Reaktion #1999887

ord-21a4fbfbed8947b19747d880795e2fdf

Reaktionsgleichung

C=C1C[C@H]2[C@@H]3CC45OCCOC4(OCCO5)[C@@]3(C)CC[C@@H]2[C@@]2(C)CCCC[C@]12O
17,17-bis(ethylendioxy)-5α-hydroxy-6-methyleneandrostane
C[C@]12CCC(=O)CC1[C@@H](C#N)C[C@@H]1[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]12
6α-cyanoandrostane-3,17-dione
→
C=C1C[C@H]2[C@@H]3CCC(=O)[C@@]3(C)CC[C@@H]2[C@@]2(C)CCC(=O)C[C@]12O
title compound
Ausbeute 78.0%
C=C1C[C@H]2[C@@H]3CCC(=O)[C@@]3(C)CC[C@@H]2[C@@]2(C)CCC(=O)C[C@]12O
5α-Hydroxy-6-methylenandrostan-3,17-dione
Ausbeute 78.0%

Edukte

C=C1C[C@H]2[C@@H]3CC45OCCOC4(OCCO5)[C@@]3(C)CC[C@@H]2[C@@]2(C)CCCC[C@]12O
17,17-bis(ethylendioxy)-5α-hydroxy-6-methyleneandrostane
C[C@]12CCC(=O)CC1[C@@H](C#N)C[C@@H]1[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]12
6α-cyanoandrostane-3,17-dione

Reagenzien

Keine

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    WaschenThe combined organic extracts were washed with H2O
  2. 2
    Trocknendried over Na2SO4
  3. 3
    Sonstigeevaporated to dryness

Vorschrift

The title compound II-bo was prepared in 78% yield from 3,3:17,17-bis(ethylendioxy)-5α-hydroxy-6-methyleneandrostane by the procedure described above for the preparation of 6α-cyanoandrostane-3,17-dione (II-ac, Prepn. 3). 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 4.93 (s, 1H), 4.83 (m, 1H), 4.60 (m, 1H), 2.83 (d, 1H), 2.90-1.10 (m, 18H), 0.95 (s, 3H), 0.77 (s, 3H).

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08609644B2uspto-grants-2013_12