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Synthesis and characterization of CuMgAl ternary hydrotalcites as catalysts for the hydroxylation of phenol
Abstract CuMgAl ternary hydrotalcites with a (Cu + Mg)/Al atomic ratio of 3.0 and a Cu/Mg atomic ratio of 5.0, 3.0, 1.0, 0.33, and 0.2 were synthesized by coprecipitation under low supersaturation.Expand
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Catalytic hydroxylation of phenol over ternary hydrotalcites containing Cu, Ni and Al
Abstract Liquid phase catalytic hydroxylation of phenol was carried out over ternary hydrotalcites containing copper, nickel and aluminum using hydrogen peroxide as oxidant. The influence of variousExpand
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Synthesis, characterization and catalytic hydroxylation of phenol over CuCoAl ternary hydrotalcites
Copper–cobalt–aluminium hydrotalcites with (Cu + Co)/Al atomic ratio of 3.0 and Cu/Co atomic ratios 80:20, 75:25, 50:50, 33:67, 25:75 and 20:80 were synthesized by coprecipitation under lowExpand
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A simple and efficient protocol for the synthesis of substituted comarins catalyzed by stannic(IV) chloride under solvent-free condition
Stannic(IV) chloride has been demonstrated to be an efficient catalyst for the Pechmann condensation of phenols and β-ketoesters to produce structurally diverse coumarins in a solvent-free protocol.Expand
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Environmentally benign liquid phase oxidation of vanillin over copper containing ternary hydrotalcites
Abstract Liquid phase oxidation of vanillin to vanillic acid is carried out over copper containing ternary hydrotalcites using water as a solvent and H 2 O 2 as oxidant at 313 K. The catalyticExpand
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Nasogastric Decompression In Upper Gastrointestinal Surgery: is it Required
To determine whether nasogastric decompression can be done safely in operated cases of perforation peritonitis (gastric and duodenal perforation), we did a prospective study from Oct ’2010 to OctExpand
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Sulfonic acid functionalized mesoporous SBA-15 for one-pot synthesis of substituted aryl-14H-dibenzo xanthenes and bis(indolyl) methanes
Abstract The comparative catalytic activity studies of biologically and industrially important compounds such as Xanthenes and bis (indolyl) methanes were evaluated over propylsulfonic acidExpand
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Antibacterial activity of vinyl imidazole(VI) functionalized silica polymer nanocomposites (SBA/VI) against Gram negative and Gram positive bacteria
Vinyl imidazole functionalized ordered mesoporous silica (SBA/VI) were synthesized by in situ radical polymerization of vinyl imidazole monomers and characterized for antibacterial activity againstExpand
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RETRACTED: Catalytic applications of ordered mesoporous magnesium oxide synthesized by mesoporous carbon
This article has been retracted at the request of the Editors. Please see Elsevier Policy on Article Withdrawal ( http://www.elsevier.com/locate/withdrawalpolicy ). Reason: This article copiesExpand
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Combustion synthesized WO3–ZrO2 nanocomposites as catalyst for the solvent-free synthesis of coumarins
Abstract Nanosized ZrO 2 and WO 3 –ZrO 2 particles were prepared by solution combustion synthesis using urea as fuel. These materials were characterized by X-ray diffraction, infrared spectroscopy,Expand
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