ESTETROL synthesis

6synthesis methods

Product Name:ESTETROL
CAS Number:15183-37-6
Molecular formula:C18H24O4
Molecular Weight:304.38

53-16-7
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15183-37-6
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$35.00/500μg

Yield:-

Steps:

Multi-step reaction with 8 steps
1.1: potassium carbonate / dichloromethane; methanol / 16 h / Reflux
2.1: triethylamine / dichloromethane / 1 h / 20 °C
3.1: oxygen / palladium diacetate / dichloromethane; dimethyl sulfoxide / 35 °C
4.1: cerium(III) chloride heptahydrate / tetrahydrofuran; methanol / 1 h / 20 °C
4.2: 2 h / 0 - 8 °C
5.1: pyridine / dmap / 2 h / 20 °C
6.1: trimethylamine-N-oxide / ~5percent w/w OsO₄ on PVP / tetrahydrofuran / 50 °C
7.1: hydrogen / palladium 10% on activated carbon / methanol / 24 h / 20 °C / 760.05 Torr
8.1: potassium carbonate; methanol / 4 h / 20 °C

References:

Pantarhei Bioscience B.V. EP2383279, 2011, A1