4.8 Article

Cu-Catalyzed Arylcarbocyclization of Alkynes with Diaryliodonium Salts through C-C Bond Formation on Inert C(sp3)-H Bond

Journal

ORGANIC LETTERS
Volume 16, Issue 14, Pages 3776-3779

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol501655g

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Funding

  1. National Natural Science Foundation of China [21102080, 21372138, 21290194, 21221002, 21032004]
  2. Tsinghua University Initiative Scientific Research Program [2011Z02150]

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Copper-catalyzed arylcarbocyclization reaction of alkynes was realized with diaryliodonium salts through C-C bond formation on an inert C-(sp3)-H bond. This method provides an efficient cyclization of alkyl alkynes to generate carbocycles with good step-economy. Theoretical study revealed an interesting Cu-catalyzed concerted pathway of the C-C bond formation.

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