HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Acetic Anhydride → 19-Acetoxyandrost-4-en-3,17-dione
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Acetic Anhydride | HCID 7918 | — |
| Edukt | 19-Hydroxyandrostenedione | HCID 252379 | — |
| Lösungsmittel | Pyridine | HCID 1049 | — |
| Produkt | 19-Acetoxyandrost-4-en-3,17-dione | HCID 12942412 | — |
Reaktionsschritte
Androst-4-en-19-ol-3,17-dione (11) is treated with acetic anhydride (Ac2O, b) in pyridine. Aqueous work-up is followed by extraction and purification to yield the acetate (14).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05272134 |
| Quelldatensatz | uspto-grants-1993_12 |
| ORD ID | ord-7fda3844403d4eed8d5f46d4eaae5408 |
| Quellennotiz | uspto-grants-1993_12 |