1: 69 percent / hydrogen peroxide; KOH / methanol; H2O / 0.08 h / Heating 2: 66 percent / sodium borohydride / ethanol; H2O / 3 h / Heating View Scheme

potassium hydroxide; dihydrogen peroxide in ethanol 0.5 h;

1: 87 percent / 5percent aq. hydrogen peroxide, potassium hydroxide / ethanol / 0.5 h 2: 82 percent / morpholine, sodium borohydride / ethanol; H2O / 6 h / Heating 3: 1.) benzoyl chloride, 4.) sodium carbonate / 1.) 0 deg C, 2 h, 2.) 2 h, r.t., 3.) toluene, 1 h, 4.) aq. ethanol, 15 min, reflux View Scheme