Chemistry:Epostane

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Short description: Chemical compound
Epostane
Epostane.svg
Clinical data
Other namesWIN-32729
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
ChEMBL
Chemical and physical data
FormulaC22H31NO3
Molar mass357.494 g·mol−1
3D model (JSmol)

Epostane (INN, USAN, BAN) (developmental code name WIN-32729) is an inhibitor of 3β-hydroxysteroid dehydrogenase (3β-HSD) that was developed as a contraceptive, abortifacient, and oxytocic drug but was never marketed.[1][2][3] By inhibiting 3β-HSD, epostane blocks the biosynthesis of progesterone from pregnenolone (and also the conversion of dehydroepiandrosterone to androstenedione), thereby functioning as an antiprogestogen and terminating pregnancy.[1] The drug was trialed and in a study was found to be slightly more effective at inducing abortion relative to mifepristone.[4]

See also

References