Amide-directed photoredox-catalysed C-C bond formation at unactivated sp(3) C-H bonds.
Amide-directed photoredox-catalysed C-C bond formation at unactivated sp(3) C-H bonds.
复制标题
在未激活的SP(3)C-H键处,酰胺导向的光电毒素催化的C-C键形成。
DOI:
10.1038/nature19810
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发表时间:
2016-11-10
期刊:
影响因子:
64.8
通讯作者:
Rovis T
中科院分区:
文献类型:
--
作者:
Chu JC;Rovis T
Carbon-carbon (C-C) bond formation is paramount in the synthesis of biologically relevant molecules, modern synthetic materials and commodity chemicals such as fuels and lubricants. Traditionally, the presence of a functional group is required at the site of C-C bond formation. Strategies that allow C-C bond formation at inert carbon-hydrogen (C-H) bonds allow scientists to access molecules which would otherwise be inaccessible and to develop more efficient syntheses of complex molecules. Herein we report a method for the formation of C-C bonds by directed cleavage of traditionally non-reactive C-H bonds and their subsequent coupling with readily available alkenes. Our methodology allows for the selective C-C bond formation at single C-H bonds in molecules that contain a multitude of seemingly indifferentiable such bonds. Selectivity arises through a relayed photoredox catalyzed oxidation of an N-H bond. We anticipate our findings to serve as a starting point for functionalization at inert C-H bonds through a hydrogen atom transfer strategy.
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