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Etiocholane

Chemical compound

Etiocholane, also known as 5β-androstane or 5-epiandrostane, is an androstane (C19) steroid. It is the 5β-isomer of androstane. Etiocholanes include 5β-androstanedione, 5β-dihydrotestosterone, 3α,5β-androstanediol, 3β,5β-androstanediol, etiocholanolone, epietiocholanolone, and 3α,5β-androstanol.

17β-Ethyletiocholanes, or 5β-pregnanes,[1] include 5β-dihydroprogesterone, pregnanolone, and epipregnanolone, as well as pregnanediol and pregnanetriol.

See also

  • C19H32

References

  1. ^ William M. Haynes (19 April 2016). CRC Handbook of Chemistry and Physics, 93rd Edition. CRC Press. pp. 3–. ISBN 978-1-4398-8050-0.
Steroid classification
C17
  • Gonane
C18
  • Estrane: Dehydrogenated: Estrene
  • Estradiene
  • Estratriene; Substituted: Estratrienolone
  • Estratrienediol
  • Estratrienetriol
C19
  • Androstane: Dehydrogenated: Androstene
  • Androstadiene
  • Androstatriene; Substituted: Androstanol
  • Androstenol
  • Androstanone
  • Androstenone
  • Androstanediol
  • Androstenediol
  • Androstanedione
  • Androstenedione
  • Androstenetrione
  • Androstanolone
  • Androstenolone
  • Androstadienol
  • Androstadienone; Etiocholane
C20
  • 19-Norpregnane
C21
  • Pregnane: Dehydrogenated: Pregnene
  • Pregnadiene
  • Pregnatriene; Substituted: Pregnanediol
  • Pregnanetriol
  • Pregnenediol
  • Pregnanedione
  • Pregnenedione
  • 5α-Pregnane
  • 5β-Pregnane
C23
  • Cardanolide
C24
  • Cholane
  • Bile acid
C27
  • Cholestane
Functional group
  • 17-Ketosteroid
  • Hydroxysteroid
  • Halogenated steroid
Elements removed
  • Norsteroid
  • Secosteroid
Elements replaced
  • Azasteroid