Multi-step reaction with 9 steps
1: dichloromethane / 20 °C
2: hydrogen / 20% palladium hydroxide on carbon / ethanol / 20 °C / 3000.3 Torr
3: 1H-imidazole / dichloromethane / 3 h / 20 °C
4: pyridine / dichloromethane; toluene / 0 - 20 °C
5: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
6: Dess-Martin periodane / dichloromethane / 3.5 h / 20 °C / Inert atmosphere
7: water; sodium chlorite; sodium dihydrogenphosphate / 2-methyl-but-2-ene; tert-butyl alcohol; tetrahydrofuran
8: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / 0 - 20 °C
9: hydrogenchloride / dichloromethane; 1,4-dioxane / 3.5 h / 0 - 20 °C
With
pyridine; 1H-imidazole; hydrogenchloride; sodium chlorite; sodium dihydrogenphosphate; tetrabutyl ammonium fluoride; water; hydrogen; Dess-Martin periodane; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine;
20% palladium hydroxide on carbon;
In
tetrahydrofuran; 1,4-dioxane; 2-methyl-but-2-ene; ethanol; dichloromethane; toluene; tert-butyl alcohol;