Rixin Wang Sunewang, Arrowsmith Merle, Braunschweig Holger, Dewhurst Rian D, Paprocki Valerie, Winner Lena
Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
Chem Commun (Camb). 2017 Oct 31;53(87):11945-11947. doi: 10.1039/c7cc07371b.
Upon complexation to CuOTf, a PMe-stabilized bis(9-anthryl) diborene slowly undergoes an intramolecular hydroarylation reaction at room temperature. Subsequent triflation of the B-H bond with CuOTf, followed by a PMe transfer, finally yields a cyclic sp-sp boryl-substituted boronium triflate salt.