hydrogenchloride; hydrogen; palladium on activated charcoal in ethanol P=2585.7 Torr; 20 h;

1: p-toluenesulfonic acid / toluene / 24 h / Heating 2: 71 percent / concd. HCl, H2 / 10percent Pd/C / ethanol / 20 h / 2585.7 Torr View Scheme

1: benzene / 18 h 2: 2.) H2O / 1.) benzene, reflux, 48 h, 2.) benzene, reflux, 2 h 3: p-toluenesulfonic acid / toluene / 24 h / Heating 4: 71 percent / concd. HCl, H2 / 10percent Pd/C / ethanol / 20 h / 2585.7 Torr View Scheme

1: p-toluenesulfonic acid / toluene / 24 h / Heating 2: 71 percent / concd. HCl, H2 / 10percent Pd/C / ethanol / 20 h / 2585.7 Torr View Scheme