Original Research Article Organic chemistry
1. N,N,N,N-Tetramethylguanidinium acetate as an efficient and reusable ionic liquid catalyst for the one-pot synthesis of dihydropyrrol-2-ones

Seyed Sajad Sajadikhah

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 121-128

Abstract
  An extremely facile and efficient procedure which has been developed for the synthesis of dihydropyrrol-2-ones. One-pot four-component reaction of amines, dialkyl acetylenedicarboxylates and formaldehyde in the presence of N,N,N,N-tetramethylguanidinium acetate [TMG][Ac] in methanol at ambient temperature ...  Read More

N,N,N,N-Tetramethylguanidinium acetate as an efficient and reusable ionic liquid catalyst for the one-pot synthesis of dihydropyrrol-2-ones


Original Research Article Organic chemistry
2. Magnetic nanoparticle immobilized N-propylsulfamic acid: The efficient, green and reusable nanocatalyst for the synthesis of substituted coumarins

Hassan Ghasemnejad-Bosra; Amin Rostami

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 129-137

Abstract
  N-Propylsulfamic acid supported onto magnetic Fe3O4 nanoparticles (MNPs-PSA) was investigated as an efficient and magnetically recoverable catalyst for the one-pot synthesis of substituted coumarins from the reaction of coumarin with variety aromatic aldehydes in high to excellent yield at room temperature ...  Read More

Magnetic nanoparticle immobilized N-propylsulfamic acid: The efficient, green and reusable nanocatalyst for the synthesis of substituted coumarins


Original Research Article Applied Chemistry
3. Sliding wear behaviour of walnut shell powder filled vinyl Ester/ WSP green composites

Shahryar Pashaei; Soleyman Hosseinzadeh

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 138-146

Abstract
  Polyvinyl ester green composites were synthesized with walnut shell powder (WSP) by in-situ polymerization technique. The green composites have been evaluated for mechanical properties such as tensile strength, tensile modulus and hardness. Sliding wear loss, specific wear rate and coefficient of friction ...  Read More

Sliding wear behaviour of walnut shell powder filled vinyl Ester/ WSP green composites


Original Research Article Organic chemistry
4. A Facile and environmental friendly method for C=N bond cleavage of imines using p-toluenesulfonic acid in solid State

Gholamhassan Imanzadeh; Hamideh Vakili

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 147-155

Abstract
  A simple, efficient and clean procedure has been developed for the cleavage of imines C=N bond. Deprotection of imines to their parent carbonyl and amine compounds was achieved using p-toluenesulfonic acid in the solid state condition at 25-45 ˚C. The salient features of this methodology are shorter ...  Read More

A Facile and environmental friendly method for C=N bond cleavage of imines using p-toluenesulfonic acid in solid State


Original Research Article Organic chemistry
5. A clean and highly efficient synthesis of oxindole substituted pyrrolo[2,3-d]Pyrimidines under ultrasound irradiation

Seyyedeh Cobra Azimi; Kurosh Rad-Moghadam

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 156-166

Abstract
  A practical and new method for the synthesis oxindole substituted pyrrolo[2,3-d]pyrimidines by the condensation of isatin, acetophenone and 6-amino-uracil under ultrasound irradiation conditions at 60 °C was described. The reaction was developed via a sequential tandem process to afford the oxindole ...  Read More

A clean and highly efficient synthesis of oxindole substituted pyrrolo[2,3-d]Pyrimidines under ultrasound irradiation


Short communication Organic chemistry
6. Highly efficient synthesis of tetrahydrobenzo[b]pyrans under visible light promoted by cesium carbonate

Vinod Kamble; Munazza Sadaf; Bushra Saleh

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 167-172

Abstract
  Multi-component coupling reaction (MCR) is a powerful synthetic tool for the synthesis of biologically active compounds. Development of such multi-component coupling reaction strategies in visible light has been of considerable interest, as they provide simple and rapid access to a large number of organic ...  Read More

Highly efficient synthesis of tetrahydrobenzo[b]pyrans under visible light promoted by cesium carbonate


Original Research Article Nanochemistry
7. Development and application of a new sensitive spectrophotometric-multivariate calibration method to the simultaneous determination of hydrazine and acetylhydrazine using silver nanoparticles

Professor Mohammad Ali Karimi; Malihe Alsadat Mozaheb; Abdolhamid Hatefi-Mehrjardi; Hossein Tavallali; Abdol Mohammad Attaran

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 173-185

Abstract
  In this paper, multivariate calibration methods of partial least squares (PLS) and principle component regression (PCR) were investigated in simultaneously determination of hydrazine (HZ) and acetylhydrazine (AHZ). The aforementioned methods are based on formation of the silver nanoparticles (AgNPs) ...  Read More

Development and application of a new sensitive spectrophotometric-multivariate calibration method to the simultaneous determination of hydrazine and acetylhydrazine using silver nanoparticles


Original Research Article Organic chemistry
8. New 16-membered macrocyclic Schiff base: Synthesis, structural and FT-IR studies

Aliakbar Dehno Khalaji; Salar Hafez Goran; Sepideh Mehrani; Karla Fejfarova; Michal Dusek

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 186-194

Abstract
  In this paper, the structure of a new 16-membered macrocyclic Schiff base compound N,N′-(3,3′-dimethoxy-2,2′-(propane-1,3-diyldioxy)dibenzylidene)propane-1,3-diamine, C22H26N2O4 (1), derived from 1,3-propanediamine and 3,3′-dimethoxy-2,2′-(propane-1,3-diyldioxy)dibenzaldehyde ...  Read More

New 16-membered macrocyclic Schiff base: Synthesis, structural and FT-IR studies


Original Research Article Organic chemistry
9. Design, synthesis and anticancer evaluation of novel thiazine, pyrimidine and pyridine derivatives

Amira A. Ghoneim; Mohamed G. Assy; Enaiat K. Mohamed; Islam Ragab

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 195-206

Abstract
  Acylisothiocyanate (1) was allowed to react with benzylidene malononitrile producing oxazine derivative (2). Also, compound (1) was reacted with sodium azide followed by refluxing with sodium ethoxide affording thiazinotetrazole derivative (4). The reaction of acetylacetone with compound (1) gave pyridine ...  Read More

Design, synthesis and anticancer evaluation of novel thiazine, pyrimidine and pyridine derivatives


Original Research Article Analytical chemistry
10. Wavelength region selection and spectrophotometric simultaneous determination of naphthol isomers based on net analyte signal

Ahmadreza Amraei; Ali Niazi; Mohammad Alimoradi

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 207-216

Abstract
  Naphthol isomers were simultaneously and spectrophotometrically determined in wastewater, using a model based on net analyte signal (NAS). The calibration method used is a variation of the original hybrid linear analysis method as proposed by Goicoechea and Olivieri (HLA/GO). Owing to spectral interferences, ...  Read More

Wavelength region selection and spectrophotometric simultaneous determination of naphthol isomers based on net analyte signal


Original Research Article Organic chemistry
11. Electron as potential and green catalyst in the multicomponent synthesis of pyrano [2, 3-d] pyrimidine derivatives

Hojat Veisi; Abbas Maleki; Yasaman Farokhzad

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 217-226

Abstract
  An electroorganic reaction for the synthesis of 7-amino-2, 4-dioxo-5-phenyl-2,3,4,5-tetrahydro-1H-pyrano[2, 3-d] pyrimidine-6-carbonitrile and ethyl-7-amino-2, 4-dioxo-5-phenyl-2,3,4,5-tetrahydro-1H-pyrano[2, 3-d] pyrimidine-6-carboxylate derivatives are described, using an electrogenerated base of the ...  Read More

Electron as potential and green catalyst in the multicomponent synthesis of pyrano [2, 3-d] pyrimidine derivatives


Original Research Article Organic chemistry
12. Guanidine hydrochloride: An efficient catalyst for the synthesis of 2-hydrazolyl-4-thiazolidinone derivatives under solvent free conditions

Shivaji Sandu Pandit; Sonali Shivaji Pardhe; Yashwant Bhaskar Pandit

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , Spring 2017, Pages 227-236

Abstract
  A Highly efficient protocol has been developed for the synthesis of 2-hydrazolyl-4-thiazolidinone derivatives installing a one pot three component coupling reaction of an aromatic aldehyde, thiosemicarbazide and maleic anhydride using guanidine hydrochloride as highly inexpensive and environmentally ...  Read More

Guanidine hydrochloride: An efficient catalyst for the synthesis of 2-hydrazolyl-4-thiazolidinone derivatives under solvent free conditions