Volume 8 (2020)
Volume 7 (2019)
Volume 6 (2018)
Volume 5 (2017)
Volume 4 (2016)
Volume 3 (2015)
Volume 2 (2014)
Main Subjects = Organic chemistry
Number of Articles: 126
Cataliticoxidation of benzyl alcohol by Cu(II) polypyridyl complexes
Volume 8, Issue 1 , January 2020, , Pages 1-6
Abstract
Two polypyridyl copper(II) complexes, [Cu(phen)(phen-dione)Cl]Cl (1) and [Cu(bpy) (phen-dione)Cl]Cl (2), (where Phen =1,10-phenanthroline, bpy =2,2'-bipyridine and Phen-dione = 1,10-phenanthroline-5,6-dione), were used as efficient catalysts for the oxidation of benzyl alcohol to benzaldehyde. The effects ... Read More pol ... ', 'data/icc/coversheet/461570340737.png'))
Synthesis of 2-aryl-1H-benzo[d]imidazole derivatives using nano montmorillonite clay as an efficient catalyst
Volume 8, Issue 1 , January 2020, , Pages 42-48
Abstract
Benzimidazoles are among the most important nitrogen-containing heterocyclic compounds that have many pharmaceutical applications; including, antitumor, anticancer, anticorrosive, antibacterial, irritant and enzymatic interceptors. In this research, the synthesis of benzimidazoles using o-phenylenediamine ... Read More![Synthesis of 2-aryl-1H-benzo[d]imidazole derivatives using nano montmorillonite clay as an efficient catalyst](javascript:loadModal('Synthesis of 2-aryl-1H-benzo[d]imidazole derivativ ... ', 'data/icc/coversheet/341575569628.png'))
Ionic liquid anchored to silica (nano-SB-[PSIM]Cl): a highly efficient nanocatalyst for the solvent-free preparation of 1-thioamidolakyl-2-naphthols
Volume 8, Issue 1 , January 2020, , Pages 49-57
Abstract
Nano-silica-bonded 3-n-propyl-1-sulfonic acid imidazolium chloride (nano-SB-[PSIM]Cl) was applied as a highly efficient, general and heterogeneous catalyst for one pot multi-component reaction of 2-naphthol, arylaldehydes, and thioacetamide leading to 1-thioamidolakyl-2-naphthols. All reactions proceeded ... Read More![Ionic liquid anchored to silica (nano-SB-[PSIM]Cl): a highly efficient nanocatalyst for the solvent-free preparation of 1-thioamidolakyl-2-naphthols](javascript:loadModal('Ionic liquid anchored to silica (nano-SB-[PSIM]Cl) ... ', 'data/icc/coversheet/11575572941.png'))
A green and highly effective protocol for the synthesis of N,N′-alkylidene bisamides using saccharin-N-sulfonic acid
Volume 8, Issue 1 , January 2020, , Pages 58-66
Abstract
A green and highly effective solvent-free protocol has been reported for the synthesis of N,N′-alkylidene bisamides via the reaction of arylaldehydes (1 eq.) with primary amides (2 eq.) in the presence of saccharin-N-sulfonic acid (SaSA) as a solid-acid catalyst. The mentioned compounds have been ... Read More)
An efficient and one-pot green synthesis of 2-arylsubstituted benzimidazoles catalyzed by nano-Fe3O4@silica sulfuric acid as a recyclable nanomagnetic solid acid catalyst
Volume 8, Issue 1 , January 2020, , Pages 80-91
Abstract
An efficient and green protocol for the synthesis of 2-arylsubstituted benzimidazoles via a condensation reaction of aromatic aldehydes and 1,2-phenylenediamine using nano-Fe3O4@SiO2-SO3H as a solid acid catalyst in ethanol under reflux conditions has been described. The reactions are completed in short ... Read More)
Friedel-Crafts alkylation of indoles with epoxides using PW12-APTES@SBA-15
Volume 7, Issue 4. pp. 230-306, Serial No. 25 , October 2019, , Pages 230-238
Abstract
H3PW12O40 (PW12) was immobilized over mesoporous alumina through the reaction of mesoporous alumina functionalized 3-aminopropyl triethoxy silane (3-APTES) and PW12. The surface properties of the functionalized nanocomposite was analyzed by a series of characterization techniques like elemental analysis, ... Read More)
Cyanation and bromination of electron-rich aromatics by BrCN under solvent-free conditions catalyzed by AlCl3: A new examples of Beckmann-type rearrangement
Volume 7, Issue 4. pp. 230-306, Serial No. 25 , October 2019, , Pages 251-263
Abstract
A convenient route for cyanation and bromination of some electron-rich aromatics (anisole, 1,3-dimethoxybenzene, 1,4-dimethoxybenzene, 1,3,5-trimethoxybenzene and β-naphthol) by BrCN in the presence of aluminum trichloride (AlCl3), as catalyst, by grinding method under solvent-free conditions at ... Read More)
Synthesis, characterization, antibacterial activity and molecular modeling studies of Ni(II) and Zn(II) complexes with phenylpyridylformamidine ligand
Volume 7, Issue 4. pp. 230-306, Serial No. 25 , October 2019, , Pages 264-271
Abstract
The Ni(II) and Zn(II) complexes with phenylpyridylformamidine (PhPyF) ligand, [Ni(PhPyF)Cl2] and [Zn(PhPyF)Cl2], have been prepared and investigated using different chemical techniques such as elemental analysis, molar conductance, FT-IR, UV-vis spectra and magnetic moment. The obtained chemical analysis ... Read More)
Development of ultrasound-assisted emulsification microextraction for the determination of trace zinc and copper by flame atomic absorption spectrometry
Volume 7, Issue 4. pp. 230-306, Serial No. 25 , October 2019, , Pages 285-294
Abstract
In this work, we developed a method based on ultrasound-assisted emulsification microextraction (USAEME) for the determination of zinc and copper by flame atomic absorption spectrometry (FAAS). The method is based on the use of the organic solvent carbon tetrachloride (CCl4) as an extraction solvent. ... Read More)
N1,N1,N2,N2-Tetramethyl-N1,N2-bis(sulfo)ethane-1,2-diaminium chloride as a highly efficient catalyst for synthesis of some nitrogen- and oxygen-containing heterocyclic compounds
Volume 7, Issue 3, pp. 160-229, Serial No. 24 , July 2019, , Pages 160-173
Abstract
In this research, a Brønsted acidic ionic liquid namely N1,N1,N2,N2-tetramethyl-N1,N2-bis(sulfo)ethane-1,2-diaminium chloride {[TMBSED][Cl]2} was employed as a highly efficient catalyst for the solvent-free production of some nitrogen- and oxygen-containing heterocyclic compounds including: (i) ... Read Moreethane-1,2 ... ', 'data/icc/coversheet/381548154952.png'))
4-Aryl-2, 6-di(pyren-1-yl)pyridines: A facile procedure for synthesis and studying of fluorescence properties
Volume 7, Issue 3, pp. 160-229, Serial No. 24 , July 2019, , Pages 214-221
Abstract
Pyrene and its derivatives exhibit thermal stability, high extinction coefficients, excimer formation, high photoluminescence, long fluorescence lifetime, fluorophoric properties and enhanced charge carrier mobility which make them find applications in optoelectronic area and are useful as large planar ... Read Morepyridines: A facile proc ... ', 'data/icc/coversheet/401548218760.png'))
Electrocatalytic multicomponent assembling of aldehydes, dimedone and 1-naphthylamine for synthesis of novel tetrahydrobenzo[c]acridin-8(7H)-one derivatives
Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, , Pages 90-98
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](javascript:loadModal('Electrocatalytic multicomponent assembling of alde ... ', 'data/icc/coversheet/781508583888.jpg'))
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
Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, , Pages 99-111
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](javascript:loadModal('A mild protocol for the preparation of 2-amino-dih ... ', 'data/icc/coversheet/271508660737.jpg'))
Application of nano TiO2@KSF as an efficient and reusable catalyst for the synthesis of pyrano-pyrimidines
Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, , Pages 112-117
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)
Green and efficient synthesis of propargylamines via A3 coupling reaction using a copper (II)–thioamide combination
Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, , Pages 118-125
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)
Phthalimide-N-sulfonic acid and Isatin-N-sulfonic acid as highly efficient catalysts for the synthesis of bis-coumarins
Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, , Pages 139-145
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)
Turmeric extract as a biocompatible inhibitor of mild steel corrosion in 3.5% NaCl solution
Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, , Pages 146-159
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)
Multivariate curve resolution-alternating least squares applied to kinetic spectrophotometric data for the determination of mixtures of aliphatic amines
Volume 7, Issue 1, pp. 1-89, Serial No. 22 , January 2019, , Pages 1-14
Abstract
Kinetic spectrophotometric second order data based on the reaction of 1,2-naphthoquinone-4-sulphonate (NQS) coupled with multivariate curve resolution-alternating least squares (MCR-ALS) has been proposed for simultaneous determination of ethylamine, propylamine and butylamine. Using second-order advantage, ... Read More)
Prediction of IC50 of 2,5-diaminobenzophenone organic derivatives using informatics-aided genetic algorithm
Volume 7, Issue 1, pp. 1-89, Serial No. 22 , January 2019, , Pages 39-51
Abstract
In the present paper, informatics-aided quantitative structure activity relationship (QSAR) models using genetic algorithm-partial least square (GA-PLS), genetic algorithm-Kernel partial least square (KPLS), and Levenberg-Marquardt artificial neural network (LM ANN) approach were constructed to access ... Read More)
New pyrazolone derivatives synthesis: comparison of the catalytic effect of three typically different Brønsted acid catalysts on the reaction progression
Volume 7, Issue 1, pp. 1-89, Serial No. 22 , January 2019, , Pages 52-62
Abstract
Via the one-pot condensation reaction of ethyl acetoacetate, aromatic aldehydes, 2,4-dinitrophenylhydrazine, and β-naphthol; new pyrazolone derivatives were synthesized in the presence of three Brønsted acid catalysts. These Brønsted acid catalysts are Silica sulfuric acid (SSA), tetra-n-butyl ... Read More)
Synthesis, characterization and spectroscopic properties of new azo dyes derived from aniline derivatives based on acetylacetone and azo-metal (II) complexes and singular value decomposition (SVD) investigation
Volume 7, Issue 1, pp. 1-89, Serial No. 22 , January 2019, , Pages 71-89
Abstract
Four new azo-dyes, 3-phenyl azopentane-2,4-dion (LA), 3-(4-nitro phenyl azo)-pentane-2,4-dion (LP), 3-(2-nitro phenyl azo)-pentane-2,4-dion (LO) and 4-(1-acetyle-2-oxo-propyl azo)-benzene sulfonate sodium (LS), were synthesized from, aniline, 4-nitroaniline, 2-nitroaniline and sulfanilic acid with acetylacetone, ... Read More)
Microwave-assisted solvent-free synthesis and antibacterial evaluation of 1-azabicyclo[3.1.0]hexane-3-enes
Volume 6, Issue 3, pp. 218-324, Serial No. 20 , July 2018, , Pages 218-227
Abstract
This work described a simple and efficient method for the synthesis of 1-azabicyclo[3.1.0]hexane-3-ene derivatives. arylidenmalononitriles and hydroxylamine hydrochloride in the presence of NaOH, under microwave irradiation and solvent-free conditions produced the titled compounds in good to excellent ... Read More![Microwave-assisted solvent-free synthesis and antibacterial evaluation of 1-azabicyclo[3.1.0]hexane-3-enes](javascript:loadModal('Microwave-assisted solvent-free synthesis and anti ... ', 'data/icc/coversheet/671492243107.png'))
Synthesis, characterization and selective oxidation using a new copper (II) Schiff base complex derived from Alanine and 4-chloro3- formyl coumarin
Volume 6, Issue 3, pp. 218-324, Serial No. 20 , July 2018, , Pages 228-241
Abstract
A novel Schiff-base ligand (L: 2-[(4-chloro-2-oxo-2H-chromen-3-ylmethylene)-amino] propionic acid) was prepared from the reaction of 4-chloro3-formylcoumarin and alanine amino acid. Copper (II) complex was synthesized from the reaction of the ligand with Cu (OAc)2. H2O in ethanol. The ligand and its ... Read More)
Preparation of an oxetan-phenyltetrahydropyridazine-3,6-dione derivative using some chemistry tools
Volume 6, Issue 3, pp. 218-324, Serial No. 20 , July 2018, , Pages 256-265
Abstract
The aim of this study was to synthesize a new oxetan-phenyltetrahydropyridazine-3,6-dione derivative (compound 6) using with different techniques. The first method was achieved by the preparation of a phenylhydrazine derivative (2) using three components system (3,17-aldol-estradiol, phenylhydrazine, ... Read More)
Nano Al2O3/KF using for synthesis of some Hantzsch type-products
Volume 6, Issue 3, pp. 218-324, Serial No. 20 , July 2018, , Pages 266-270
Abstract
A protocol for the synthesis of 1,4-dihydropyridines (Hantzsch type-products) was developed by means of a three-component condensation of an aldehyde, a β-dicarbonyl compound, ammonium acetate and nano Al2O3/KF as catalyst. This reaction was carried out under different conditions including i) solvent-free ... Read More)