Multi-step reaction with 7 steps
1: pyridine / dichloromethane / 2 h / 20 °C
2: sulfuric acid / 2 h / 0 - 20 °C
3: N-Bromosuccinimide / dichloromethane; N,N-dimethyl-formamide / 22 h / 20 °C
4: trichlorophosphate / 1 h / 100 °C
5: triethylamine / butan-1-ol / 29 h / 135 °C / Sealed tube
6: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / tetrahydrofuran; water / 60 °C / Inert atmosphere
7: caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / bis(dibenzylideneacetone)-palladium(0) / 1,4-dioxane / 16 h / 100 °C
With
pyridine; N-Bromosuccinimide; sulfuric acid; sodium carbonate; caesium carbonate; triethylamine; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; trichlorophosphate;
dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; bis(dibenzylideneacetone)-palladium(0);
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide; butan-1-ol;
6: Suzuki Coupling;