Volume 8 (2024)
Volume 7 (2023)
Volume 6 (2022)
Volume 5 (2021)
Volume 4 (2020)
Volume 3 (2019)
Volume 2 (2018)
Volume 1 (2017)
Main Subjects = Organic Chemistry
Number of Articles: 97
One-pot route to nitriles from aldehyde and hydroxylamine hydrochloride on silica-gel
Volume 2, Issue 4 , October 2018, , Pages 330-337
Abstract
A green and facile methodology for the synthesis of nitrile has been established from the corresponding aldehydes and hydroxylamine hydrochloride on silica-gel in hot condition. The ... Read MorePropargylation of indole under a new dual-site phase-transfer catalyst: A kinetic study
Volume 2, Issue 3 , July 2018, , Pages 201-216
Abstract
A new multi-site phase-transfer catalyst viz., N,N’-dihexyl-4,4’-bipyridinium dibromide (DSPTC) was synthesized from the low cost starting materials. The structures of the ... Read MoreOne-pot synthesis of spirooxindole derivatives catalyzed by ZnFe2O4 as a magnetic nanoparticles
Volume 2, Issue 2 , April 2018, , Pages 85-95
Abstract
ZnFe2O4 as a novel nanoparticle was prepared and characterized using x-ray diffraction (XRD) analysis, energy dispersive x-ray (EDX), vibrating sample magnetometry (VSM), and fourier-transform ... Read MorePreparation and characterization of polyethylene glycol-bis(N-methylimidazolium) dihydroxide as a basic phase-transfer catalyst and its application in Knoevenagel condensation under aqueous media
Volume 2, Issue 2 , April 2018, , Pages 96-106
Abstract
A basic phase-transfer catalyst ([PEG(mim)2][OH]2) was prepared from the reaction of polyethylene glycol-bis(N-methylimidazolium) dibromide and sodium hydroxide dissolved in water at ... Read MoreSynthesis of benzo[f]chromeno[3,4-b]quinoline-6-ones and chromeno[3,4-b]quinoline-6,11-diones via one-pot three-component tandem Knoevenagel–Michael reaction catalyzed by n-Tetrabutylammonium tribromide
Volume 2, Issue 2 , April 2018, , Pages 115-131
Abstract
The synthesis of benzo[f]chromeno[3,4-b]quinoline-6-ones has been achieved via one-pot three-component reaction from substituted aromatic aldehydes, 3-aminocoumarins, and 2-naphthol ... Read MoreTransition metals as efficient catalysts for transesterification of Beta keto Esters under Solvent-free conditions
Volume 2, Issue 2 , April 2018, , Pages 132-143
Abstract
Transition metals (ferrous ammonium sulphate and ammonium nickel sulphate) complexes have been proved to be efficient catalysts for transesterification of β-keto esters with various ... Read MoreTribromo melamine (TBM) as an efficient and inexpensive catalyst for the one-pot synthesis of benzimidazoles and benzoxazole derivatives
Volume 2, Issue 2 , April 2018, , Pages 160-170
Abstract
In this work, a simple and facile method for the preparation of tribromo melamine (TBM or melamine‐Br3) as an environmentally friendly homogeneous catalyst is described as it is used ... Read MoreOne-pot, clean and energy efficient synthesis of dibenzo[b,f][1,4]oxazepine derivatives promoted by ultrasound
Volume 2, Issue 1 , January 2018, , Pages 1-10
Abstract
In the present study, a variety of dibenzo [b,f][1,4] oxazepine derivatives was successfully synthesized in good yields under ultrasonic irradiation as an environmental friendly technique. ... Read MoreSynergy of binary ionic liquids in a three component one-pot synthesis of 3,4,6-triarylpyridazine at ambient temperature
Volume 2, Issue 1 , January 2018, , Pages 11-24
Abstract
A mixture of two ionic liquids have been used for a green synthesis of 3,4,6-triarylpyridazine in high yield and at room temperature. The two ionic liquids acts in tandem. The advantage ... Read MoreSulfonic acid supported on Fe2O3/VO2 nanocatalyst: A highly efficient and reusable nanocatalyst for synthesis of spirooxindole derivatives
Volume 2, Issue 1 , January 2018, , Pages 59-69
Abstract
Fe2O3/VO2/SO3H nanocatalyst is reported for simple, and three-component reaction for the synthesis of spirooxindole derivatives by the reaction of isatin, 1,3-cyclohexadiene and malonitrile ... Read MoreQuinolinium bound chromium(VI) reagents for efficient electrophilic aromatic nitration and thiocyanation reactions using sodium nitrate and ammonium thiocyanate
Volume 2, Issue 1 , January 2018, , Pages 70-84
Abstract
Quinolinium dichromate (QDC) and quinolinium chlorochromate (QCC) were studied as efficient reagents for electrophilic aromatic nitration using sodium nitrite and thiocyanation ... Read MoreAn efficient approach to the synthesis of some novel heterocycles related to indoline moiety using [BMIm]Cl catalysis
Volume 1, Issue 2 , October 2017, , Pages 56-68
Abstract
The combination of isatins, active methylene reagents and 4-phenylurazole/ phthalhydrazide in the presence of ionic liquid ([BMIm]Cl) as a solvent catalyst was found to be a suitable ... Read MoreSilica-supported HClO4 and KHSO4 as reusable green catalysts for sulfonation of aromatic compounds under solvent-free conditions
Volume 1, Issue 2 , October 2017, , Pages 69-77
Abstract
A green protocol is described for sulfonation of aromatic compounds that has been accomplished using sodium bisulfite (NaHSO3) in the presence of reusable green heterogeneous SiO2/HClO4 ... Read MoreSulfonylbis(1,4-phenylene)bissulfamic acid (SPSA): Introduction of an efficient and reusable catalyst for the synthesis of bis(indolyl)methanes
Volume 1, Issue 2 , October 2017, , Pages 78-88
Abstract
A simple, efficient and convenient route is described for the synthesis of bis-indolyl methanes by using recyclable catalyst sulfonylbis(1,4phenylene)bissulfamic acid (SPSA). In this ... Read MoreCu(II)-Schiff base/SBA-15 as an efficient catalyst for synthesis of decahydroacridine-1,8-diones
Volume 1, Issue 2 , October 2017, , Pages 89-97
Abstract
Herein, we report a fast synthesis of 1,4-dihydropyridines, decahydroacridine-1,8-diones by one-pot multi-component reaction of 1,3-cyclohexanedione or dimidone, arylaldehydes, and ... Read MoreSynthesis and characterization of nanocomposite based on polymer as a highly effective supported catalyst in oxidation of alkenes
Volume 1, Issue 2 , October 2017, , Pages 98-115
Abstract
Polyphosphotungstate (denoted as PPT) was supported on polypyrrol as organic support (abbreviated as PTT@Ppy) to produce catalytic active supported catalyst. This catalyst was characterized ... Read MoreSynthesis of dihydropyridines and quinoxaline derivatives using 1-methyl-3-(2-(sulfooxy)ethyl)-1H-imidazol-3-ium chloride as a new, reusable and efficient Bronsted acidic ionic liquid catalyst
Volume 1, Issue 1 , July 2017, , Pages 1-15
Abstract
In this work, the efficiency, generality and applicability of new silica supported Brønsted acidic ionic liquid (BAIL) 1-methyl-3-(2-(sulfooxy)ethyl)-1H-imidazol-3-ium chloride ... Read MoreProduction of biodiesel from jatropha curcas oil using solid heterogeneous acid catalyst
Volume 1, Issue 1 , July 2017, , Pages 16-23
Abstract
Biodiesel produced by the transesterification of vegetable oils is a promising alternative fuel to diesel because of limited fossil fuel resources and environmental concerns. The use ... Read More2,6-Pyridinedicarboxylic acid as an efficient and mild organocatalyst for the one-pot synthesis of xanthene derivative
Volume 1, Issue 1 , July 2017, , Pages 24-33
Abstract
Simple and efficient protocols have been developed for the one-pot synthesis of aryl-14H-dibenzo[a,j]xanthenes and 1,8-dioxo-octahydro-xanthenes. (i) A cost-effective, simple and convenient ... Read MoreMicrowave-assisted multicomponent reaction for the synthesis of 2-amino-4H-chromene derivatives using ilmenite (FeTiO3) as a magnetic catalyst under solvent-free conditions
Volume 1, Issue 1 , July 2017, , Pages 34-40
Abstract
A green and highly efficient method has been developed for the synthesis of 2-amino-4H-chromene derivatives in the presence of FeTiO3 as magnetic catalyst via one-pot three-component ... Read MoreSynthesis of polyol esters by p-toluenesulfonic acid catalyst as synthetic lubricant oils
Volume 1, Issue 1 , July 2017, , Pages 41-45
Abstract
Esterification and transesterification reactions usually carry out in hydrocarbon solvents, such as toluene. Homogeneous acid catalysts such as, sulfuric acid, methane sulfonic acid, ... Read MoreH-mordenite zeolite as an efficient, rapid and recyclable catalyst for chemoselective synthesis of 1,1-diacetates under solvent-free conditions
Volume 1, Issue 1 , July 2017, , Pages 46-55