7α-Hydroxycholesterol

7α-Hydroxycholesterol
Names
IUPAC name
Cholest-5-ene-3β,7α-diol
Systematic IUPAC name
(1R,3aS,3bS,4S,7S,9aR,9bS,11aR)-9a,11a-Dimethyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,3b,4,6,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-cyclopenta[a]phenanthrene-4,7-diol
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
MeSH 7+alpha-hydroxycholesterol
UNII
  • InChI=1S/C27H46O2/c1-17(2)7-6-8-18(3)21-9-10-22-25-23(12-14-27(21,22)5)26(4)13-11-20(28)15-19(26)16-24(25)29/h16-18,20-25,28-29H,6-15H2,1-5H3/t18-,20+,21-,22+,23+,24-,25+,26+,27-/m1/s1 checkY
    Key: OYXZMSRRJOYLLO-RVOWOUOISA-N checkY
  • InChI=1/C27H46O2/c1-17(2)7-6-8-18(3)21-9-10-22-25-23(12-14-27(21,22)5)26(4)13-11-20(28)15-19(26)16-24(25)29/h16-18,20-25,28-29H,6-15H2,1-5H3/t18-,20+,21-,22+,23+,24-,25+,26+,27-/m1/s1
    Key: OYXZMSRRJOYLLO-RVOWOUOIBF
  • CC(C)CCC[C@@H](C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2[C@@H](C=C4[C@@]3(CC[C@@H](C4)O)C)O)C
  • O[C@@H]4C/C3=C/[C@@H](O)[C@@H]1[C@H](CC[C@]2([C@H]1CC[C@@H]2[C@H](C)CCCC(C)C)C)[C@@]3(C)CC4
Properties
C27H46O2
Molar mass 402.653 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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7α-Hydroxycholesterol is a precursor of bile acids, created by cholesterol 7α-hydroxylase (CYP7A1). Its formation is the rate-determining step in bile acid synthesis.[1]

References

[edit]
  1. ^ Chiang JY, Ferrell JM (March 2020). "Bile acid receptors FXR and TGR5 signaling in fatty liver diseases and therapy". American Journal of Physiology. Gastrointestinal and Liver Physiology. 318 (3): G554–G573. doi:10.1152/ajpgi.00223.2019. PMC 7099488. PMID 31984784.