Multi-step reaction with 6 steps
1.1: n-butyllithium / toluene; hexane; tetrahydrofuran / 3 h / -70 °C / Inert atmosphere
1.2: -20 °C / Inert atmosphere
2.1: caesium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane; water / 5 h / Reflux; Inert atmosphere
3.1: caesium carbonate / palladium diacetate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / 1,4-dioxane / 2.5 h / Reflux; Inert atmosphere
4.1: potassium carbonate / dimethyl sulfoxide / 1.33 h / 90 °C / microwave irradiation
5.1: sodium hydroxide; water; dihydrogen peroxide / ethanol; dimethyl sulfoxide / 1 h / 20 °C
6.1: ammonium formate / palladium 10% on activated carbon / methanol / 2 h / Reflux
With
n-butyllithium; water; dihydrogen peroxide; ammonium formate; potassium carbonate; caesium carbonate; sodium hydroxide;
dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; palladium 10% on activated carbon; palladium diacetate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
tetrahydrofuran; 1,4-dioxane; methanol; ethanol; hexane; water; dimethyl sulfoxide; toluene;