Multi-step reaction with 10 steps
1.1: n-butyllithium / tetrahydrofuran / 3 h / -78 °C / Inert atmosphere
1.2: 2 h / -78 - 20 °C / Inert atmosphere
2.1: tetrahydrofuran / 1 h / 0 - 20 °C / Inert atmosphere
3.1: sodium hydroxide / tetrahydrofuran; water / 1 h / 0 - 20 °C / Inert atmosphere
3.2: 3 h / 60 °C / Inert atmosphere
4.1: hydrogenchloride; water / methanol / 1 h / 20 °C / Inert atmosphere
5.1: titanium(IV) isopropylate; D-(-)-diisopropyl tartrate / Inert atmosphere
5.2: 2 h / 20 °C / Inert atmosphere
6.1: water; isopropyl alcohol / Inert atmosphere
7.1: ammonium chloride; sodium azide / ethanol / 1 h / 100 °C / Inert atmosphere; Microwave irradiation
8.1: diethylamino-sulfur trifluoride / dichloromethane / -78 - 20 °C / Inert atmosphere
9.1: hydrogen / ethanol / 20 °C
10.1: trimethylsilyl bromide / dichloromethane / 6 h / 20 °C / Inert atmosphere
10.2: 1 h / Inert atmosphere
With
titanium(IV) isopropylate; hydrogenchloride; n-butyllithium; sodium azide; trimethylsilyl bromide; diethylamino-sulfur trifluoride; water; hydrogen; D-(-)-diisopropyl tartrate; ammonium chloride; sodium hydroxide;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; isopropyl alcohol;
1.2: |Wittig Olefination / 3.2: |Suzuki Coupling / 5.1: |Sharpless Asymmetric Epoxidation / 5.2: |Dess-Martin Oxidation / 6.1: |Horner-Wadsworth-Emmons Olefination;
DOI:10.1016/j.bmc.2013.02.042