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Protostane

Names
IUPAC name Protostane
Systematic IUPAC name (1R,3aS,3bS,5aS,9aS,9bS,11aS)-3a,3b,6,6,9a-Pentamethyl-1-hexadecahydro-1H-cyclopentaphenanthrene
Identifiers
CAS Number	70050-78-1
3D model (JSmol)	Interactive image
ChEBI	CHEBI:36483
ChemSpider	7827639
PubChem CID	9548716
UNII	7F8LXZ75AX
CompTox Dashboard (EPA)	DTXSID601337032
InChI InChI=1S/C30H54/c1-21(2)11-9-12-22(3)23-15-19-29(7)24(23)13-14-26-28(6)18-10-17-27(4,5)25(28)16-20-30(26,29)8/h21-26H,9-20H2,1-8H3/t22-,23-,24+,25+,26+,28+,29+,30+/m1/s1Key: OORMXZNMRWBSTK-XJIBWFFZSA-N
SMILES C(CCCC(C)C)1CC2(1CC32(CC43(CCCC4(C)C)C)C)C
Properties
Chemical formula	C30H54
Molar mass	414.762 g·mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references

Protostane is a tetracyclic triterpene, its natural distribution is primarily limited to the genus Alisma. It is so named because it is considered to be the "prototype" of steroids.

See also

• Fusidane
• Dammarane
• Lanostane

References

1. International Union of Pure and Applied Chemistry (2014). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. The Royal Society of Chemistry. p. 1539. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.
2. Zhao M, Gödecke T, Gunn J, Duan JA, Che CT (2013). "Protostane and Fusidane Triterpenes: A Mini-Review". Molecules. 18 (4): 4054–4080. doi:10.3390/molecules18044054. PMC 3901436. PMID 23563857.

• Triterpenes