Sodium Halides as Halogenating Reagents: Rhodium(III)-Catalyzed Versatile and Practical Halogenation of Aryl Compounds

We report a concise, versatile and practical method for the ortho-chlorination, ortho-bromination and ortho-iodination of aryl compounds. The significant advantage of this transformation is the creation of the carbon-halogen bond by use of readily available and cheap halide salts as formal nucleophilic halogenating reagents under mild reaction conditions.

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