Multi-step reaction with 9 steps
1.1: copper(l) iodide / tetrahydrofuran / 3 h / 0 °C
2.1: sodium hydroxide / ethanol; water / 15 h / 20 °C
2.2: 0 °C / pH 3
3.1: copper(I) oxide / acetonitrile / 1 - 1.25 h / Heating / reflux
4.1: diisobutylaluminium hydride / dichloromethane / 4 h / -78 - -60 °C
5.1: sodium tris(acetoxy)borohydride / dichloromethane / 2 h / 20 °C
6.1: hydrogen / palladium 10% on activated carbon; palladium(II) hydroxide/carbon / ethanol / 21 h / 20 °C / 760.05 Torr
7.1: O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 20 °C
8.1: hydrogenchloride / 1,4-dioxane; dichloromethane / 3 h / 20 °C
9.1: pyridine / dichloromethane / 20 °C
With
pyridine; copper(I) oxide; hydrogenchloride; sodium hydroxide; hydrogen; sodium tris(acetoxy)borohydride; diisobutylaluminium hydride; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine;
copper(l) iodide; palladium(II) hydroxide/carbon; palladium 10% on activated carbon;
In
tetrahydrofuran; 1,4-dioxane; ethanol; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;