Multi-step reaction with 5 steps
1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate / 1,4-dioxane; water / 18 h / 80 °C / Inert atmosphere
2: potassium acetate; trans-bis(triphenylphosphine)palladium dichloride / 1,4-dioxane; water / 6 h / Inert atmosphere; Heating
3: sodium hydroxide / water; tetrahydrofuran / 7 h / 20 °C
4: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine / 1,2-dichloro-ethane / 3 h / Inert atmosphere; Reflux
5: trifluoroacetic acid / 1,2-dichloro-ethane / 6 h / Reflux
With
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; trans-bis(triphenylphosphine)palladium dichloride; potassium acetate; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine; trifluoroacetic acid; sodium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; water; 1,2-dichloro-ethane;
DOI:10.5935/0103-5053.20140073