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- W3040051317 startingPage "17582" @default.
- W3040051317 abstract "Abstract Vinylcyclopropanes (VCPs) are commonly used in transition‐metal‐catalyzed cycloadditions, and the utilization of their recently realized reactivities to construct new cyclic architectures is of great significance in modern synthetic chemistry. Herein, a palladium‐catalyzed, visible‐light‐driven, asymmetric [5+2] cycloaddition of VCPs with α‐diazoketones is accomplished by switching the reactivity of the Pd‐containing dipolar intermediate from an all‐carbon 1,3‐dipole to an oxo‐1,5‐dipole. Enantioenriched seven‐membered lactones were produced with good reaction efficiencies and selectivities (23 examples, 52–92 % yields with up to 99:1 er and 12.5:1 dr). In addition, computational investigations were performed to rationalize the observed high chemo‐ and periselectivities." @default.
- W3040051317 created "2020-07-10" @default.
- W3040051317 creator A5029146832 @default.
- W3040051317 creator A5044960680 @default.
- W3040051317 creator A5047329677 @default.
- W3040051317 creator A5050027776 @default.
- W3040051317 creator A5058237929 @default.
- W3040051317 creator A5061000219 @default.
- W3040051317 creator A5090731971 @default.
- W3040051317 date "2020-08-11" @default.
- W3040051317 modified "2023-10-16" @default.
- W3040051317 title "Utilizing Vinylcyclopropane Reactivity: Palladium‐Catalyzed Asymmetric [5+2] Dipolar Cycloadditions" @default.
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