Water → HCID 13251127, Verbindung

HRID 1912733Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1912733
[OH:1][C@H:2]1[CH2:19][CH2:18][C@@:17]2([CH3:20])[C:4](=[CH:5][CH2:6][C@@H:7]3[C@@H:16]2[CH2:15][CH2:14][C@@:12]2([CH3:13])[C@H:8]3[CH2:9][CH2:10][C:11]2=[O:21])[CH2:3]1.[C:22]1([CH3:32])[CH:27]=[CH:26][C:25]([S:28](Cl)(=[O:30])=[O:29])=[CH:24][CH:23]=1.CCOC(C)=O.O>N1C=CC=CC=1.CN(C1C=CN=CC=1)C>[C:22]1([CH3:32])[CH:27]=[CH:26][C:25]([S:28]([O:1][C@H:2]2[CH2:19][CH2:18][C@@:17]3([CH3:20])[C:4](=[CH:5][CH2:6][C@@H:7]4[C@@H:16]3[CH2:15][CH2:14][C@@:12]3([CH3:13])[C@H:8]4[CH2:9][CH2:10][C:11]3=[O:21])[CH2:3]2)(=[O:30])=[O:29])=[CH:24][CH:23]=1

Komponenten

7

Edukt 4

HCID 962WaterHCID 5881DehydroepiandrosteroneHCID 73974-Toluenesulfonyl chlorideHCID 8857Ethyl Acetate

Produkt 1

HCID 13251127HCID 13251127, VerbindungAusbeute 96 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 142844-(Dimethylamino)pyridineKatalysatorHCID 1049PyridineLösungsmittel

Versuchsvorschrift

To a solution of 3β-hydroxyandrost-5-en-17-one (10.00 g) in pyridine (66 mL), toluene-4-sulfonyl chloride (13.20 g) and DMAP (10 mg) were added at 0° C. under stirring. The reaction was allowed to warm to room temperature and stirred for 15 hr. After dilution with EtOAc (300 mL) the mixture was poured into iced water. The organic layer was separated, washed with 1N H2SO4, water and brine, dried and evaporated to dryness to give 3β-(p-toluensulfonyloxy)androst-5-en-17-one (14.70 g, 96%), as a white solid. 1H-NMR (300 MHz, acetone-d6, ppm from TMS): δ 7.81 (2H, m), 7.48 (2H, m), 5.35 (1H, m), 4.26 (1H, m), 2.46 (3H, s), 2.54-0.93 (19H, m), 1.05 (3H, s), 0.85 (3H, s).

Aufarbeitung

  1. stirringstirred for 15 hr
  2. customThe organic layer was separated
  3. washwashed with 1N H2SO4, water and brine
  4. customdried
  5. customevaporated to dryness

Quellen und Nachweise

ORD-Eintrag
ord-cfe8272fc9fa45ea98b649f2831b98cb
Quelldatensatz
uspto-grants-2013_12
Patentnummer
US08609644B2

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