Multi-step reaction with 15 steps
1.1: thionyl chloride / 0 - 65 °C
2.1: magnesium sulfate; triethylamine / dichloromethane / 2 h / 25 °C
2.2: 0.5 h
2.3: 60 h / 25 °C
3.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 2 h / 0 - 25 °C
3.2: 20 h / 25 °C
4.1: hydrogenchloride; water / 0.5 h / 25 °C
4.2: 0 °C / pH 12
5.1: lithium aluminium tetrahydride / tetrahydrofuran / 20 - 65 °C
5.2: 2 h / 0 °C
6.1: chlorosulfonic acid / ethyl acetate / 3 h / 25 - 40 °C
7.1: potassium hydroxide / ethanol; water / 18 h / 70 °C / Reflux
7.2: 15 h / 85 °C
8.1: citric acid / toluene / 50 h / 130 °C / Reflux
9.1: triethylamine; 1,3-bis-(diphenylphosphino)propane / palladium diacetate / dimethyl sulfoxide / 42 h / 70 °C
10.1: lithium aluminium tetrahydride / tetrahydrofuran / 0.25 h / 25 °C
10.2: 0.5 h
11.1: borane-THF / tetrahydrofuran / 2 h / 25 °C
12.1: trifluoroacetic acid; dihydrogen peroxide / water / 1 h / 25 °C
12.2: 1 h / pH 12 / Cooling with ice
13.1: 1H-imidazole; triphenylphosphine; bromine / dichloromethane / 2 h / 0 °C
14.1: toluene / 18 h / 25 °C / Reflux
15.1: trimethylsilyl bromide / dichloromethane / 15 h / 25 °C
With
1H-imidazole; hydrogenchloride; chlorosulfonic acid; lithium aluminium tetrahydride; thionyl chloride; borane-THF; trimethylsilyl bromide; 1,3-bis-(diphenylphosphino)propane; water; dihydrogen peroxide; bromine; sodium hydride; magnesium sulfate; triethylamine; triphenylphosphine; trifluoroacetic acid; citric acid; potassium hydroxide;
palladium diacetate;
In
tetrahydrofuran; ethanol; dichloromethane; water; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide; toluene; mineral oil;