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Microwave-induced one-pot Synthesis of Coumarins Using Potassium Dihydrogen Phosphate as a Catalyst Under Solvent-free Condition

Kirti S. Niralwad|Bapurao B. Shingate|Murlidhar S. Shingare
대한화학회|2011.06|대한화학회지 (Journal of the Korean Chemical Society)|제55권 제3호|pp. 486-489

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참고문헌

키워드

MicrowaveSolvent-freePotassium dihydrogen phosphate마이크로파Pechmann condensationCoumarinsPechmann 축합쿠마린무 용매
주제분류화학

초록

Potassium dihydrogen phosphate was found to be an efficient catalyst for the Pechmann condensation of phenols with ethyl acetoacetate, leading to the formation of coumarins under microwave-irradiation and solvent-free condition. This procedure offers several advantages, including the low loading of catalysts, high yields, clean reactions, short reaction time for the synthesis of coumarins.

Abstract

Potassium dihydrogen phosphate was found to be an efficient catalyst for the Pechmann condensation of phenols with ethyl acetoacetate, leading to the formation of coumarins under microwave-irradiation and solvent-free condition. This procedure offers several advantages, including the low loading of catalysts, high yields, clean reactions, short reaction time for the synthesis of coumarins.

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