Original Research Article Organic chemistry
Electrocatalytic multicomponent assembling of aldehydes, dimedone and 1-naphthylamine for synthesis of novel tetrahydrobenzo[c]acridin-8(7H)-one derivatives

Mohammad Reza Poor Heravi; Hassan Karami; Bagher Mohammadi; Vahid Azizkhani

Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, Pages 90-98

https://doi.org/10.30473/icc.2018.4162

Abstract
  An efficient and convenient synthesis of novel tetrahydrobenzo[c]acridin-8(7H)-one derivatives is described using the electrogenerated anion of acetonitriles as the base in the presence of tetrabutylammonium fluoride as an effective supporting electrolyte in a one-pot, three-component condensation of ...  Read More

Electrocatalytic multicomponent assembling of aldehydes, dimedone and 1-naphthylamine for synthesis of novel tetrahydrobenzo[c]acridin-8(7H)-one derivatives


Original Research Article Organic chemistry
A mild protocol for the preparation of 2-amino-dihydropyrano[3,2-b] pyran-3-carbonitriles via cobalt nanoparticles-catalyzed multi-component reaction in water

Sayed Hossein Banitaba

Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, Pages 99-111

https://doi.org/10.30473/icc.2018.4164

Abstract
  An improved rapid one-pot and green synthesis of substituted pyranopyranes by condensing Kojic acid, malononitrile, and different aldehydes and using a catalytic amount of cobalt nanoparticles as green and reusable catalyst is reported for the first time. The reaction proceeds in aqueous media at ambient ...  Read More

A mild protocol for the preparation of 2-amino-dihydropyrano[3,2-b] pyran-3-carbonitriles via cobalt nanoparticles-catalyzed multi-component reaction in water


Original Research Article Organic chemistry
Application of nano TiO2@KSF as an efficient and reusable catalyst for the synthesis of pyrano-pyrimidines

Masoud Mohammadi Zeydi; Mahdi Fouladi; Mahnaz Shamsi-Sani; Nosrat Ollah Mahmoodi

Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, Pages 112-117

https://doi.org/10.30473/icc.2018.4175

Abstract
  In this work, Nano TiO2@KSF used as an efficient, homogeneous and reusable catalyst for the synthesis of pyrano[2,3-d]-pyrimidinone derivatives via three-component reactions between malononitrile, barbituric acid and various aldehydes in water. The products were formed in high yields within short reaction ...  Read More

Application of nano TiO2@KSF as an efficient and reusable catalyst for the synthesis of pyrano-pyrimidines


Original Research Article Organic chemistry
Green and efficient synthesis of propargylamines via A3 coupling reaction using a copper (II)–thioamide combination

Hamid Saeidian; Masomeh Faghfori; Morteza Abdoli

Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, Pages 118-125

https://doi.org/10.30473/icc.2018.4607

Abstract
  A one pot green three‐component coupling reaction of aldehyde, phenylacetylene, and amine derivatives in the presence of copper (II)–thioamide combination as a novel and efficient heterogeneous catalyst under solvent–free conditions is reported. The catalyst displayed high activity and ...  Read More

Green and efficient synthesis of propargylamines via A3 coupling reaction using a copper (II)–thioamide combination


Original Research Article Analytical chemistry
Disposable single-use electrochemical sensor: A novel hollow fiber based tool for environmental monitoring of cadmium

Fatemeh Moeinpour; Zarrin Eshaghi

Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, Pages 126-138

Abstract
  The objective of this study is to design a simple, fast, sensitive and single-use electrode with the simultaneous capability of preconcentration and measuring, for application in a three-electrode voltammetry system to identify and measure the heavy metal cadmium. The design process of this sensor consists ...  Read More

Disposable single-use electrochemical sensor: A novel hollow fiber based tool for environmental monitoring of cadmium


Original Research Article Organic chemistry
Phthalimide-N-sulfonic acid and Isatin-N-sulfonic acid as highly efficient catalysts for the synthesis of bis-coumarins

Abdolkarim Zare; Jalal Sanjideh

Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, Pages 139-145

https://doi.org/10.30473/icc.2018.4612

Abstract
  Two highly efficient protocols for the production of bis-coumarins under solvent-free conditions have been introduced. The reaction of 4-hydroxycoumarin (2 eq.) with arylaldehydes (1 eq.) using phthalimide-N-sulfonic acid (PhtSA) or isatin-N-sulfonic acid (IsSA), as solid-acid catalysts, afforded the ...  Read More

Phthalimide-N-sulfonic acid and Isatin-N-sulfonic acid as highly efficient catalysts for the synthesis of bis-coumarins


Original Research Article Organic chemistry
Turmeric extract as a biocompatible inhibitor of mild steel corrosion in 3.5% NaCl solution

Milad Edraki; Issa Mousazadeh Moghadam; Mohammad Banimahd Keivani; Mohammad Hossein Fekri

Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, Pages 146-159

https://doi.org/10.30473/icc.2018.42617.1486

Abstract
  Corrosion inhibitory impacts of turmeric with concentrations of 200-800 ppm on the electrochemical behavior of mild steel were studied in the medium of NaCl 3.5% using several techniques such as electrochemical impedance spectroscopy (EIS) and polarization. Scanning electron microscopy (SEM) was used ...  Read More

Turmeric extract as a biocompatible inhibitor of mild steel corrosion in 3.5% NaCl solution