مرور Volume 4, Issue 4 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 8 از 8
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Kinetics investigation of the synthesis reaction of 2,3-dihydroquinazolin-4(1H)-ones in the presence of acetic acid as a catalyst
(Islamic Azad University, Shahreza Branch, 2014-12-01)Acetic acid has been applied as an efficient catalyst and a green solvent for the two–component condensation reaction consisting of benzaldehyde, 2-amino-benzamide. The advantages of this protocol was excellent yield, short ...
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Maltose as a green catalyst for the synthesis of 3,4,5-substituted furan-2(5H) ones in water
(Islamic Azad University, Shahreza Branch, 2014-12-01)Maltose as an efficient, available, cheap and eco-friendly catalyst has been applied for the synthesis of 3,4,5-substituted furan-2(5H)one derivatives via a one-pot three-component reaction of arylamines, aromatic aldehydes ...
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Synthesis of substituted trisphenols by use of a double acidic ionic liquid under solvent-free conditions
(Islamic Azad University, Shahreza Branch, 2014-12-01)3-methyl-1-(4-sulfobuthyl)-1-H-imidazol-3ium hydrogen sulfate, as a dual acidic ionic liquid (DAIL), was found to be an efficient catalyst for the simple, rapid and green synthesis of substituted trisphenols from the ...
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Reflux condensation synthesis and characterization of Co3O4 nanoparticles for photocatalytic applications
(Islamic Azad University, Shahreza Branch, 2014-12-01)In this research work, we report a simple method called reflux condensation method for synthesizing Co3O4 nanoparticles using cheap chemicals such as, cobalt acetate (precursor salt), sodium monododecyl sulphate - SDS ...
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Fe(HSO4)3/SiO2: An efficient and heterogeneous catalyst for cyclization of 2- aminochalcones to 2- aryl-2,3- dihydroquinolin- 4(1H)- ones
(Islamic Azad University, Shahreza Branch, 2014-12-01)Silica ferric hydrogensulfate is an efficient heterogeneous catalyst for the cyclization of 2- aminochalcones to the corresponding 2,3-dihydroquinolin- 4(1H)-ones. This intramolecular aza Michael reaction was carried out ...
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Operating condition effect on achieving higher propene yield in propane oxidative dehydrogenation process
(Islamic Azad University, Shahreza Branch, 2014-12-01)Supported vanadia catalyst was successfully synthesized using wet impregnation of gamma-Alumina to study Propane Oxidative Dehydrogenation (POD). The prepared catalysts were characterized with XRD, BET, and TPR tests. In ...
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[B(OH)3]0.78[B(OH)2(OSO3H)]0.22 as a new, cheap and eco-friendly catalyst for synthesis of acylals at room temperature under solvent free conditions
(Islamic Azad University, Shahreza Branch, 2014-12-01)[B(OH)3]0.78[B(OH)2(OSO3H)]0.22 or (BSA) was simply prepared by addition of chlorosulfonic acid to commercial boric acid at room temperature. This cheap and green solid acid was used as an efficient catalyst for synthesis ...
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Modified Biginelli condensation by molybdate sulfuric acid as a powerful and reusable catalyst
(Islamic Azad University, Shahreza Branch, 2014-12-01)Molybdate sulfuric acid (MSA) has been prepared and used as catalyst for the Biginelli synthesis of some quinazolinones/thiones under solvent-free conditions. The catalyst loading is low and it shows recyclability. This ...
