carbon tetrabromide; triphenylphosphine in acetonitrile T=25°C; 1 h;

With  toluene-4-sulfonic acid in  methanol T=25°C; 4 h;   

Multi-step reaction with 3 steps 1: 86 percent / 5 N NaOH / benzene / 12 h / 25 °C2: 1.) (Sia)2BH, 2.) H2O2, NaOH / 1.) THF, 0 deg C, 1 h, 2.) THF, 0 deg C, 1 h3: 93 percent / TsOH / methanol / 4 h / 25 °C