1: 97 percent / aq. sodium hydroxide / dimethylsulfoxide / 12 h / 20 °C 2: 83 percent / copper iodide / PdCl2(PPh3)2 / triethylamine / 2 h / 60 °C 3: 90 percent / potassium carbonate / CH2Cl2; methanol / 20 °C View Scheme

1: 83 percent / copper iodide / PdCl2(PPh3)2 / triethylamine / 2 h / 60 °C 2: 90 percent / potassium carbonate / CH2Cl2; methanol / 20 °C View Scheme

1: 97 percent / aq. sodium hydroxide / dimethylsulfoxide / 12 h / 20 °C 2: 83 percent / copper iodide / PdCl2(PPh3)2 / triethylamine / 2 h / 60 °C 3: 90 percent / potassium carbonate / CH2Cl2; methanol / 20 °C View Scheme

1: potassium carbonate / acetonitrile / 3 h / Reflux 2: copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); N-ethyl-N,N-diisopropylamine; triphenylphosphine / tetrahydrofuran / 15 h / 20 °C 3: methanol; potassium carbonate / tetrahydrofuran / 2 h View Scheme