Pregnenedione

Not to be confused with pregnenolone or pregneninolone.

A pregnenedione is an unsaturated diketone derivative of a pregnane.^[1]

Examples are budesonide and progesterone (pregn-4-ene-3,20-dione).

References

↑ Pregnenediones at the US National Library of Medicine Medical Subject Headings (MeSH)

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

C₂₁	Pregnane: Dehydrogenated: Pregnene Pregnadiene Pregnatriene; Substituted: Pregnanediol Pregnanetriol Pregnenediol Pregnanedione Pregnenedione

C₂₃	Cardanolide

C₂₄	Cholane Bile acid

C₂₇	Cholestane

Functional group	17-Ketosteroid Hydroxysteroid Halogenated steroid

Elements removed	Norsteroid Secosteroid

Elements replaced	Azasteroid

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