4.7 Article

Construction of C2-Quaternary-indol-3-ones via RhIII-Catalyzed [3+2] Spirocyclization from Indole Ketones and Nitroolefins

Journal

JOURNAL OF ORGANIC CHEMISTRY
Volume 87, Issue 9, Pages 6179-6188

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.2c00408

Keywords

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Funding

  1. Sichuan Science and Technology Program [2021YFG0111]
  2. National Natural Science Foundation of China [22107082]
  3. Guangxi Science and Technology Development under the Central Government [2021ZYD0058, ZY20198020]

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In this study, novel complex C2-quaternary-indol-3-one units bearing versatile nitro groups were successfully developed from pseudo-indolones and alpha,beta-unsaturated nitroolefins through rhodium-catalyzed C-H activation/[3 + 2] spirocyclization. Notably, four diastereomers could be selectively obtained in the reaction by condition control.
Novel complex C2-quaternary-indol-3-one units bearing versatile nitro groups have been successfully developed frompseudo-indolones and alpha,beta-unsaturated nitroolefins through rhodium-catalyzed C-H activation/[3 + 2] spirocyclization. Notably,four diastereomers could be selectively obtained in the reaction by condition control

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