in methanol; water T=25°C; 19 h; +0.7V/61mA; anode: graphite felt, cathode: Pt, electrolyte: K2HPO4/K2HPO4;

1: 62 percent / aq. H2SO4 / 12 h 2: 23 percent / H2O; methanol / 19 h / 25 °C / +0.7V/61mA; anode: graphite felt, cathode: Pt, electrolyte: K2HPO4/K2HPO4 View Scheme

in trifluoroacetic acid 1) 0.5h room temp., H2O, 2) pH 4.5, NaOAc, 6 deg C, 12h;