Advanced Synthesis and Catalysis p. 3076 - 3080 (2015)
Update date:2022-08-05
Topics: Workup and Purification Reaction Conditions Selection of Starting Materials Reaction Sequence Catalysts and Reagents
Xing, Li-Juan
Lu, Tao
Fu, Wei-Li
Lou, Mei-Mei
Chen, Bo
Wang, Zhi-Shen
Jin, Yang
Li, Dan
Wang, Bin
A mild and efficient cascade synthesis of 1,5-diketones from readily available N,N-dicyclohexylmethylamine, 1,3-dicarbonyl compounds, and trifluoromethyl β-diketones has been developed. This cascade reaction occurs via an oxidation/Mannich reaction/Cope elimination/Michael addition/retro-Claisen reaction sequence, and provides multiple C-C bond formations in one pot. In addition, exquisite chemoselectivity is achieved in the reaction between 1,3-dicarbonyl compounds and trifluoromethyl β-diketones.
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