Pregnadienetriol

Pregnane
Identifiers
CAS number 24909-91-9 N
PubChem 6857422
ChemSpider 5256760 YesY
ChEBI CHEBI:8386 YesY
Jmol-3D images Image 1
Properties
Molecular formula C21H36
Molar mass 288.511 g/mol
Density 0.926 g/ml
 N (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Pregnane is, indirectly, a parent of progesterone. It is a parent hydrocarbon for two series of steroids stemming from 5α-pregnane (originally allopregnane) and 5β-pregnane (17β-ethyletiocholane).

5β-Pregnane is the parent of the progesterones, pregnane alcohols, ketones, and several adrenocortical hormones and is found largely in urine as a metabolic product of 5β-pregnane compounds.

Pregnanes

Pregnanes are steroid derivatives with carbons present at positions 1 through 21.

Most biologically significant pregnane derivatives fall into one of two groups: pregnenes and pregnadienes. Another class is pregnatrienes.

Pregnenes

Main article: pregnene

Pregnenes have a double bond. Examples include:

Pregnadienes

Main article: Pregnadiene

Pregnadienes have two double bonds. Examples include:

External links

  • Medical Subject Headings (MeSH)
  • PubChem
  • Diagram at qmul.ac.uk
  • Definition of Pregnane
  • Progesterone Chemistry
  • Progesterone record in European Bioinformatics database
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