hydrogenchloride; iron in ethanol; water 1.) 75-80 deg C, 40 min 2.) reflux, 2 h;

n-butyllithium; benzoic acid in hexane 0.5 h; Ambient temperature;

1: 85.8 percent / 1.) NaOH / ethanol / 1.) 15 min 2.) reflux, 14 h 2: 82 percent / H2O2 / acetic acid / 1.) below 80 deg C, 80 min 2.) reflux, 2 h 3: 94.5 percent / Fe powder, HCl / ethanol; H2O / 1.) 75-80 deg C, 40 min 2.) reflux, 2 h View Scheme

1: 82 percent / H2O2 / acetic acid / 1.) below 80 deg C, 80 min 2.) reflux, 2 h 2: 94.5 percent / Fe powder, HCl / ethanol; H2O / 1.) 75-80 deg C, 40 min 2.) reflux, 2 h View Scheme