Convenient and efficient protocols for coumarin synthesis via Pechmann condensation in neutral ionic liquids

2005 ◽  
Vol 235 (1-2) ◽  
pp. 249-252 ◽  
Author(s):  
Mahesh K. Potdar ◽  
Meghana S. Rasalkar ◽  
Swapnil S. Mohile ◽  
Manikrao M. Salunkhe
Keyword(s):  
Ionic Liquids ◽  
Pechmann Condensation ◽  
Coumarin Synthesis

Coumarin Synthesis via Knoevenagel Condensation in Moisture Stable Room Temperature Ionic Liquids

2003 ◽  
Vol 2003 (5) ◽  
pp. 294-295 ◽  
Author(s):  
Weiliang Bao ◽  
Zhiming Wang ◽  
Yuxia Li
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Room Temperature ◽  
Knoevenagel Condensation ◽  
Reaction Medium ◽  
Room Temperature Ionic Liquid ◽  
Room Temperature Ionic Liquids ◽  
Structure System ◽  
Coumarin Synthesis

Several coumarins have been synthesised by Knoevenagel condensation in the piperidine/HOAc/moisture stable room temperature ionic liquid ([Emim]+BF4- referring to structure) system at room temperature; the yield of the reaction is good and the reaction medium can be recycled.

Ceric Ammonium Nitrate (CAN): An Efficient Catalyst for the Coumarin Synthesis via Pechmann Condensation using Conventional Heating and Microwave Irradiation

2008 ◽  
Vol 38 (13) ◽  
pp. 2082-2088 ◽  
Author(s):  
Y. Thirupathi Reddy ◽  
Vijayakumar N. Sonar ◽  
Peter A. Crooks ◽  
Pavan K. Dasari ◽  
P. Narsimha Reddy ◽  
...  
Keyword(s):  
Microwave Irradiation ◽  
Ammonium Nitrate ◽  
Ceric Ammonium Nitrate ◽  
Conventional Heating ◽  
Efficient Catalyst ◽  
Pechmann Condensation ◽  
Coumarin Synthesis

scholarly journals Dipyridine copper chloride catalyzed coumarin synthesis via Pechmann condensation under conventional heating and microwave irradiation

ARKIVOC ◽  
2006 ◽  
Vol 2006 (12) ◽  
pp. 23-27 ◽  
Author(s):  
B. Rajitha ◽  
V. Naveen Kumar ◽  
P. Someshwar ◽  
J. Venu Madhav ◽  
P. Narsimha Reddy ◽  
...  
Keyword(s):  
Microwave Irradiation ◽  
Copper Chloride ◽  
Conventional Heating ◽  
Pechmann Condensation ◽  
Coumarin Synthesis
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