Multi-step reaction with 10 steps
1.1: n-butyllithium; N-cyclohexyl-cyclohexanamine / hexane; toluene / 0.08 h / 0 - 25 °C / Inert atmosphere
1.2: 1 h / Inert atmosphere
2.1: lithium aluminium tetrahydride / tetrahydrofuran / 0.5 h / 25 °C
3.1: diethylamino-sulfur trifluoride / dichloromethane / 1 h / -60 °C / Inert atmosphere
4.1: toluene-4-sulfonic acid / acetone / 20 °C / Inert atmosphere
5.1: ammonium acetate / ethanol / 7 h / Reflux
6.1: 2,6-dimethylpyridine / dichloromethane / 10 h / 20 °C
7.1: Resolution of racemate
8.1: hydrogenchloride / ethyl acetate / 1 h
9.1: benzotriazol-1-ol / N,N-dimethyl-formamide; dichloromethane / 0.17 h / 20 °C / Inert atmosphere
9.2: 20 °C / Inert atmosphere
10.1: lithium hydroxide monohydrate / acetonitrile; water / 4 h / 20 °C
With
2,6-dimethylpyridine; hydrogenchloride; lithium aluminium tetrahydride; n-butyllithium; lithium hydroxide monohydrate; diethylamino-sulfur trifluoride; ammonium acetate; benzotriazol-1-ol; toluene-4-sulfonic acid; N-cyclohexyl-cyclohexanamine;
In
tetrahydrofuran; ethanol; hexane; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide; acetone; toluene; acetonitrile;