Multi-step reaction with 13 steps
1: hydrogenchloride; water; acetic acid / 8 h / 120 °C
2: methanol / 15 h / 20 °C
3: hydrogenchloride / ethyl acetate / 3 h / 20 °C
4: oxalyl dichloride; N,N-dimethyl-formamide / tetrahydrofuran / 2 h / 20 °C
5: sodium tetrahydroborate / tetrahydrofuran; 1,2-dimethoxyethane / 2 h / 0 °C
6: pyridine; thionyl chloride / tetrahydrofuran; toluene / 3 h / 20 °C
7: ammonia / tetrahydrofuran; ethanol / 5 h / 140 °C / Sealed tube
8: dmap / tetrahydrofuran / 1 h / 20 °C
9: palladium diacetate; triethylamine / N,N-dimethyl-formamide / 8 h / 80 °C / Inert atmosphere
10: 5%-palladium/activated carbon; hydrogen / tetrahydrofuran; ethanol / 760.05 Torr
11: sodium hydroxide / tetrahydrofuran; ethanol / 1 h / 20 °C
12: N-hydroxybenzotriazole ammonium salt; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 2 h / 20 °C
13: hydrogenchloride / tetrahydrofuran; 1,4-dioxane / 15 h / 20 °C
With
pyridine; hydrogenchloride; dmap; sodium tetrahydroborate; thionyl chloride; N-hydroxybenzotriazole ammonium salt; oxalyl dichloride; 5%-palladium/activated carbon; ammonia; water; hydrogen; palladium diacetate; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; N,N-dimethyl-formamide; sodium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; methanol; 1,2-dimethoxyethane; ethanol; ethyl acetate; N,N-dimethyl-formamide; toluene;
9: Heck reaction;
DOI:10.1016/j.bmc.2011.06.059