phosphorus tribromide; benzene

1: aq. NaOH; Ni-Al / 1 h / Heating 2: 805 mg / p-toluenesulfonic acid / benzene / 1 h / Heating 3: lithium aluminium hydride / diethyl ether / 1 h / Heating 4: 280 mg / p-toluenesulfonic acid / benzene / 1 h / Heating View Scheme

in benzene T=15°C; 1.5 h; Irradiation;

1: lithium aluminium hydride / diethyl ether / 1 h / Heating 2: 280 mg / p-toluenesulfonic acid / benzene / 1 h / Heating View Scheme

1: 805 mg / p-toluenesulfonic acid / benzene / 1 h / Heating 2: lithium aluminium hydride / diethyl ether / 1 h / Heating 3: 280 mg / p-toluenesulfonic acid / benzene / 1 h / Heating View Scheme