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The Michael reaction catalyzed by KF/basic alumina under ultrasound irradiation
Ji-Tai Li1, Guo-Feng Chen, When-Zhi Xu
1Department of Chemistry, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, PR China. orgsyn@mail.hbu.edu.cn
Ultrasonics Sonochemistry
|January 29, 2003
Abstract:
The Michael reaction of chalcones as acceptors with various active methylene compounds such as diethyl malonate, nitromethane, cyclohexanone, ethyl acetoacetate and acetylacetone as donors catalyzed by KF/basic alumina results in adducts in high yield within a shorter time under ultrasound irradiation.