19-Hydroxy-Androst-4-INE-3,17-Dione CAS 510-64-5

Uso: intermedio de noretisterona e etinilestradiol. Production method using acetic acid pregnenolone (5,16-pregnenol-3) β- Alcohol-20-one 3-acetate) as raw material, through hydroxylamine oximation of hydrochloric acid, rearrangement (dehydroepiandrosterone of acetic acid obtained from Chemicalbook), hydrolysis ( HCl), adición, epoxidación, hidrólise (eliminación de 3-acetilo), oxidación (3-hidroxi), eliminación (eliminación de HCl), redución, apertura de aneis, etc.