Multi-step reaction with 9 steps
1: potassium hydroxide; Diethyl carbonate / ethanol / 4 h / Heating / reflux
2: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 5 h / 20 °C
3: triethylamine / dichloromethane / 1 h / 10 - 20 °C
4: ammonia / methanol / 144 h
5: sodium carbonate / dichloromethane; water / 1 h / 20 °C
6: potassium acetate / bis-triphenylphosphine-palladium(II) chloride / N,N-dimethyl-formamide / 16 h / 95 °C
7: potassium carbonate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / ethanol; toluene / 6 h / Heating / reflux
8: hydrogen / palladium 10% on activated carbon / tetrahydrofuran; methanol; N,N-dimethyl-formamide / 48 h / 20 °C / 3750.38 Torr
9: potassium carbonate / acetonitrile / 4 h / 20 °C
With
potassium hydroxide; di-isopropyl azodicarboxylate; ammonia; hydrogen; potassium acetate; sodium carbonate; potassium carbonate; triethylamine; triphenylphosphine; Diethyl carbonate;
bis-triphenylphosphine-palladium(II) chloride; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; N,N-dimethyl-formamide; toluene; acetonitrile;