Multi-step reaction with 9 steps
1.1: ethanol / 1 h / 80 °C / Inert atmosphere
2.1: 0.67 h / 250 °C / Inert atmosphere
3.1: potassium carbonate / 5 h / 120 °C / Inert atmosphere
4.1: boron tribromide / dichloromethane / -78 - 25 °C / Inert atmosphere
4.2: Inert atmosphere
5.1: potassium carbonate / N,N-dimethyl-formamide / 50 °C / Inert atmosphere
6.1: water; potassium hydroxide / methanol / 3 h / 90 °C / Inert atmosphere
7.1: triethylamine; isobutyl chloroformate / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
7.2: 1.5 h / -40 °C / Inert atmosphere
8.1: manganese(IV) oxide / dichloromethane / 6.5 h / 25 °C / Inert atmosphere
9.1: sodium tris(acetoxy)borohydride; acetic acid / 1,2-dichloro-ethane / 3 h / 25 °C / Inert atmosphere
With
manganese(IV) oxide; water; boron tribromide; sodium tris(acetoxy)borohydride; potassium carbonate; acetic acid; triethylamine; potassium hydroxide; isobutyl chloroformate;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; 1,2-dichloro-ethane; N,N-dimethyl-formamide;