The Paal–Knorr reaction revisited. A catalyst and solvent-free synthesis of underivatized and N-substituted pyrroles

2015 ◽  
Vol 17 (2) ◽  
pp. 1088-1099 ◽  
Author(s):  
Hyejin Cho ◽  
Richard Madden ◽  
Bilal Nisanci ◽  
Béla Török
Keyword(s):  
Room Temperature ◽  
Solvent Free ◽  
Temperature Synthesis ◽  
Room Temperature Synthesis ◽  
Substituted Pyrroles ◽  
Solvent Free Synthesis

A catalyst and solvent-free room temperature synthesis of pyrroles is described.

Room-temperature synthesis of mesoporous CuO and its catalytic activity for cyclohexene oxidation

RSC Advances ◽  
2015 ◽  
Vol 5 (82) ◽  
pp. 67168-67174 ◽  
Author(s):  
Xinxin Sang ◽  
Jianling Zhang ◽  
Tianbin Wu ◽  
Bingxing Zhang ◽  
Xue Ma ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Room Temperature ◽  
Mesoporous Structure ◽  
Solvent Free ◽  
Cyclohexene Oxidation ◽  
Temperature Synthesis ◽  
Room Temperature Synthesis

CuO nanoleaves with a mesoporous structure have been synthesized in the presence of triethylamine at room temperature. The mesoporous CuO nanoleaves exhibit excellent catalytic activity for solvent-free cyclohexene oxidation with oxygen.

scholarly journals Solvent-free and room temperature synthesis of 3-arylquinolines from different anilines and styrene oxide in the presence of Al2O3/MeSO3H

2017 ◽  
Vol 13 ◽  
pp. 1977-1981 ◽  
Author(s):  
Hashem Sharghi ◽  
Mahdi Aberi ◽  
Mohsen Khataminejad ◽  
Pezhman Shiri
Keyword(s):  
Room Temperature ◽  
Styrene Oxide ◽  
Environmentally Friendly ◽  
Solvent Free ◽  
Temperature Synthesis ◽  
One Pot ◽  
Room Temperature Synthesis ◽  
Highly Efficient ◽  
Rapid Access ◽  
Solvent Free Conditions

A highly efficient, simple and environmentally friendly synthesis of 3-arylquinolines has been developed in the presence of Al2O3/MeSO3H via one-pot reaction of anilines and styrene oxide. This methodology provides very rapid access to 3-arylquinolines in good to excellent yields under solvent-free conditions at room temperature in air.

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