1: 85 percent / sodium nitrile, 5percent aq. H2SO4 / H2O; CH2Cl2 / 1 h / 0 - 5 °C 2: 85 percent / bromine / CH2Cl2 / 1 h / 0 - 5 °C 3: 72 percent / hydrogen, K2HPO4 / 5percent palladium on calcium carbonate / ethyl acetate; H2O / 2 h / 2068.6 Torr / Ambient temperature 4: 75 percent / 30percent hydrogen peroxide, sodium tungstate / acetone / 48 h / Ambient temperature 5: 65 percent / NaHCO3 / acetone; H2O / 4 h / 5 - 10 °C / pH 9 View Scheme