Multi-step reaction with 9 steps
1.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 20 °C
2.1: hydrazine hydrate / ethanol / 48 h / 20 °C
3.1: hydrogenchloride; sodium nitrite / water / 0.5 h / 0 - 5 °C
4.1: trichlorophosphate / 24 h / Reflux
4.2: pH ~ 8 / Cooling with ice
5.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 2 h / 20 °C
5.2: 2 h / 20 °C
6.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 2 h / 90 °C
7.1: sulfuric acid / 4 h / 81 °C
8.1: thionyl chloride / 4 h / 0 °C / Reflux
9.1: sodium carbonate / 1,4-dioxane; water / 2 h / 80 °C / Inert atmosphere
9.2: 1 h / 80 °C
9.3: pH ~ 4
With
hydrogenchloride; dmap; thionyl chloride; sulfuric acid; sodium carbonate; hydrazine hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; 3-chloro-benzenecarboperoxoic acid; sodium nitrite; trichlorophosphate;
In
1,4-dioxane; ethanol; dichloromethane; water; N,N-dimethyl-formamide;