Multi-step reaction with 10 steps
1: 2,6-dimethylpyridine / dichloromethane / 19 h / 0 - 40 °C
2: sodium methylate; sodium hydrogencarbonate / methanol; ethyl acetate / 18 h / 20 °C
3: lithium hydroxide; water / tetrahydrofuran / 18 h / Reflux
4: hydrogenchloride; water / methanol / 0.5 h
5: sodium tetrahydroborate; methanol / 1 h / 20 °C
6: triethylamine / dichloromethane / 1 h / 0 °C
7: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / 0.5 h / 0 °C
8: hydrogenchloride / 1,4-dioxane; water / 3 h / Reflux
9: acetic acid / 1,2-dichloro-ethane / 25 - 50 °C
10: hydrogen; palladium 10% on activated carbon / methanol / 20 - 30 °C / 760.05 Torr
With
2,6-dimethylpyridine; hydrogenchloride; methanol; sodium tetrahydroborate; palladium 10% on activated carbon; water; hydrogen; sodium methylate; sodium hydrogencarbonate; acetic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; lithium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; ethyl acetate; 1,2-dichloro-ethane;