1 Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China. jianweihan@ecust.edu.cn.
We herein report an efficient regioselective cascade of arylation and cyclization of arylcarboxylic acids via Pd(II)-activation of both C-I and vicinal C-NO2 bonds of ortho-nitro-substituted diaryliodonium salts.