Highly efficient aza-Michael reactions of aromatic amines and N-heterocycles catalyzed by a basic ionic liquid under solvent-free conditions

2006 ◽  
Vol 47 (44) ◽  
pp. 7723-7726 ◽  
Author(s):  
Lei Yang ◽  
Li-Wen Xu ◽  
Wei Zhou ◽  
Lyi Li ◽  
Chun-Gu Xia
Keyword(s):  
Ionic Liquid ◽  
Aromatic Amines ◽  
Solvent Free ◽  
Highly Efficient ◽  
Michael Reactions ◽  
Solvent Free Conditions ◽  
Basic Ionic Liquid

An Efficient One-Pot Four-Component Hantzsch Reaction to Prepare Hydroquinolines Catalyzed by a Poly(ethylene glycol) Bridged Dicationic Basic Ionic Liquid under Solvent-Free Conditions

2013 ◽  
Vol 781-784 ◽  
pp. 247-252
Author(s):  
Jun Luo ◽  
Tan Tan Xing ◽  
Ying Lei Wang ◽  
Jian Feng Ju
Keyword(s):  
Ionic Liquid ◽  
Ethylene Glycol ◽  
Solvent Free ◽  
Hantzsch Reaction ◽  
Poly Ethylene Glycol ◽  
One Pot ◽  
Solvent Free Conditions ◽  
Basic Ionic Liquid ◽  
Activity Loss ◽  
Poly Ethylene

A piperidine-functionalized poly (ethylene glycol) bridged dicationic ionic liquid PEG800-DPIL(Cl) was synthesized and applied to catalyze the four-component Hantzsch reaction under solvent-free conditions and afford hydroquinolines with high to excellent yields. PEG800-DPIL(Cl) could be recovered by simple workup and recycled for at least eight times without obvious activity loss.

A straightforward one-pot synthesis of bioactive N-aryl oxazolidin-2-ones via a highly efficient Fe3O4@SiO2-supported acetate-based butylimidazolium ionic liquid nanocatalyst under metal- and solvent-free conditions

2017 ◽  
Vol 19 (16) ◽  
pp. 3801-3812 ◽  
Author(s):  
Radhika Gupta ◽  
Manavi Yadav ◽  
Rashmi Gaur ◽  
Gunjan Arora ◽  
Rakesh Kumar Sharma
Keyword(s):  
Ionic Liquid ◽  
Solvent Free ◽  
Magnetic Nanocatalyst ◽  
One Pot ◽  
Supported Ionic Liquid ◽  
Highly Efficient ◽  
One Pot Synthesis ◽  
Solvent Free Conditions

A supported ionic liquid-based magnetic nanocatalyst has been fabricated for the formation of pharmaceutically important N-aryl oxazolidin-2-ones.

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