Multi-step reaction with 11 steps
1.1: pyridine / 0 - 20 °C / Inert atmosphere
2.1: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / tetrahydrofuran; water / 16 h / Reflux; Inert atmosphere
3.1: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C
4.1: Dess-Martin periodane / dichloromethane / 2 h / 20 °C
5.1: borane-THF / tetrahydrofuran / 1 h / 20 °C
5.2: 0.67 h / -78 °C
5.3: 2 h / -78 °C
6.1: 1H-imidazole / N,N-dimethyl-formamide / 16 h / 20 °C
7.1: n-butyllithium / tetrahydrofuran / 2 h / -78 °C
7.2: 0.08 h
8.1: tetrakis(triphenylphosphine) palladium(0) / 1,4-dioxane / 16 h / Reflux; Inert atmosphere
9.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 2 h / 20 °C / Inert atmosphere
10.1: Dess-Martin periodane / dichloromethane / 2 h / 20 °C
11.1: Daicel ChiraCel OD / ethanol; hexane / Resolution of racemate
With
pyridine; 1H-imidazole; lithium aluminium tetrahydride; tetrakis(triphenylphosphine) palladium(0); n-butyllithium; borane-THF; tetrabutyl ammonium fluoride; sodium carbonate; Dess-Martin periodane;
In
tetrahydrofuran; 1,4-dioxane; ethanol; hexane; dichloromethane; water; N,N-dimethyl-formamide;
2.1: Suzuki coupling / 8.1: Stille coupling;
DOI:10.1021/jm101597x