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Halogen Exchange via a Halogenation of Diaryliodonium Salts with Cuprous Halide

[ Vol. 10 , Issue. 8 ]


Jian Li, Li Liu, Dong Ding and Jiang-tao Sun   Pages 541 - 548 ( 8 )


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.


Diaryliodonium salts, Halogenation, Cuprous halide, Aromatic halides, Iodoarenes.


School of Pharmaceutical Engineering & Life Sciences, Chang Zhou University, Changzhou, 213164, P.R. China.

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