مرور Volume 2, Issue 4 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 4 از 4
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A fast, simple and convenient procedure for the synthesis of fused pyrimidinone derivatives by using [Hmim][HSO4] as a green, efficient and reusable catalyst under solvent-free conditions
(Islamic Azad University, Shahreza Branch, 2012-12-01)In the present of methylimidazolium hydrogen sulfate, the synthesis of arylidene heterobicyclic pyrimidinones is studied by condensation of aromatic aldehyde, cyclopentanone, and urea or thiourea. Using solvent-free ...
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Hydrogen generation from hydrolysis of sodium borohydride using sulfonated porous carbon as reagent/catalyst
(Islamic Azad University, Shahreza Branch, 2012-12-01)The hydrolysis of sodium borohydride as a source of hydrogen gas is studied at different mole ratios of H+ to NaBH4. The sulfonated porous carbon (SPC) is used as a source of hydrogen ion and catalyst. It is found that the ...
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Efficient synthesis of bis(indolyl)methanes catalyzed by (PhCH2PPh3)+Br- under solvent-free conditions
(Islamic Azad University, Shahreza Branch, 2012-12-01)Benzyltriphenylphosphonium bromide (BTPB) has been applied as an efficient catalyst for the preparation of bis(indolyl)methanes (BIMs) via electrophilic substitution of indoles with aldehydes in the absence of solvent.
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Nicotine-based ionic liquid: as a green catalyst for pyridine-catalyzed Huisgen reaction
(Islamic Azad University, Shahreza Branch, 2012-12-01)Nicotine-based ionic liquid has been used as a green catalyst for pyridine-catalyzed Huisgen reaction. It promoted addition of dimethylacetylenedicarboxylate to aldehydes or N-tosyl imines leading to efficient synthesis ...
