lithium sodium in diethyl ether 3.5 h; Irradiation;

1: 74 percent / H2 / 10 percent Pd/C / ethanol / 7 h 2: 45 percent / 1.) triphenylphosphine, Br2, pyridine / acetonitrile / 0 °C 3: 45 percent / Na-Li alloy (2percent Na) / diethyl ether / 3.5 h / Irradiation View Scheme

1: 90 percent / p-toluenesulfonic acid, molecular sieves (4 Angsroemes) / benzene; ethanol / 48 h / Heating 2: 45 percent / Na-Li alloy (2percent Na) / diethyl ether / 3.5 h / Irradiation View Scheme

1: 45 percent / 1.) triphenylphosphine, Br2, pyridine / acetonitrile / 0 °C 2: 45 percent / Na-Li alloy (2percent Na) / diethyl ether / 3.5 h / Irradiation View Scheme