Reaktion #70377
ord-6012c71efd5f4cdc8f783e34136871cf
Reaktionsgleichung
Reagenzien
Keine
Reaktionsbedingungen
Detaillierte Bedingungen
See reaction.notes.procedure_details.
Aufarbeitung
- 1WaschenThe combined organic extracts were washed with H2O
- 2Trocknendried over Na2SO4
- 3Sonstigeevaporated to dryness
Vorschrift
The title compound II-an was prepared in 100% yield from 3,3:17,17-bis(ethylendioxy)-6α-(2-hydroxyethyl)androstane by the procedure described above for the preparation of 6-methyleneandrostane-3,17-dione (II-ac, Prepn. 13). The combined organic extracts were washed with H2O, dried over Na2SO4 and evaporated to dryness. 1H-NMR (300 MHz, DMSO-d6, ppm from TMS): δ 4.32 (1H, t), 3.39 (2H, m), 2.46-0.54 (23H, m), 0.98 (3H, s), 0.79 (3H, s).