was observed by Scanning ...  Read More

Adsorption of Pb(II) by activated carbon prepared from Melia azedarach fruit: Equilibrium and thermodynamics


Original Research Article Applied Chemistry
7. Investigation of structural, morphological and dynamic mechanical properties of unvulcanized PDMS/silica compound

Liu Jiesheng; Li Faping; Xing Shanshan; He Xiang

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 160-168

Abstract
  In this study, the interaction between the silica filler and polydimethylsiloxanes (PDMS) was investigated from the aspects of the bound rubber and morphological characterization. With special attention to the dynamic properties, the dynamic test was conducted by dynamic shear rheometer. The results ...  Read More

Investigation of structural, morphological and dynamic mechanical properties of unvulcanized PDMS/silica compound


Original Research Article Organic chemistry
8. The zinc chromium ferrite magnetic nanoparticles ZnCrFeO4: An efficient catalyst for acetylation of alcohols, phenols and amines under solvent-free conditions

Nahid Rasouli; Maryam Movahedi; Elaheh Aghabeikzadeh Naeini

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 169-179

Abstract
  In this study, the zinc chromium ferrite magnetic nanoparticles ZnCrFeO4 are synthesized via sol-gel method and characterized by X-ray diffraction (XRD) analysis, Fourier transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM). The XRD analysis showed that ZnCrFeO4 has single-phase ...  Read More

The zinc chromium ferrite magnetic nanoparticles ZnCrFeO4: An efficient catalyst for acetylation of alcohols, phenols and amines under solvent-free conditions


Original Research Article Organic chemistry
9. Mn (III) salen complex supported on graphene oxide nanosheets as a highly selective and recoverable catalyst for the oxidation of sulfides

Ali Allahresani

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 180-191

Abstract
  In this study, Mn (III) salen complex was synthesized and immobilized onto the graphene oxide, which is modified by 3-chloropropyltrimethoxy silane. Heterogeneous catalyst was characterized by X-ray diffraction, transmission electron microscopy, thermogravimetric analysis, fourier transform infrared ...  Read More

Mn (III) salen complex supported on graphene oxide nanosheets as a highly selective and recoverable catalyst for the oxidation of sulfides


Original Research Article Organic chemistry
10. Design, preparation and characterization of a novel BiFeO3/CuWO4 heterojunction catalyst for one-pot synthesis of trisubstituted imidazoles

Hamed Ramezanalizadeh

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 192-208

Abstract
  In this work a novel heterojunction catalyst have been synthesized and employed as a highly efficient catalyst for one-pot synthesis of substituted imidazoles. Analytical methods including Fourier transform infrared (FT-IR), diffuse reflectance spectroscopy (DRS), X-ray diffraction (XRD), Energy- dispersive ...  Read More

Design, preparation and characterization of a novel BiFeO3/CuWO4 heterojunction catalyst for one-pot synthesis of trisubstituted imidazoles


Original Research Article Physical chemistry
11. Volumetric properties of high temperature, high pressure supercritical fluids from improved van der Waals equation of state

Ahmad Razavizadeh; Fahimeh Alirezapoor

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , Spring 2018, Pages 209-217

Abstract
  In the present work, a modified equation of state has been presented for the calculation of volumetric properties of supercritical fluids. The equation of state is van der Waals basis with temperature and density-dependent parameters. This equation of state has been applied for predicting the volumetric ...  Read More

Volumetric properties of high temperature, high pressure supercritical fluids from improved van der Waals equation of state