hydrogen; platinum(IV) oxide in ethanol P=775.7 Torr; 0.5 h;

1: 12 percent / sodium acetate; AcOH / ethanol / 3 h / Heating 2: 4.5 percent / aq. H2SO4 / 4 h / Heating View Scheme

1: 46.9 g / 6 h / 190 °C 2: 95 percent / water / Heating 3: 30 percent / lead tetraacetate, pyridine / dioxane / 0.17 h / 60 °C 4: p-toluenesulfonic acid monohydrate / xylene / 81 h / Heating 5: Heating 6: 100 percent / H2 / PtO2 / ethanol / 0.5 h / 775.7 Torr View Scheme

1: Heating 2: 100 percent / H2 / PtO2 / ethanol / 0.5 h / 775.7 Torr View Scheme

Candida rugosa lipase pH=7.5; 2 h; aq. phosphate buffer;

1: With sodium acetate; acetic acid in ethanol 3 h; Heating; 2: With sulfuric acid in water 4 h; Heating;