1: aq. NaN3 / acetone / 0.25 h / Ambient temperature 2: H2O / tetrahydrofuran / 1 h / Heating 3: 1.) NaNO2, HCl, 2.) NiCl2, potassium O-ethyldithiocarbonate, 3.) LiAlH4 View Scheme

1: SOCl2 / 3 h / Heating 2: aq. NaN3 / acetone / 0.25 h / Ambient temperature 3: H2O / tetrahydrofuran / 1 h / Heating 4: 1.) NaNO2, HCl, 2.) NiCl2, potassium O-ethyldithiocarbonate, 3.) LiAlH4 View Scheme

hydrogenchloride; lithium aluminium tetrahydride; potassium ethylxanthate; nickel dichloride; sodium nitrite Yield given. Multistep reaction;