1: 96 percent / H2 / PtO2 / ethyl acetate / 0.17 h / Ambient temperature 2: 73 percent / CrO3, glacial AcOH, conc. H2SO4 / acetic acid / 4 h / Ambient temperature 3: 69 percent / NaOH / H2O / 2 h / heated on a steam-bath View Scheme

hydrogen; platinum(IV) oxide in ethyl acetate 0.166667 h; Ambient temperature;