1: 75 percent / I2 / 1,2-dichloro-benzene / Heating; overnight 2: 90 percent / H2 / 10percent Pd/C / ethanol / 48 h / 80 °C / 3102.9 Torr 3: 84 percent / LiAlH4 / tetrahydrofuran / 24 h / Heating 4: 48percent hydrobromic acid / 12 h / Heating View Scheme

1: 75 percent / I2 / 1,2-dichloro-benzene / Heating; overnight 2: 90 percent / H2 / 10percent Pd/C / ethanol / 48 h / 80 °C / 3102.9 Torr 3: 84 percent / LiAlH4 / tetrahydrofuran / 24 h / Heating View Scheme

iodine in 1,2-dichloro-benzene Heatingovernight;

1: 75 percent / I2 / 1,2-dichloro-benzene / Heating; overnight 2: 90 percent / H2 / 10percent Pd/C / ethanol / 48 h / 80 °C / 3102.9 Torr View Scheme