Multi-step reaction with 13 steps
1.1: chloro-trimethyl-silane; sodium iodide / acetonitrile / 3.83 h / 20 - 50 °C / Inert atmosphere
1.2: 15.5 h / 20 °C / Inert atmosphere
2.1: potassium tert-butylate / 2-methyltetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere
2.2: 2.92 h / 0 - 5 °C / Inert atmosphere
2.3: 16.33 h / 0 - 20 °C
3.1: hydrogenchloride / toluene; water / 20 h / 105 °C
4.1: potassium hydroxide / toluene; methanol / 3 h / 15 - 20 °C
4.2: 10 - 20 °C
4.3: pH 5.5
5.1: lithium borohydride; boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 17 h / 25 - 30 °C
5.2: 1 h / 25 - 50 °C
6.1: sodium hydroxide / water; tetrahydrofuran / 3.5 h / 25 °C / pH 8.5 - 9
7.1: Dess-Martin periodane / dichloromethane / 3 h / 20 °C / Inert atmosphere
8.1: triphenylphosphine / dichloromethane / 0.5 h / 0 °C
9.1: sec.-butyllithium / tetrahydrofuran / 3 h / -78 °C / Inert atmosphere
10.1: N-ethyl-N,N-diisopropylamine; copper(l) iodide / tetrakis(triphenylphosphine) palladium(0) / N,N-dimethyl-formamide / 3 h / 23 °C
11.1: hydrogen / palladium on activated charcoal / methanol / 5 h
12.1: trifluoroacetic acid / dichloromethane / 1 h
13.1: N-ethyl-N,N-diisopropylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / dichloromethane / 10 h / Reflux
13.2: 1 h / 90 °C
With
copper(l) iodide; lithium borohydride; chloro-trimethyl-silane; boron trifluoride-tetrahydrofuran complex; potassium tert-butylate; hydrogen; sec.-butyllithium; Dess-Martin periodane; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine; triphenylphosphine; trifluoroacetic acid; sodium iodide; potassium hydroxide; sodium hydroxide;
hydrogenchloride; tetrakis(triphenylphosphine) palladium(0); palladium on activated charcoal;
In
tetrahydrofuran; 2-methyltetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; toluene; acetonitrile;