potassium iodide; nickel dichloride; zinc in N,N,N',N',N'',N''-hexamethylphosphoric triamide T=20°C; 28 h;

potassium iodide; palladium dichloride; zinc 1.) HMPA, 50 deg C, 22 h, 2.) HMPA, 20 deg C, 30 h; Yield given. Multistep reaction. Yields of byproduct given;