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Aryl iodides (ArI) couple with aryl aldehydes (Ar'CHO) in the presence of Ni(dppe)Br(2) and Zn to give the corresponding biaryl ketones (ArCOAr'). The use of a bidentate phosphine complex is critical to the success of this catalytic reaction. The reaction provides a new procedure for the synthesis of various functionalized biaryl ketones.
Huang et al. (Fri,) studied this question.