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Title: Stenbolone  
Author: World Heritage Encyclopedia
Language: English
Subject: Anabolic steroid, Epitiostanol, Bolazine, Hydroxystenozole, Mebolazine
Publisher: World Heritage Encyclopedia


CAS number  YesY
Jmol-3D images Image 1
Molecular formula C20H30O2
Molar mass 302.45 g/mol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 YesY   YesY/N?)

Stenbolone is an anabolic steroid. It is structurally similar to 1-testosterone.


The route used to prepare the unsaturated 2 methyl androgen stenbolone provides yet a further illustration of the propensity for the formation of enolates at the 2 position.[1]

Preparation of the acetate ester of stenbolone

Thus reaction of dihydrotestosterone acetate with formaldehyde and dimethylamine gives the Mannich product. Hydrogenolysis of that product gives the 2-methyl derivative via elimination of dimethylamine. Bromination of the ketone leads to the 2-bromo derivative. Dehydrobromination by means of lithium carbonate in dimethyl formamide (DMF) affords the androgen stenbolone acetate.


  1. ^ U.S. Patent 3,361,773 Wiechert Rudolf; (1968). Schering AG, Berlin

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