Multi-step reaction with 11 steps
1.1: triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 18 h / 0 - 20 °C
2.1: methanol / 3 h / Reflux
3.1: diphenylether / 1.17 h / 200 - 250 °C
4.1: 2,6-dimethylpyridine / dmap / dichloromethane / 1 h / 0 - 20 °C
5.1: potassium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 2 h / 105 °C
6.1: hydrogen / palladium 10% on activated carbon / ethyl acetate; methanol / 7.5 h
7.1: 2,6-dimethylpyridine / dmap / dichloromethane / 1.5 h / 0 - 20 °C
8.1: potassium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 5 h / 105 °C
9.1: potassium hydroxide; water / tetrahydrofuran; methanol / 1 h / 20 °C
10.1: N-ethyl-N,N-diisopropylamine; t-butoxycarbonylhydrazine; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate / N,N-dimethyl-formamide / 0.25 h
10.2: 0.5 h
11.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / 1,2-dichloro-ethane / 80 °C
With
2,6-dimethylpyridine; t-butoxycarbonylhydrazine; di-isopropyl azodicarboxylate; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; water; hydrogen; potassium carbonate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; triphenylphosphine; potassium hydroxide;
dmap; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; palladium 10% on activated carbon;
In
tetrahydrofuran; 1,4-dioxane; methanol; diphenylether; dichloromethane; ethyl acetate; 1,2-dichloro-ethane; N,N-dimethyl-formamide;