Nickel Meets Aryl Thianthrenium Salts: Ni(I)-Catalyzed Halogenation of Arenes

Shengyang Ni,Jiyao Yan,Srija Tewari,Edward J. Reijerse,Tobias Ritter,Josep Cornella

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY（2023）

Cited 6|Views15
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Abstract
Herein, a regioselective, late-stage two-step arene halogenation method is reported. We propose how unusual Ni(I)/ (III) catalysis is enabled by a combination of aryl thianthrenium and Ni redox properties that is hitherto unachieved with other (pseudo)halides. The catalyst is accessed in situ from inexpensive NiCl2 center dot 6(H2O) and zinc without the need of supporting ligands.
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Key words
aryl thianthrenium salts,nickel,halogenation,nickel
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