Multi-step reaction with 9 steps
1: triphenylphosphine; di-isopropyl azodicarboxylate / 2 h / 60 °C
2: palladium 10% on activated carbon; hydrogen / methanol / 15 h
3: Rh/Al2O3; hydrogen / acetic acid; ethanol / 2.5 h / 20 °C / 8?atm
4: sodium methylate / methanol / Reflux
5: diazomethyl-trimethyl-silane / benzene; hexane / 1 h / 20 °C
6: trichloroisocyanuric acid; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical / dichloromethane / 0.5 h / 0 - 20 °C
7: sodium tris(acetoxy)borohydride / tetrahydrofuran / 2.5 h / 20 °C
8: hydrogenchloride; water / 1,4-dioxane / 12 h / 20 °C
9: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / N,N-dimethyl-formamide / 2 h / 20 °C
With
hydrogenchloride; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; di-isopropyl azodicarboxylate; trichloroisocyanuric acid; palladium 10% on activated carbon; Rh/Al2O3; water; hydrogen; sodium methylate; sodium tris(acetoxy)borohydride; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; triphenylphosphine; diazomethyl-trimethyl-silane;
In
tetrahydrofuran; 1,4-dioxane; methanol; ethanol; hexane; dichloromethane; acetic acid; N,N-dimethyl-formamide; benzene;
1: |Mitsunobu Displacement;
DOI:10.1016/j.bmc.2012.11.003