tetrasulphur tetranitride in toluene 6 h; Heating;

Swern oxidation;

1: 34 percent / tetrasulfur tetranitride antimony pentachloride complex / toluene / 1 h / 100 °C 2: 88 percent / NaOH / methanol / 0.5 h / 20 °C View Scheme

1: NaBH4 / methanol / 0.17 h / 20 °C 2: 1.74 g / pyridine / 12 h / 20 °C 3: 34 percent / tetrasulfur tetranitride antimony pentachloride complex / toluene / 1 h / 100 °C 4: 88 percent / NaOH / methanol / 0.5 h / 20 °C View Scheme

1: 30 percent / chromium(VI) oxide; concd. H2SO4 / acetone / 2.75 h / 40 - 45 °C 2: 29 percent / S4N4 / toluene / 6 h / Heating View Scheme