Volume 3, Issue 4
مرور بر اساس
ارسال های اخیر
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Spotlights: Fétizon’s reagent: Silver carbonate on celite
(Islamic Azad University, Shahreza Branch, 2013-12-01)Fatemeh Karimi Tabar was born in Asadabad/Hamedan (Iran) in 1986. She completed her B.Sc. in chemistry in 2008 from Bu-Ali Sina University, Hamedan, Iran. She was graduated from M.Sc. degree in organic chemistry from Shiraz ...
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Silica-bonded n-propyltriethylene-tetramine as a recyclable solid base catalyst for the synthesis of 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromenes
(Islamic Azad University, Shahreza Branch, 2013-12-01)Silica-bonded n-propyltriethylene-tetramine (SBNPTT) was found as an efficient solid base for the synthesis of 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromenes. Chromene derivatives were obtained via the three-component ...
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One-pot synthesis of 2,4,5-trisubstituted imidazoles catalyzed by dicationic magnetic room temperature ionic liquid
(Islamic Azad University, Shahreza Branch, 2013-12-01)Regarding the green chemistry's goals, dicationic magnetic room temperature ionic liquid open up new avenue to introduce an amazing and efficient system for facilitating catalyst recovery in different organic reactions. ...
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Decatungstodivanadogermanic heteropoly acid (H6GeW10V2O40.22H2O): A green and reusable heterogeneous catalyst for the synthesis of Biginelli-type 3,4-dihydropyrimidin-2-(1H)-ones/thiones
(Islamic Azad University, Shahreza Branch, 2013-12-01)Decatungstodivanadogermanic acid (H6GeW10V2O40.22H2O) was used as a green heterogeneous catalyst for the synthesis of 3,4-dihydropyrimidin-2-(1H)-ones from one-pot three-component cyclocondensation reaction of a β-ketoester, ...
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Melamine trisulfonic acid (MTSA) as an efficient catalyst for the synthesis of triazolo[1,2-a]indazole-triones and some 2H-indazolo[2,1-b]phthalazine-triones
(Islamic Azad University, Shahreza Branch, 2013-12-01)Melamine trisulfonic acid (MTSA) as an efficient heterogeneous catalyst has been used for the one-pot preparation of triazolo[1,2-a]indazole-1,3,8-trione and 2H-indazolo[2,1-b]phthalazine-1,6,11-trione derivatives by the ...
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[Et3NH][HSO4] catalyzed one-pot synthesis of 14-aryl-14H-dibenzo[a,j] xanthenes under solvent-free conditions
(Islamic Azad University, Shahreza Branch, 2013-12-01)A simple and environmentally benign procedure for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes by a one-pot condensation of 2-naphthol with aromatic aldehyde in the presence of [Et3NH][HSO4] as an acidic ionic liquid ...
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Efficient and eco-friendly synthesis of quinoxalines derivatives catalyzed by acidic ionic liquids at room temperature
(Islamic Azad University, Shahreza Branch, 2013-12-01)In this research, we have developed cheap recyclable and task-specific acidic ionic liquids (AILs) 1-hydrogen-3-methylimidazolium hydrogen sulfate [Hmim]HSO4, 1-hydrogen-3-methylimidazolium chloride [Hmim]Cl, 2-pyrrolidonium ...
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A new method for synthesis of tetrahydrobenzo[b]pyrans and dihydropyrano[c]chromenes using p-dodecylbenzenesulfonic acid as catalyst in water
(Islamic Azad University, Shahreza Branch, 2013-12-01)p-Dodecylbenzenesulfonic acid (DBSA) was used as a catalyst for a simple and efficient one-pot synthesis of aryl substititued tetrahydrobenzo[b]pyrans and dihydropyrano[c]chromens via initial Knoevenagel, subsequent Micheal ...
