ACCELERATION OF SOLID–LIQUID TWO-PHASE REACTION BY MEANS OF ALUMINA-WATER-ULTRASOUND. A SUBSTITUTE FOR A PHASE TRANSFER CATALYST

1984 ◽  
Vol 13 (5) ◽  
pp. 725-728 ◽  
Author(s):  
Takashi Ando ◽  
Takehiko Kawate ◽  
Junko Ichihara (nee Yamawaki) ◽  
Terukiyo Hanafusa
Keyword(s):  
Phase Transfer ◽  
Phase Transfer Catalyst ◽  
Phase Reaction ◽  
Two Phase ◽  
Solid Liquid

A Novel Microwave-Activated Sonogashira Coupling Reaction and Cleavage using Polyethylene Glycol as Phase-Transfer Catalyst and Polymer Support

2002 ◽  
Vol 2002 (4) ◽  
pp. 173-175 ◽  
Author(s):  
Min Xia ◽  
Yan-Guang Wang
Keyword(s):  
Polyethylene Glycol ◽  
Phase Transfer ◽  
Coupling Reaction ◽  
Phase Transfer Catalyst ◽  
Polymer Support ◽  
Microwave Activation ◽  
Sonogashira Coupling ◽  
Terminal Alkynes ◽  
Sonogashira Coupling Reaction ◽  
Solid Liquid

Under microwave-activation polyethylene glycol bound 4-iodobenzoic acid could be readily reacted with various terminal alkynes in excellent yields and purity using polyethylene glycol (PEG) as a solid-liquid phase-transfer catalyst and polymer support; the cleavage could be dramatically accelerated under microwave activation.

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