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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2059169Generated: November 2, 2026

p-Toluenesulfonic acid → 21-Acetoxy-17alpha-hydroxy-6-methylene-4-pregnene-3,20-dione

https://huagongshe.com/reaction/2059169

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant11-Deoxycortisol 21-acetateHCID 101816—
Product21-Acetoxy-17alpha-hydroxy-6-methylene-4-pregnene-3,20-dioneHCID 1295179066%

Reaction Steps

1.0 g of 21-acetoxy-17α-hydroxy-4-pregnene-3,20-dione is reacted, using 2.0 g of p-toluenesulfonic acid, analogously to Example 42 and purified, thus obtaining 680 mg of 21-acetoxy-17α-hydroxy-6-methylene-4-pregnene-3,20-dione, mp 194°-196° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04322349
Source datasetuspto-grants-1982_03
ORD IDord-a95dec3c50e7486894b97a753c830196
Source noteuspto-grants-1982_03