Multi-step reaction with 8 steps
1: trichlorophosphate / N,N-dimethyl-formamide / 24 h / 0 - 80 °C / Inert atmosphere
2: sodium hydroxide / tetrahydrofuran / 2 h / 20 °C
3: potassium carbonate / N,N-dimethyl-formamide / 2 h / 20 °C
4: caesium carbonate / N,N-dimethyl-formamide / 2 h / 80 °C / Inert atmosphere
5: sulfuric acid / 1 h / 50 °C
6: sodium hydrogencarbonate; N-iodo-succinimide / 1,4-dioxane / 24 h / 20 °C
7: toluene-4-sulfonic acid / dichloromethane / 12 h / 20 °C
8: sodium 2′-dicyclohexylphosphino-2,6-dimethoxy-1,1′-biphenyl-3-sulfonate hydrate; palladium diacetate / N,N-dimethyl-formamide / 0.33 h / 130 °C / Microwave irradiation; Inert atmosphere
With
N-iodo-succinimide; sulfuric acid; sodium 2′-dicyclohexylphosphino-2,6-dimethoxy-1,1′-biphenyl-3-sulfonate hydrate; palladium diacetate; sodium hydrogencarbonate; potassium carbonate; caesium carbonate; toluene-4-sulfonic acid; sodium hydroxide; trichlorophosphate;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; N,N-dimethyl-formamide;