Multi-step reaction with 7 steps
1.1: potassium permanganate / water / 3 h / 75 °C
1.2: 12 h / Reflux
2.1: bromine; sodium carbonate / acetic acid / 5 h / 20 °C
3.1: potassium carbonate; bis-triphenylphosphine-palladium(II) chloride / water; 1,3-dioxane / 2 h / 90 °C
4.1: water; lithium hydroxide monohydrate / ethanol / 2 h / 20 °C
5.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; benzotriazol-1-ol / N,N-dimethyl-formamide / 12 h / 20 °C
6.1: tetrahydrofuran; diethyl ether / 0.5 h / 0 - 20 °C / Inert atmosphere
7.1: triethylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / dichloromethane; ethyl acetate / 12 h / 20 °C
With
bis-triphenylphosphine-palladium(II) chloride; potassium permanganate; lithium hydroxide monohydrate; water; bromine; sodium carbonate; potassium carbonate; benzotriazol-1-ol; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine;
In
tetrahydrofuran; 1,3-dioxane; diethyl ether; ethanol; dichloromethane; water; acetic acid; ethyl acetate; N,N-dimethyl-formamide;