Abstract
A nickel-catalyzed three-component carboamination of the biphenylene C-C σ-bond has been developed. Arylboronates and hydroxylamine derivatives work as carbon nucleophiles and nitrogen electrophiles, respectively, and the corresponding difunctionalized ring-opening products are obtained in good yields. The arylboronate nucleophile can be replaced with B2pin2 (boron nucleophile) and H-Si(OMe)3 (hydride nucleophile), thus allowing for the aminoboration and hydroamination of the biphenylene C-C σ-bond under similar nickel catalysis.
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