The Michael reaction catalyzed by KF/basic alumina under ultrasound irradiation.

@article{Li2003TheMR,
  title={The Michael reaction catalyzed by KF/basic alumina under ultrasound irradiation.},
  author={J T Li and G Chen and When-Zhi Xu and Tong-Shuang Li},
  journal={Ultrasonics sonochemistry},
  year={2003},
  volume={10 2},
  pages={115-8}
}
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.