HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → 19-Acetoxyandrost-4-en-3,17-dione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 19-Hydroxyandrostenedione | HCID 252379 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | 19-Acetoxyandrost-4-en-3,17-dione | HCID 12942412 | — |
Reaction Steps
A solution of 19-hydroxyandrost-4-ene-3,17-dione in acetic anhydride and pyridine is allowed to stand overnight after which the reaction mixture is poured into ice water. The resulting solid is collected, dried and recrystallized from hexane to give 19-acetoxyandrost-4-ene-3,17-dione.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04013762 |
| Source dataset | uspto-grants-1977_03 |
| ORD ID | ord-35b36e4dba14426ab254abb3159a536e |
| Source note | uspto-grants-1977_03 |