Short Communication   
						
												Microwave Assisted, Fly Ash Catalyzed Synthesis of Coumarin Derivatives: Green Approach 
												Author(s): Madhav J Hebade, Ravindra P Shimpi and Omprakash S Chavan*            
						
												
				 Solvent free synthesis of substituted Coumarin by Von Pechmann condensation of phenols with β-ketoesters catalyzed by fly ash as a byproduct from thermal power station by microwave irradiation method. Our present protocol is economical and clean comprise of green reagent, solvent and catalyst... Read More»