Marein

Names
IUPAC name

4′-(β-D-Glucopyranosyloxy)-2′,3,3′,4-tetrahydroxychalcone

Systematic IUPAC name

2′,3,3′,4-Tetrahydroxy-4′-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}chalcone

Other names

Okanin-4'-O-glucoside

Identifiers

CAS Number

* 535-96-6 Y=
* 197164-34-4 (non-specific) Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 4945457 N

PubChem CID

* 6441269

UNII |

* CY787E65J4 Y

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 otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)
Infobox references

Tracking categories (test):

* SizeSet

Marein is a 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

1. ↑ Marein on metabolomics.jp
2. ↑ Anthochlor Pigments. XII. Maritimein and Marein. Harborne J. B., Geissman T. A., J. Am. Chem. Soc., 1956, 78 (4), pp 829–832
3. ↑ Anthochlor pigment on botanydictionary.org

## External links

* Marein spectral data on www.massbank.jp

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*[CID]: Compound ID