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Epiafzelechin

Afzelechin
Afzelechin.png
Chemical structure of Afzelechin (2R,3S)
Epiafzelechin.svg
Chemical structure of Epiafzelechin (2R,3R)
Names
IUPAC name
Afzelechin - (2R,3S)-2-(4-hydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
Epiafzelechin - (2R,3R)-2-(4-hydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
Other names
3,5,7,4'-Tetrahydroxyflavan
3,4',5,7-Flavantetrol
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
KEGG
PubChem CID
Properties
C15H14O5
Molar mass 274.26 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N  (what is YesYN ?)
Infobox references

Afzelechin is a flavan-3-ol, a type of flavonoid. It can be found in Bergenia ligulata (a.k.a. Paashaanbhed in Ayurveda traditional Indian medicine). It exists as at least 2 major epimers (afzelechin and epi-afzelechin).

(2R,3S)-catechin:NADP+ 4-oxidoreductase transforms cis-3,4-leucopelargonidin into afzelechin.

Arthromerin A (afzelechin-3-O-β-D-xylopyranoside) and arthromerin B (afzelechin-3-O-β-D-glucopyranoside) are afzelechin glycosides isolated from the roots of the fern Arthromeris mairei.(+)-afzelechin-O-β-4'-D-glucopyranoside can be isolated from the rhizomes of the fern Selliguea feei.

Afzelechin-(4alpha→8)-afzelechin (molecular formula : C30H26O10, molar mass : 546.52 g/mol, exact mass : 546.152597, CAS number : 101339-37-1, Pubchem CID : 12395) is a B type proanthocyanidin.
Ent-epiafzelechin-3-O-p-hydroxybenzoate-(4α→8,2α→O→7)-epiafzelechin) is an A-type proanthocyanidin found in apricots (Prunus armeniaca).

Selligueain A (epiafzelechin-(4β-8,2β-0-7)-epiafzelechin-(4β-8)-afzelechin) is an A type proanthocyanidin.



dimers
Trimers
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Wikipedia

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