hydrogen bromide 5 h; Heating;

1: 89 percent / CHCl3 / Heating 2: 72 percent / 46 percent hydrobromic acid / 5 h / Heating View Scheme

1: 72 percent / AlCl3 / 1.) 15 deg C, 6.5 h, 2.) R.T. overnight 2: 88 percent / NaBH4 / ethanol / 5 h / 50 - 60 °C 3: 90 percent / gaseous HCl, CaCl2 / benzene / 4.5 h / 10 - 15 °C 4: 89 percent / CHCl3 / Heating 5: 72 percent / 46 percent hydrobromic acid / 5 h / Heating View Scheme

1: 89 percent / CHCl3 / Heating 2: 72 percent / 46 percent hydrobromic acid / 5 h / Heating View Scheme

1: 72 percent / AlCl3 / 1.) 15 deg C, 6.5 h, 2.) R.T. overnight 2: 88 percent / NaBH4 / ethanol / 5 h / 50 - 60 °C 3: 90 percent / gaseous HCl, CaCl2 / benzene / 4.5 h / 10 - 15 °C 4: 89 percent / CHCl3 / Heating 5: 72 percent / 46 percent hydrobromic acid / 5 h / Heating View Scheme