Marein

Marein
Names

IUPAC name (E)-3-(3,4-dihydroxyphenyl)-1-[2,3-dihydroxy-4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]prop-2-en-1-one
Other names Okanin-4'-O-glucoside
Identifiers
CAS Registry Number	535-96-6^Y=
ChemSpider	4945457^N
Jmol-3D images	Image
PubChem	6441269
SMILES C1=CC(=C(C=C1C=CC(=O)C2=C(C(=C(C=C2)OC3C(C(C(C(O3)CO)O)O)O)O)O)O)O
Properties
Chemical formula	C₂₁H₂₂O₁₁
Molar mass	450.39 g/mol
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
N verify (what is: Y/N?)
Infobox references

Marein is an chalconoid, a type of natural phenol.^[1] It is the 4'-O-glucoside of okanin. It can be found in Coreopsis maritima.^[2] It is an anthochlor pigment, a kind of yellow pigment.^[3]

References

Chalconoids and their glycosides

Chalconoids	Butein Isoliquiritigenin Methyl hydroxychalcone Okanin

Chalconoid glycosides	Carthamin Marein okanin 3,4,3′-trimethyl ether 4′-glucoside okanin 4-methyl ether 4′-glucoside okanin 4-methyl ether 4′-glucoside monoacetate Okanin 3,4-dimethyl ether 4′-glucoside

Acylated chalconoids	Licochalcone A Sophoradin (prenylated) Tephrospinosin (3′,5′-diisopentenyl-2′,4′-dihydroxychalcone) (prenylated) Xanthohumol (prenylated)

O-methylated chalconoids	Cardamomin Flavokawin B Okanin 3,4,3′,4′-tetramethyl ether Pashanone (2',6'-Dihydroxy-3',4'-dimethoxychalcone)

Flavokavains	Flavokavain A Flavokavain B Flavokavain C

Synthetic	Sofalcone