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: potassium carbonate; copper(l) iodide; trans-1,2-Diaminocyclohexane / toluene / 16 h / 100 °C
5: water; calcium chloride; iron / ethanol / 4 h / 100 °C
6: potassium fluoride / N,N-dimethyl-formamide / 2 h / 150 °C
7: calcium chloride; iron / ethanol / 4 h / 100 °C
8: 2 h / 100 °C
9: sodium carbonate; tetrakis(triphenylphosphine) palladium(0) / water; 1,2-dimethoxyethane / 2 h / 90 °C / Inert atmosphere
With
potassium fluoride; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; sulfuric acid; trans-1,2-Diaminocyclohexane; water; iron; sodium carbonate; potassium carbonate; acetic acid; calcium chloride;
In
1,2-dimethoxyethane; ethanol; water; acetic acid; N,N-dimethyl-formamide; toluene;