Multi-step reaction with 4 steps
1.1: sodium carbonate / tetrahydrofuran; water / 0.17 h / Inert atmosphere
1.2: 6 h / 65 °C
2.1: iron; ammonium chloride / water; ethanol / 1 h / Reflux
3.1: triethylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / ethyl acetate; N,N-dimethyl-formamide / 18 h / 20 °C
3.2: 2 h / 65 °C
4.1: hydrogenchloride / 1,4-dioxane / 0.5 h / 20 °C
With
hydrogenchloride; iron; sodium carbonate; ammonium chloride; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine;
In
tetrahydrofuran; 1,4-dioxane; ethanol; water; ethyl acetate; N,N-dimethyl-formamide;