Molybdenum liquid salts immobilized on ionic liquid-modified silica as efficient heterogeneous catalysts for sulfoxide reduction

2013 ◽  
Vol 54 (29) ◽  
pp. 3765-3768 ◽  
Author(s):  
Mojtaba Bagherzadeh ◽  
Saeideh Ghazali-Esfahani
Keyword(s):  
Ionic Liquid ◽  
Heterogeneous Catalysts ◽  
Modified Silica ◽  
Liquid Salts

ChemInform Abstract: New Ionic Liquid-Modified Silica Gels as Recyclable Materials for L-Proline- or H-Pro-Pro-Asp-NH2-Catalyzed Aldol Reaction.

ChemInform ◽  
2008 ◽  
Vol 39 (16) ◽  
Author(s):  
Carmela Aprile ◽  
Francesco Giacalone ◽  
Michelangelo Gruttadauria ◽  
Adriana Mossuto Marculescu ◽  
Renato Noto ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Aldol Reaction ◽  
Silica Gels ◽  
Modified Silica ◽  
Modified Silica Gels

Heterogeneous Catalysts SILP with Phosphotungstic Acid for Oxidative Desulfurization: Effect of Ionic Liquid

2020 ◽  
Vol 61 (5) ◽  
pp. 775-785
Author(s):  
A. A. Bryzhin ◽  
A. K. Buryak ◽  
M. G. Gantman ◽  
V. M. Zelikman ◽  
M. I. Shilina ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Heterogeneous Catalysts ◽  
Phosphotungstic Acid ◽  
Oxidative Desulfurization

Ionic Liquid [Bmim]OH Grafted Catalyst for Cycloaddition of Carbon Dioxide

2014 ◽  
Vol 989-994 ◽  
pp. 676-679 ◽  
Author(s):  
Xue Lan Zhang ◽  
Deng Feng Wang
Keyword(s):  
Carbon Dioxide ◽  
Ionic Liquid ◽  
Ionic Liquids ◽  
Silica Gel ◽  
Propylene Carbonate ◽  
Propylene Oxide ◽  
Heterogeneous Catalysts ◽  
Element Analysis ◽  
Mild Conditions ◽  
Adsorption Desorption

An ionic liquid 1-butyl-3-methylimidazolium hydroxide ([Bmim]OH) was grafted on silica gel by post-grafting method. Such grafted ionic liquids (GILs) which were verified by means of FTIR, element analysis N2adsorption-desorption and TG could be used as highly effective heterogeneous catalysts toward propylene carbonate synthesis through cycloaddition of carbon dioxide with propylene oxide under solventless and mild conditions.

Preparation and Activity of Ionic Liquid Catalysts Grafted on Hydrophobic Silica Gel

2012 ◽  
Vol 476-478 ◽  
pp. 2621-2624
Author(s):  
Xue Lan Zhang ◽  
Deng Feng Wang
Keyword(s):  
Carbon Dioxide ◽  
Ionic Liquid ◽  
Ionic Liquids ◽  
Silica Gel ◽  
Propylene Oxide ◽  
Heterogeneous Catalysts ◽  
N2 Adsorption ◽  
Mild Conditions ◽  
Hydrophobic Silica ◽  
Adsorption Desorption

An ionic liquid 1- (triethoxysilyl) propyl-3-methylimidazolium hydroxide ([Smim]OH) was grafted on three kinds of mesoporous hydrophobic silica gel by means of post-grafting under mild conditions. The catalysts were [Smim]OH/SiO2-MTES (methyltriethoxysilane), [Smim]OH/SiO2-TMCS (trimethylchlorosilane), [Smim]OH/SiO2-CPTEO (triethoxysilyl propyl chloride). Such grafted ionic liquids (GILs), which were characterized by means of FTIR and N2 adsorption-desorption could be used as effective heterogeneous catalysts toward propylene carbonate synthesis through cycloaddition of carbon dioxide with propylene oxide under solventless and mild conditions.

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