Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 973215Generated: October 30, 2026

Acetic Anhydride → 19-Acetoxyandrost-4-en-3,17-dione

https://huagongshe.com/reaction/973215

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactant19-HydroxyandrostenedioneHCID 252379—
SolventPyridineHCID 1049—
Product19-Acetoxyandrost-4-en-3,17-dioneHCID 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

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04055641
Source datasetuspto-grants-1977_10
ORD IDord-b8320f4323f84345a1b1d757c9f0137c
Source noteuspto-grants-1977_10