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Phosphazene Base-Catalyzed Double Michael Addition: Stereoselective Synthesis of Cyclohexanones

[ Vol. 16 , Issue. 1 ]

Author(s):

Yang-Guo Li, Yang Zhang, Guang-Fen Du*, Cheng-Zhi Gu and Lin He*   Pages 76 - 80 ( 5 )

Abstract:


Phosphazene bases have been utilized as efficient organocatalysts to catalyze the double Michael additions of divinyl ketones with active methylenes to afford functionalized cyclohexanones in 36-91% yields with >25:1 diastereoselectivity.

Keywords:

Phosphazene base, double Michael addition, cyclohexanone, organocatalysis, divinyl ketone, methylene.

Affiliation:

Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000, Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000, Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000, Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000, Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000

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