Multi-step reaction with 6 steps
1: sodium tris(acetoxy)borohydride / dichloromethane / 3 h / 0 - 20 °C
2: iron; hydrogenchloride / water; ethanol / 1 h / Reflux
3: 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate / 1,4-dioxane / 3 h / 130 °C / Sealed tube
4: iron; hydrogenchloride / water; ethanol / 3 h / Reflux
5: N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.5 h
6: hydrogenchloride / 1,4-dioxane; ethyl acetate / 20 °C
With
hydrogenchloride; tris-(dibenzylideneacetone)dipalladium(0); sodium tris(acetoxy)borohydride; iron; caesium carbonate; N-ethyl-N,N-diisopropylamine; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate;
In
1,4-dioxane; ethanol; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide;