Multi-step reaction with 14 steps
1.1: potassium carbonate / acetonitrile / 16 h / 85 °C
2.1: magnesium / tetrahydrofuran / 1.17 h / Cooling with ice; Reflux
2.2: 3 h / 0 - 20 °C
3.1: sulfuric acid / 0 - 20 °C
4.1: hydrogenchloride / water / 10 h / Reflux
5.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine / N,N-dimethyl-formamide / 12 h / 20 °C
6.1: hydrogenchloride / 1,4-dioxane / 1 h / 0 - 20 °C
7.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine / N,N-dimethyl-formamide / 12 h / 20 °C
8.1: hydrogenchloride / 1,4-dioxane / 1 h / 0 - 20 °C
9.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine / N,N-dimethyl-formamide / 12 h / 20 °C
10.1: hydrogenchloride / 1,4-dioxane / 1 h / 0 - 20 °C
11.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine / N,N-dimethyl-formamide / 12 h / 20 °C
12.1: diethylamine / N,N-dimethyl-formamide / 20 °C
13.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine / N,N-dimethyl-formamide / 12 h / 20 °C
14.1: hydrogenchloride / 1,4-dioxane / 1 h / 0 - 20 °C
With
hydrogenchloride; sulfuric acid; potassium carbonate; benzotriazol-1-ol; magnesium; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; diethylamine; triethylamine;
In
tetrahydrofuran; 1,4-dioxane; water; N,N-dimethyl-formamide; acetonitrile;
2.2: Grignard reaction / 2.3: Grignard reaction / 3.1: Ritter reaction;
DOI:10.1016/j.bmc.2011.07.002