Confining task-specific ionic liquid in silica-gel matrix by sol-gel technique: A highly efficient catalyst for oxidation of alcohol with molecular oxygen

2011 ◽  
Vol 12 (5) ◽  
pp. 323-326 ◽  
Author(s):  
Lin Liu ◽  
Juanjuan Ma ◽  
Jiyin Xia ◽  
Luodan Li ◽  
Chunlong Li ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Molecular Oxygen ◽  
Silica Gel ◽  
Sol Gel ◽  
Efficient Catalyst ◽  
Highly Efficient ◽  
Gel Technique ◽  
Task Specific Ionic Liquid

Heterogenization of amine-functionalized ionic liquids using graphene oxide as a support material: a highly efficient catalyst for the synthesis of 3-substituted indoles via Yonemitsu-type reaction

2017 ◽  
Vol 41 (24) ◽  
pp. 15545-15554 ◽  
Author(s):  
Charu Garkoti ◽  
Javaid Shabir ◽  
Padmini Gupta ◽  
Manisha Sharma ◽  
Subho Mozumdar
Keyword(s):  
Ionic Liquid ◽  
Graphene Oxide ◽  
Ionic Liquids ◽  
Recyclable Catalyst ◽  
Support Material ◽  
Efficient Catalyst ◽  
Functionalized Ionic Liquid ◽  
Type Reaction ◽  
Highly Efficient ◽  
Amine Functionalized

Heterogenization of amine functionalized ionic liquid and its application as an efficient and recyclable catalyst.

Nanocomposite Dielectric Material: Au/SiO2-gel

1992 ◽  
Vol 286 ◽  
Author(s):  
G.C. Vezzoli ◽  
M.F. Chen
Keyword(s):  
Silica Gel ◽  
Microprobe Analysis ◽  
Dielectric Material ◽  
Sol Gel ◽  
Dielectric Strength ◽  
Optimal Topology ◽  
Gold Chloride ◽  
Gel Technique ◽  
High Dielectric ◽  
Nanocomposite Dielectric

ABSTRACTA nanocomposite of clusters of gold atoms in a silica gel matrix has been prepared by the sol-gel technique through reduction of gold chloride. This composite was fabricated to explore novel techniques for materialsengineering new high dielectric strength substances for capacitor applications. The gold islands amidst the silica gel sea are materials-designed to utilize the percolation threshhold phenomenon to create a peak in the dielectricconstant as a function of optimal topology. Experimental results indicate an average dielectric constant of the order of 5000 at 1 kHz, and a maximum versus temperature at ∼ −100°C. Electron microscope and microprobe analysis indicate ellipsoidal Au particles or clusters of a dimension ranging from a hundred angstroms to several thousand angstroms.

scholarly journals Immobilization of Lewis acidic ionic liquid on perlite nanoparticle surfaces as a highly efficient solid acid catalyst for the solvent-free synthesis of xanthene derivatives

RSC Advances ◽  
2019 ◽  
Vol 9 (35) ◽  
pp. 19940-19948 ◽  
Author(s):  
L. Moradi ◽  
M. Mirzaei
Keyword(s):  
Ionic Liquid ◽  
Solid Acid Catalyst ◽  
Acid Catalyst ◽  
Solvent Free ◽  
High Yield ◽  
Efficient Catalyst ◽  
Acidic Ionic Liquid ◽  
Highly Efficient ◽  
Xanthene Derivatives ◽  
Lewis Acidic Ionic Liquid

Perlite nanoparticles were prepared, modified with Lewis acidic ionic liquid, and used as a highly efficient catalyst for the eco-friendly, solvent free and high yield synthesis of xanthenesviaa multicomponent reaction.

One molecule of ionic liquid and tert-alcohol on a polystyrene-support as catalysts for efficient nucleophilic substitution including fluorination

2014 ◽  
Vol 12 (45) ◽  
pp. 9264-9271 ◽  
Author(s):  
Sandip S. Shinde ◽  
Sunil N. Patil
Keyword(s):  
Ionic Liquid ◽  
Alkali Metal ◽  
Nucleophilic Substitution ◽  
Metal Salts ◽  
Alkali Metal Salts ◽  
Efficient Catalyst ◽  
Highly Efficient ◽  
Polystyrene Support

The tert-alcohol and ionic liquid solvents in one molecule [mim-tOH][OMs] was immobilized on polystyrene and reported to be a highly efficient catalyst in aliphatic nucleophilic substitution using alkali metal salts.

A polymer supported ascorbate functionalized task specific ionic liquid: an efficient reusable catalyst for 1,3-dipolar cycloaddition

RSC Advances ◽  
2015 ◽  
Vol 5 (27) ◽  
pp. 21396-21404 ◽  
Author(s):  
Jayavant D. Patil ◽  
Supriya A. Patil ◽  
Dattaprasad M. Pore
Keyword(s):  
Ionic Liquid ◽  
Dipolar Cycloaddition ◽  
Reusable Catalyst ◽  
Efficient Catalyst ◽  
Polymer Supported ◽  
Task Specific Ionic Liquid

In situ coalescence of copper on polymer supported ascorbate functionalized task specific ionic liquid, acts as an efficient catalyst for Huisgen 1,3 dipolar cycloaddition.

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