ChemicalBook--->CAS DataBase List--->33620-72-3

33620-72-3

33620-72-3 Structure

33620-72-3 Structure
IdentificationBack Directory
[Name]

1,6-Dihydroxyeriolanolide
[CAS]

33620-72-3
[Synonyms]

Deacetylinulicin
Desacetylinulicin
1,6-Dihydroxyeriolanolide
Britannilactone (Desacetylinulicin)
2(3H)-Benzofuranone, 3a,4,7,7a-tetrahydro-4-hydroxy-5-[(1S)-4-hydroxy-1-methylbutyl]-6-methyl-3-methylene-, (3aS,4S,7aR)-
[Molecular Formula]

C15H22O4
[MDL Number]

MFCD28385874
[MOL File]

33620-72-3.mol
[Molecular Weight]

266.33
Chemical PropertiesBack Directory
[Melting point ]

175.1-177.0℃
[Boiling point ]

477.4±45.0 °C(Predicted)
[density ]

1.17±0.1 g/cm3 (20 ºC 760 Torr)
[solubility ]

Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
[form ]

Cryst.
[pka]

13.71±0.60(Predicted)
[color ]

White to off-white
Hazard InformationBack Directory
[Uses]

Britannilactone(Desacetylinulicin) is a methanol extract of the dried flower of Inula britannica L. IC50 value: Target: A bioassay-guided isolation of the chloroform fraction of the I. britannica using an in vitro melanogenesis inhibition assay led to the isolation of sesquiterpenes, 1-O-acetylbritannilactone (1), britannilactone (2) and neobritannilactone B (3). Compounds 1 and 2 significantly reduced melanin production in a dose-dependent manner with IC50 values of 13.3 and 15.5 μM, respectively [1].
[References]

[1] Choo SJ, et al. Hypo-pigmenting effect of sesquiterpenes from Inula britannica in B16 melanoma cells. Arch Pharm Res. 2014 May;37(5):567-74. DOI:10.1007/s12272-013-0302-4
Spectrum DetailBack Directory
[Spectrum Detail]

1,6-Dihydroxyeriolanolide(33620-72-3)1HNMR
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