期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 141, 期 46, 页码 18437-18443出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.9b06956
关键词
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资金
- Fundacao para a Ciencia e Tecnologia [SFRH/BD/141844/2018 FCT]
- FWF [M 2274, P 30226]
- ERC [CoG VINCAT 682002]
- Austrian Academy of Sciences (DOC fellowship)
- University of Vienna (uni:docs fellowship)
- Austrian Science Fund (FWF) [M2274] Funding Source: Austrian Science Fund (FWF)
Functionalization at the alpha-position of carbonyl compounds has classically relied on enolate chemistry. As a result, the generation of a new C-X bond, where X is more electronegative than carbon requires an oxidation event. Herein we show that, by rendering the alpha-position of amides electrophilic through a mild and chemoselective umpolung transformation, a broad range of widely available oxygen, nitrogen, sulfur, and halogen nucleophiles can be used to generate alpha-functionalized amides. More than 60 examples are presented to establish the generality of this process, and calculations of the mechanistic aspects underline a fragmentation pathway that accounts for the broadness of this methodology.
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