1: phosphorus oxychloride / 20 h / Ambient temperature 2: osmium tetraoxide, sodium periodate / dioxane; H2O / 3 h 3: 72 percent / 1.5 h / Heating View Scheme

1: osmium tetraoxide, sodium periodate / dioxane; H2O / 3 h 2: 72 percent / 1.5 h / Heating View Scheme

1.5 h; Heating;