1: palladium/charcoal; methanol; potassium acetate / Hydrogenation 2: aqueous NH3 3: POCl3 / 120 - 130 °C 4: ethanol; tris-<2-hydroxy-ethyl>-amine / Einleiten von H2S View Scheme

1: palladium/charcoal; methanol; potassium acetate / Hydrogenation 2: aqueous NH3 View Scheme

1: palladium/charcoal; methanol; potassium acetate / Hydrogenation 2: aqueous NH3 3: POCl3 / 120 - 130 °C View Scheme

methanol; palladium on activated charcoal; potassium acetate Hydrogenation;