Benzylation of -(Diphenylmethylene)glycine -Butyl Ester Using Polymer-Supported Cinchona Alkaloid Quaternary Ammonium Salts

2012 ◽  
pp. 1
Author(s):  
S. Itsuno ◽  
N. Haraguchi
Keyword(s):  
Quaternary Ammonium ◽  
Butyl Ester ◽  
Quaternary Ammonium Salts ◽  
Cinchona Alkaloid ◽  
Ammonium Salts ◽  
Polymer Supported

scholarly journals Highly recyclable polymer supported ionic liquids as efficient heterogeneous catalysts for batch and flow conversion of CO2 to cyclic carbonates

RSC Advances ◽  
2017 ◽  
Vol 7 (5) ◽  
pp. 2836-2841 ◽  
Author(s):  
Tao Wang ◽  
Wenlong Wang ◽  
Yuan Lyu ◽  
Xingkun Chen ◽  
Cunyao Li ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Radical Polymerization ◽  
Quaternary Ammonium ◽  
Heterogeneous Catalysts ◽  
Quaternary Ammonium Salts ◽  
Ammonium Salts ◽  
Cyclic Carbonates ◽  
Polymer Supported ◽  
Supported Ionic Liquids

A series of cross-linked polymer supported ionic liquids based on quaternary ammonium salts have been prepared using a facile method of radical polymerization.

Cinchona alkaloid-based chiral catalysts act as highly efficient multifunctional organocatalysts for the asymmetric conjugate addition of malonates to nitroolefins

2015 ◽  
Vol 13 (40) ◽  
pp. 10216-10225 ◽  
Author(s):  
Veeramanoharan Ashokkumar ◽  
Ayyanar Siva
Keyword(s):  
Michael Addition ◽  
Quaternary Ammonium ◽  
Conjugate Addition ◽  
Quaternary Ammonium Salts ◽  
Cinchona Alkaloid ◽  
Ammonium Salts ◽  
Addition Reactions ◽  
Chiral Catalysts ◽  
Reaction Conditions ◽  
Highly Efficient

New pentaerythritol tetrabromide based chiral quaternary ammonium salts have been prepared and used as organocatalysts for enantioselective Michael addition reactions between various nitroolefins and Michael donors under mild reaction conditions with very good chemical yields and ee's.

Low-Cost Polymer-Supported Quaternary Ammonium Salts as High-Efficiency Catalysts for Cycloaddition of CO2 to Epoxides

2012 ◽  
Vol 142 (11) ◽  
pp. 1376-1381 ◽  
Author(s):  
Yuan-Yuan Zhang ◽  
Lang Chen ◽  
Shuang-Feng Yin ◽  
Sheng-Lian Luo ◽  
Chak-Tong Au
Keyword(s):  
Quaternary Ammonium ◽  
High Efficiency ◽  
Low Cost ◽  
Quaternary Ammonium Salts ◽  
Ammonium Salts ◽  
Polymer Supported
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