Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 551841Generated: October 26, 2026

Ethyl chloroformate → 3beta-Carboethoxyandrost-5-ene-7,17-dione

https://huagongshe.com/reaction/551841

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl chloroformateHCID 10928—
Reactant7-Keto-dehydroepiandrosteroneHCID 193313—
SolventPyridineHCID 1049—
Product3beta-Carboethoxyandrost-5-ene-7,17-dioneHCID 1023708690%

Reaction Steps

Prepared from (2) and ethylchloroformate in pyridine at 0-5° C. Yield 90%, m.p. 187-8° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07947846B2
Source datasetuspto-grants-2011_05
ORD IDord-50e1245c27cc44c5baaf2447c135f5a9
Source noteuspto-grants-2011_05