Halogen Exchange via a Halogenation of Diaryliodonium Salts with Cuprous Halide
J Li, L Liu, D Ding, J Sun
Index: Li, Jian; Liu, Li; Ding, Dong; Sun, Jiang-Tao Letters in Organic Chemistry, 2013 , vol. 10, # 8 p. 541 - 548
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Abstract
An efficient halogenation reaction has been developed with diaryliodonium salts and cuprous halides. Various diaryliodonium salts 1 could perform the reaction with readily available CuBr or CuCl in CH3CN at 80° C, assembling bromoarenes or chloroarenes in up to 92% yields. This provides us a method for the transformation from iodoarenes to other haloarenes.
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