Multi-step reaction with 4 steps
1: triethylamine / methanol / 5 h / -20 - 20 °C
2: palladium diacetate; potassium carbonate; dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane / 1,4-dioxane; water / 0.5 h / 120 °C / Microwave irradiation
3: lithium hydroxide; water / methanol; tetrahydrofuran / 2 h / 20 °C
4: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine / dichloromethane / 12 h / 0 - 20 °C
With
dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; water; palladium diacetate; potassium carbonate; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine; lithium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water;