Journal of Hebei University (Natural Science Edition) ›› 2002, Vol. 22 ›› Issue (1): 77-79.DOI: 10.3969/j.issn.1000-1565.2002.01.020

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Michael Addition Catalyzed by Potassium Hydroxide under Ultrasound Irradiation

  

  • Online:2002-02-25 Published:2002-02-25

Abstract: Michael addition of chalcone with active methylene compound such as diethyl malonate, ni tromethane and ethyl acetoacetate catalyzed by potassium hydroxide in anhydrous ethanol afforded the corre sponding Michael adducts in 75 %6~98 % yield under ultrasound.

Key words: Ultrasound, Chalcone, Michael addition

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