1.1: sodium periodate / water; isopropyl alcohol / 20 h / 0 - 20 °C / Inert atmosphere 2.1: iodine; sodium hydrogencarbonate; potassium iodide / dichloromethane; water / 0.5 h / 0 °C / Inert atmosphere 3.1: sodium chlorite; sodium dihydrogen phosphate dihydrate; 2-methyl-but-2-ene / tetrahydrofuran; tert-butyl alcohol / 2 h / 0 °C / Inert atmosphere 4.1: diphenylphosphoranyl azide; triethylamine / toluene / 2.5 h / 20 - 110 °C / Inert atmosphere 5.1: toluene / 7 h / 75 °C / Inert atmosphere 6.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere 6.2: 1 h / -78 °C / Inert atmosphere 7.1: acetic acid; zinc / ethanol / 3 h / 0 °C / Inert atmosphere 8.1: diethylphosphoryl cyanide; triethylamine / dichloromethane / 15 h / 20 °C / Inert atmosphere 9.1: LiAlH(Ot-Bu)3 / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere 10.1: pyridinium p-toluenesulfonate / 15 h / 0 °C / Inert atmosphere 11.1: boron trifluoride diethyl etherate / dichloromethane / 1 h / -60 °C / Inert atmosphere 12.1: water; sodium hydroxide / propan-1-ol / Inert atmosphere; Reflux View Scheme