Multi-step reaction with 5 steps
1.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate; water / 1,2-dimethoxyethane / 2.5 h / 90 °C / Inert atmosphere
2.1: 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; caesium carbonate; tris-(dibenzylideneacetone)dipalladium(0) / 1,4-dioxane / 22 h / 20 - 100 °C / Inert atmosphere; Sealed tube
3.1: sodium t-butanolate; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione / tetrahydrofuran / 0.17 h / 10 °C / Inert atmosphere
3.2: 1.25 h / 10 °C / Inert atmosphere
4.1: potassium permanganate / acetone / 19 h / 20 - 50 °C
5.1: potassium carbonate / methanol / 0.83 h / 20 °C
With
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium permanganate; tris-(dibenzylideneacetone)dipalladium(0); 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; water; potassium carbonate; caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate;
In
tetrahydrofuran; 1,4-dioxane; methanol; 1,2-dimethoxyethane; acetone;