2-azidoethanol; triphenylphosphine; bis(dibenzylideneacetone)-palladium(0) T=120°C; P=29420.3 Torr; 16 h;

sodium hydroxide; titanium(III) chloride; acetate buffer in methanol 3 h;

1: t-BuONO, HCl / diethyl ether 2: 35 percent / NH2OH*HCl / dioxane; methanol; H2O / 48 h / Ambient temperature 3: 19 percent / H2, Ra-Ni / methanol / 35 °C / 136800 Torr View Scheme

1: 35 percent / NH2OH*HCl / dioxane; methanol; H2O / 48 h / Ambient temperature 2: 19 percent / H2, Ra-Ni / methanol / 35 °C / 136800 Torr View Scheme