The first example of Ni-catalyzed halogenation of (hetero)aryl C–H bonds with lithium halides (LiX, X = Br, I, Cl) using PIP as a removable directing group is reported. This protocol provides an efficient access to ortho-halogenated (hetero)arenes with operational simplicity, good functional group tolerance, and large-scale synthesis.
B. Zhan, Y. Liu, F. Hu and B. Shi, Chem. Commun., 2016, 52, 4934 DOI: 10.1039/C6CC00822D
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