Synthesis of 1,1-disubstituted-2,6-diarylcyclohexane-4-ones catalyzed by KF/basic Al2O3 under ultrasound.

@article{Li2005SynthesisO1,
  title={Synthesis of 1,1-disubstituted-2,6-diarylcyclohexane-4-ones catalyzed by KF/basic Al2O3 under ultrasound.},
  author={Jiangtian Li and Wenchao Xu and Guonan Chen and Tong-Shuang Li},
  journal={Ultrasonics sonochemistry},
  year={2005},
  volume={12 6},
  pages={
          473-6
        }
}
1,1-Disubstituted-2,6-diarylcyclohexane-4-ones have been synthesized via double Michael addition of 1,5-diaryl-1,4-pentadien-3-one with various active methylene compounds such as dimethyl malonate, diethyl malonate, methyl cyanoacetate and ethyl cyanoacetate catalyzed by KF/basic alumina under ultrasound irradiation to give good yields within a short time. 
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