Citation: Xu Dong LIU, Xiao Li BAI, Xue Peng QIU, Lian Xun GAO. Asymmetric Phase-transfer Mediated Epoxidation of α,β-Enones Using Dendritic Catalysts Derived from Cinchona Alkaloids[J]. Chinese Chemical Letters, ;2005, 16(7): 975-978. shu

Asymmetric Phase-transfer Mediated Epoxidation of α,β-Enones Using Dendritic Catalysts Derived from Cinchona Alkaloids

State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Graduate School of the Chinese Academy of Sciences, Changchun 130022

Received Date: 16 August 2004

Chiral phase-transfer catalysts, derived from cinchona alkaloids and Frechet dendritic wedges up to generation two, have been synthesized. These chiral dendritic molecules have been used as PTCs in the epoxidation of α,β-enones, showing a moderate level of asymmetric induction.
- Asymmetric epoxidation,
- phase-transfer catalysis,
- cinchona alkaloids
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