Multi-step reaction with 9 steps
1: thionyl chloride / 3 h / Reflux
2: aluminum (III) chloride / 6 h / Reflux
3: hydroxylamine hydrochloride; sodium carbonate / ethanol / 3 h / Reflux
4: sodium tetrahydroborate; titanium tetrachloride / 1,2-dimethoxyethane / 0 - 20 °C / Inert atmosphere
5: triethylamine / dichloromethane / 0 - 20 °C
6: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; triethylamine / tetrahydrofuran / Reflux; Inert atmosphere
7: hydrogenchloride / 1,4-dioxane / 20 °C
8: triethylamine; HATU / ethyl acetate / 2 h / 20 °C
9: sodium hydroxide / 1,4-dioxane / Reflux
With
hydrogenchloride; aluminum (III) chloride; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium tetrahydroborate; thionyl chloride; hydroxylamine hydrochloride; titanium tetrachloride; sodium carbonate; triethylamine; HATU; sodium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; 1,2-dimethoxyethane; ethanol; dichloromethane; ethyl acetate;