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Nickel-catalyzed C-P cross-coupling of arylboronic acids with P(O)H compounds.

A novel and efficient Ni-catalyzed coupling of a wide range of arylboronic acids with H-phosphites, H-phosphinate esters, and H-phosphine oxides has been developed, providing a general and powerful tool for the synthesis of various aryl-phosphorus compounds, especially for valuable triarylphosphine oxides, in good to excellent yield. This protocol is the first Ni-catalyzed C-P bond-forming reaction between arylboronic acids and P(O)H compounds.