Multi-step reaction with 9 steps
1.1: n-butyllithium / diethyl ether; hexane / 0.5 h / -78 °C / Inert atmosphere
1.2: 0 °C / Inert atmosphere
2.1: ammonium acetate / isopropyl alcohol / 14 h / Reflux; Inert atmosphere
3.1: hydrogenchloride / 1.5 h / Reflux
4.1: water; sodium hydroxide
4.2: 20 °C / pH 8.2 / Enzymatic reaction
5.1: hydrogenchloride / 2 h / Reflux
6.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / N,N-dimethyl-formamide / 16 h / 0 - 20 °C / Inert atmosphere
7.1: racemic-2-(di-tert-butylphosphino)-1,1′-binaphthyl; zinc; palladium diacetate / N,N-dimethyl-formamide / 3 h / 110 °C / Inert atmosphere
8.1: hydrogenchloride / 1,4-dioxane / 2 h / 0 °C
9.1: benzotriazol-1-ol / N,N-dimethyl-formamide; dichloromethane / 0.17 h / 20 °C / Inert atmosphere
9.2: 20 °C / Inert atmosphere
With
racemic-2-(di-tert-butylphosphino)-1,1′-binaphthyl; hydrogenchloride; n-butyllithium; ammonium acetate; water; palladium diacetate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; sodium hydroxide; zinc;
In
1,4-dioxane; diethyl ether; hexane; dichloromethane; N,N-dimethyl-formamide; isopropyl alcohol;