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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2059163Generated: October 27, 2026

Diethoxymethane → 17,21-Diacetoxy-6-methylene-4-pregnene-3,20-dione

https://huagongshe.com/reaction/2059163

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethoxymethaneHCID 10024—
Reactant17,21-Bis(acetyloxy)pregn-4-ene-3,20-dioneHCID 102165—
Product17,21-Diacetoxy-6-methylene-4-pregnene-3,20-dioneHCID 12951771—

Reaction Steps

1.0 g of 17,21-diacetoxy-4-pregnene-3,20-dione is reacted analogously to Example 9 with formaldehyde diethylacetal, and worked up, thus obtaining 790 mg of 17,21-diacetoxy-6-methylene-4-pregnene-3,20-dione, mp 227°-228° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04322349
Source datasetuspto-grants-1982_03
ORD IDord-3bd8215f43874d39a10337c8dd0cc9d3
Source noteuspto-grants-1982_03