Multi-step reaction with 7 steps
1.1: potassium carbonate / N,N-dimethyl-formamide / 4 h / 120 °C
2.1: hydrogen / 5%-palladium/activated carbon / methanol / 20 °C / Inert atmosphere
3.1: sulfuric acid / 1,2-dimethoxyethane; water
3.2: 0.83 h / 0 - 5 °C
3.3: 0.5 h / 0 °C
4.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 0.17 h / 20 °C / Inert atmosphere
4.2: 18 h / 90 °C / Inert atmosphere
5.1: sodium carbonate / bis-triphenylphosphine-palladium(II) chloride / 1,2-dimethoxyethane; ethanol; water / 18 h / 80 °C
6.1: tetrabutyl ammonium fluoride / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / N,N-dimethyl-formamide; tetrahydrofuran / 0.5 h / 120 °C / Inert atmosphere; Microwave irradiation
7.1: AD-mix β / water; tert-butyl alcohol / 18 h / 20 °C / Cooling with ice
With
AD-mix β; sulfuric acid; tetrabutyl ammonium fluoride; hydrogen; sodium carbonate; potassium carbonate;
bis-triphenylphosphine-palladium(II) chloride; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; 5%-palladium/activated carbon;
In
tetrahydrofuran; 1,4-dioxane; methanol; 1,2-dimethoxyethane; ethanol; water; N,N-dimethyl-formamide; tert-butyl alcohol;