Multi-step reaction with 9 steps
1: sulfuric acid; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione / 12.5 h / 0 - 20 °C
2: acetic acid; iron / acetic acid / 0.5 h / 90 °C
3: 0.5 h / 0 - 20 °C
4: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate / water; 1,2-dimethoxyethane; ethyl acetate / 2 h / 100 °C / Inert atmosphere
5: hydrogenchloride; palladium 10% on activated carbon / methanol / 6 h / 20 °C
6: potassium fluoride / N,N-dimethyl-formamide / 100 °C
7: water; calcium chloride; iron / ethanol / 2 h / 80 °C
8: 2 h / 20 - 100 °C
9: sodium carbonate; tetrakis(triphenylphosphine) palladium(0) / water; 1,2-dimethoxyethane / 2 h / 100 °C / Inert atmosphere
With
hydrogenchloride; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium fluoride; tetrakis(triphenylphosphine) palladium(0); 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; sulfuric acid; palladium 10% on activated carbon; water; iron; sodium carbonate; acetic acid; calcium chloride;
In
methanol; 1,2-dimethoxyethane; ethanol; water; acetic acid; ethyl acetate; N,N-dimethyl-formamide;