1: 69 percent / conc. HCl, H2 / 5percent Pt/C sulfided / methanol; H2O / 2699.3 Torr / 1-2 h 2: 83 percent / Na2CO3 / H2O / 6 h / Heating 3: 78 percent / H2 / 5percent Pt/C / ethanol / 2 h / 2699.3 Torr View Scheme

sodium carbonate in water 9 h; Heating;

1: 69 percent / conc. HCl, H2 / 5percent Pt/C sulfided / methanol; H2O / 2699.3 Torr / 1-2 h 2: 83 percent / Na2CO3 / H2O / 6 h / Heating 3: 78 percent / H2 / 5percent Pt/C / ethanol / 2 h / 2699.3 Torr View Scheme

1: 69 percent / conc. HCl, H2 / 5percent Pt/C sulfided / methanol; H2O / 2699.3 Torr / 1-2 h 2: 22 percent / H2, HCl / Pt-black / methanol; H2O / 3 h / 2699.3 Torr View Scheme

1: 69 percent / conc. HCl, H2 / 5percent Pt/C sulfided / methanol; H2O / 2699.3 Torr / 1-2 h 2: 83 percent / Na2CO3 / H2O / 6 h / Heating View Scheme