1: tetrakis(triphenylphosphine) palladium(0); K3PO4 / water; toluene / 18 h / 90 °C / Inert atmosphere 2: Ni(PCy3)2Cl2; K3PO4; 1,1,3,3-tetramethyldisiloxane / toluene / 15 h / 115 °C / Inert atmosphere View Scheme