Multi-step reaction with 9 steps
1.1: hydrogenchloride; aluminum (III) chloride / 1,2-dichloro-ethane / 2.5 h / 20 °C
1.2: Cooling with ice
2.1: pyridine / dichloromethane / 0.5 h / 0 - 10 °C / Inert atmosphere
3.1: zinc / 1,1'-bis-(diphenylphosphino)ferrocene; tris-(dibenzylideneacetone)dipalladium(0) / N,N-dimethyl-formamide / 8.25 h / 20 - 80 °C / Inert atmosphere
4.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane / 72 h / 20 °C / Cooling with ice
5.1: diisobutylaluminium hydride / dichloromethane; toluene / 2 h / 20 °C / Cooling with ice
5.2: 1 h
6.1: borane-THF / tetrahydrofuran / 40 °C
6.2: 0.5 h / 20 °C
7.1: Dess-Martin periodane / dichloromethane / 2 h / 20 °C
8.1: acetic acid / 1,2-dichloro-ethane / 1 h / 20 °C
8.2: 20 °C
9.1: hydrogenchloride / 1,4-dioxane / 20 °C
With
pyridine; hydrogenchloride; aluminum (III) chloride; borane-THF; diisobutylaluminium hydride; Dess-Martin periodane; acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; zinc;
1,1'-bis-(diphenylphosphino)ferrocene; tris-(dibenzylideneacetone)dipalladium(0);
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; 1,2-dichloro-ethane; N,N-dimethyl-formamide; toluene;