Multi-step reaction with 21 steps
1.1: trichlorophosphate / 0.17 h / 0 - 20 °C
1.2: 2 h / 50 °C / Heating / reflux
1.3: 0.5 h / Heating / reflux
2.1: toluene / 100 °C
3.1: sodium tetrahydroborate / methanol / 1 h / 20 °C
4.1: trifluoroacetic acid / dichloromethane / 20 °C
5.1: Resolution of racemate
6.1: lithium aluminium tetrahydride / tetrahydrofuran / 3 h / 0 °C
6.2: 3 h / 0 °C
7.1: triethylamine / dichloromethane / 3 h / 0 °C
8.1: dimethyl sulfoxide / 13 h / 50 °C
9.1: sodium hydroxide; water; isopropyl alcohol / 96 h / Heating / reflux
9.2: 0 °C
10.1: potassium carbonate / N,N-dimethyl-formamide / 3 h / 20 °C
11.1: N,N-dimethyl-formamide / 1.33 h / -40 - 0 °C
12.1: pyridine; hydrogen; acetic acid / Raney Nickel R-100 / water / 15 h / 3800.26 Torr
13.1: sodium tetrahydroborate / tetrahydrofuran / 6 h / 20 °C
14.1: methanol; water; potassium carbonate / 3 h / 50 °C
15.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 14 h / 20 °C
16.1: methanol; water; potassium carbonate / 16 h / 20 °C
17.1: carbon tetrabromide; triphenylphosphine / N,N-dimethyl-formamide / 1 h / 0 - 20 °C
18.1: sodium azide / N,N-dimethyl-formamide / 15 h / 20 °C
19.1: water; triphenylphosphine / tetrahydrofuran / 72 h / 20 °C
20.1: pyridine / dichloromethane / 27 h / 20 °C
21.1: methanol; water; potassium carbonate / 6 h / 50 °C
21.2: ion exchange resin IR-120B / pH 4
With
pyridine; methanol; sodium hydroxide; sodium tetrahydroborate; lithium aluminium tetrahydride; sodium azide; carbon tetrabromide; water; hydrogen; potassium carbonate; benzotriazol-1-ol; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; triphenylphosphine; isopropyl alcohol; trifluoroacetic acid; trichlorophosphate;
Raney Nickel R-100;
In
tetrahydrofuran; methanol; dichloromethane; water; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene;