Cannabaceae

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Not to be confused with Epiestriol.
Episterol
Ball-and-stick model of episterol
Names
IUPAC name
(3S,5S,10S,13R,14R,17R)-10,

13-dimethyl-17-[(2R)-6-methyl-5-methylideneheptan-2-yl]-2,3,4,5,6,9,11,

12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
Systematic IUPAC name
(3β,5α)-Ergosta-7,24(28)-dien-3-ol
Identifiers
3D model (JSmol)
2421473
ChEBI
ChemSpider
KEGG
MeSH Episterol
  • InChI=1S/C28H46O/c1-18(2)19(3)7-8-20(4)24-11-12-25-23-10-9-21-17-22(29)13-15-27(21,5)26(23)14-16-28(24,25)6/h10,18,20-22,24-26,29H,3,7-9,11-17H2,1-2,4-6H3/t20-,21+,22+,24-,25+,26+,27+,28-/m1/s1
    Key: BTCAEOLDEYPGGE-JVAZTMFWSA-N
  • InChI=1/C28H46O/c1-18(2)19(3)7-8-20(4)24-11-12-25-23-10-9-21-17-22(29)13-15-27(21,5)26(23)14-16-28(24,25)6/h10,18,20-22,24-26,29H,3,7-9,11-17H2,1-2,4-6H3/t20-,21+,22+,24-,25+,26+,27+,28-/m1/s1
    Key: BTCAEOLDEYPGGE-JVAZTMFWBW
  • C[C@H](CCC(=C)C(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3C2=CC[C@@H]4[C@@]3(CC[C@@H](C4)O)C)C
Properties
C28H46O
Molar mass 398.66 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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Episterol is a sterol involved in the biosynthesis of steroids. Episterol is converted from 24-methylenelophenol. Episterol is converted to 5-dehydroepisterol by ERG3, the C-5 sterol desaturase in the yeast.[1] Episterol is also known to be a precursor to ergosterol.

References

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  1. ^ Osumi Takashi; Nishino Tokuzo; Katsuki Hirohiko (1979). "Studies on the delta 5-desaturation in ergosterol biosynthesis in yeast". The Journal of Biochemistry. 85 (3): 819–826. PMID 34600.
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source: Https://en.wikipedia.org/wiki/Episterol

One thought on “Cannabaceae”

  1. Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
    View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction

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