toluene-4-sulfonic acid in toluene Heating;

hydrogen; platinum(IV) oxide in ethanol P=1650.1 - 2100.2 Torr; 15 h; Ambient temperature;

1: 65 percent / H2 / PtO2 / ethanol / 15 h / 1650.1 - 2100.2 Torr / Ambient temperature 2: 2.) aq. HCl / 1.) benzene, ether, 50 deg C, 12 h View Scheme