hydrogenchloride; sodium azide; sodium nitrite 1.) water, 0 - 5 deg C, 1 h; 2.) water, room temp., 1 h; Yield given. Multistep reaction;

1: 38 percent / methanol; dioxane / 0.5 h / Irradiation 2: 98 percent / LiAlH4 / tetrahydrofuran / 1 h / Ambient temperature 3: 90 percent / LiAlH4 / tetrahydrofuran / 1 h / Heating View Scheme