Volume 2, Issue 1
مرور بر اساس
ارسال های اخیر
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Phosphosulfonic acid as an soild acid supported on nanosilica extracted from rice husk in Polyhydroqinilion Synthesis
(Islamic Azad University Ahvaz Branch, 2012-05-01)Phosphosulfonic acid as a multi solid site was easily prepared from the reaction of ammonium dihydrogen phosphate with chlorosulfonic acid in CCl4and for improved its catalytic activity was supported ...
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D-tartaric acid: a novel catalyst for green and efficient synthesis of 3,4-dihydropyrimidin-2(1H)-ones by Biginelli reaction under solvent-free conditions
(Islamic Azad University Ahvaz Branch, 2012-05-01)D-tartaric acid is successfully used as a green and efficient catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones under solvent-free conditions. The developed method has many advantages, including devoid of harmful ...
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Microwave-assisted thioacetalization of carbonyl compounds using Al-MCM-41 as an efficient heterogeneous catalyst
(Islamic Azad University Ahvaz Branch, 2012-05-01)In this project various types of carbonyl compounds were efficiently converted to their corresponding 1,3-oxathiolanes with 2-mercaptoethanol in the presence of catalytic amount of Al-MCM-41 with microwave energy. The ...
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Michael addition of Pyrrole and indole to α,β- unsaturated compounds in the Presence of oxalic acid
(Islamic Azad University Ahvaz Branch, 2012-05-01)A Simple and efficient method for Michael addition of pyrrole and indole to α,β- un saturated compounds has been developed in the presence of oxalic acid under refluxing reaction condition was achieved.
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A One-Pot Synthesis of 1,8- Dioxodecahydroacridine Using Zinc Chloride Silica gel-supported Catalyst under Solvent-Free Conditions
(Islamic Azad University Ahvaz Branch, 2012-05-01)Zinc chloride silica gel-supported was found to be an efficient, inexpensive catalyst for the synthesis of 1,8-dioxodecahydroacridines via one-pot three-component condensation of aryl aldehydes, dimedone, andammonium acetate ...
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Catalytic effect of green zinc oxide nanoparticles on multi –component reactions
(Islamic Azad University Ahvaz Branch, 2012-05-01)In this study, multi component Hantzsch reaction was carried out between various Aromatic Aldehyde with Dimedone,Ethyl acetateand ammonium acetate to produce polyhydroquinolinederivatives under solvent-free conditions at ...
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Nanoalumina sulfonic acid catalyzed rapid N-formylation under solvent-free conditions
(Islamic Azad University Ahvaz Branch, 2012-05-01)A rapid and chemoselective method for the N-formylation of structurally diverse anilines with formic acid using nanoalumina sulfonic acid (NASA) at 70oC under solvent-free condition has been developed. The ...
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Synthesis of alkyl 2-(4-oxoquinazolin-3(4H)-yl) acrylate by nucleophilic additionof alkyl propiolates catalysed by Ph3P
(Islamic Azad University Ahvaz Branch, 2012-05-01)4-Hydroxyquinazoline undergoes neutral conditions with alkyl propiolates in the presence of triphenylphosphine (0.26g), and by α substituation the corresponding 2-(4-oxoquinazolin-3(4H)-yl acrylate was obtained in good yields.
