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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 33, 2003 - Issue 3
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Original Articles

Michael Addition Catalyzed by Potassium Hydroxide Under Ultrasound

, , , &
Pages 353-359 | Received 24 Jan 2002, Published online: 17 Aug 2006
 

Abstract

Michael addition of chalcone with active methylene compound such as diethyl malonate, nitromethane and ethyl acetoacetate catalyzed by potassium hydroxide in anhydrous ethanol results Michael adducts in 75–98% yield under ultrasound irradiation in 25–90 min.

Acknowledgment

The project was supported by NSFC (29872011), Natural Science Foundation of Hebei Province (299080), P.R. China.

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