2,3-Oxidosqualene

2,3-Oxidosqualene
Names
	IUPAC name 2,2-Dimethyl-3-[(3E,7E,11E,15E)- 3,7,12,16,20-pentamethylhenicosa- 3,7,11,15,19-pentaenyl]oxirane
	Other names Squalene oxide; 2,3-Squalene oxide; Squalene epoxide
Identifiers
CAS Number	7200-26-2 ;
3D model (JSmol)	Interactive image; Interactive image;
ChEBI	CHEBI:78662 ;
ChemSpider	4517951 ;
MeSH	2,3-oxidosqualene
PubChem CID	5366020;
UNII	2Y5JJZ8E4W ;
CompTox Dashboard (EPA)	DTXSID50900960 ;
	InChI InChI=1S/C30H50O/c1-24(2)14-11-17-27(5)20-12-18-25(3)15-9-10-16-26(4)19-13-21-28(6)22-23-29-30(7,8)31-29/h14-16,20-21,29H,9-13,17-19,22-23H2,1-8H3/b25-15+,26-16+,27-20+,28-21+ Key: QYIMSPSDBYKPPY-BANQPHDMSA-N ; InChI=1/C30H50O/c1-24(2)14-11-17-27(5)20-12-18-25(3)15-9-10-16-26(4)19-13-21-28(6)22-23-29-30(7,8)31-29/h14-16,20-21,29H,9-13,17-19,22-23H2,1-8H3/b25-15+,26-16+,27-20+,28-21+ Key: QYIMSPSDBYKPPY-BANQPHDMBU;
	SMILES O1C(C)(C)C1CC/C(=C/CC/C(=C/CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)C)C)C; CC(=CCC/C(=C/CC/C(=C/CC/C=C(\C)/CC/C=C(\C)/CCC1C(O1)(C)C)/C)/C)C;
Properties
Chemical formula	C30H50O
Molar mass	426.717 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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	Infobox references

(S)-2,3-Oxidosqualene ((S)-2,3-epoxysqualene) is an intermediate in the synthesis of the cell membrane sterol precursors lanosterol and cycloartenol, as well as saponins. It is formed when squalene is oxidized by the enzyme squalene monooxygenase. 2,3-Oxidosqualene is the substrate of various oxidosqualene cyclases, including lanosterol synthase, which produces lanosterol, a precursor to cholesterol.[1]

The stereoisomer 2,3-(R)-oxidosqualene is an inhibitor of lanosterol synthase.

References

Abe I. (2007). "Enzymatic synthesis of cyclic triterpenes". Natural Product Reports. 24 (6): 1311–31. doi:10.1039/b616857b. PMID 18033581.

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