1392297-86-7Relevant articles and documents
Direct C(sp2)-H Arylsulfonylation of Enamides via Iridium(III)-Catalyzed Insertion of Sulfur Dioxide with Aryldiazonium Tetrafluoroborates
Zhu, Tong-Hao,Zhang, Xiao-Chen,Cui, Xian-Lu,Zhang, Ze-Yu,Jiang, Hui,Sun, Shan-Shan,Zhao, Li-Li,Zhao, Kai,Loh, Teck-Peng
, p. 3593 - 3598 (2019)
An iridium(III)-catalyzed three-component reaction of enamides, aryldiazonium tetrafluoroborates, and 1,4-diazabicyclo[2.2.2]octane bis(sulfur dioxide) (DABSO) for the direct C(sp2)?H arylsulfonylation of enamides is developed. This transformation provides a robust and straightforward approach for preparing a diverse array of β-amidovinyl sulfones in moderate to excellent yields and high stereoselectivities without Light-emitting diode (LED) radiation. This transformation also features mild conditions, broad substrate scopes, and excellent functional group tolerance. (Figure presented.).