Multi-step reaction with 10 steps
1: sodium chlorite; sodium dihydrogenphosphate / water; acetonitrile / 42 h / 0 - 20 °C
2: hydrogenchloride / dichloromethane; water
3: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 3 h / 20 °C
4: diisobutylaluminium hydride / tetrahydrofuran / 1.5 h / -10 - 20 °C
5: dibromotriphenylphosphorane / dichloromethane / 2 h / 20 °C
6: N,N-dimethyl-formamide / 4 h / 50 °C
7: potassium hydroxide; ethanol / 17 h / Heating / reflux
8: hydrogenchloride / water; ethyl acetate
9: oxalyl dichloride / N,N-dimethyl-formamide / tetrahydrofuran / 0.5 h
10: N-ethyl-N,N-diisopropylamine / acetonitrile / 60 °C
With
hydrogenchloride; dmap; potassium hydroxide; sodium chlorite; sodium dihydrogenphosphate; oxalyl dichloride; ethanol; diisobutylaluminium hydride; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; dibromotriphenylphosphorane;
N,N-dimethyl-formamide;
In
tetrahydrofuran; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide; acetonitrile;