Punicacortein B

Punicacortein B
Names

IUPAC name (2R,3R)-3-[(14S,15S,19S)-2,3,4,7,8,9,19-Heptahydroxy-12,17-dioxo-13,16-dioxatetracyclo[13.3.1.05,18.06,11]nonadeca-1(18),2,4,6,8,10-hexaen-14-yl]-2,3-dihydroxypropyl 3,4,5-trihydroxybenzoate
Identifiers
3D model (Jmol)	Interactive image
ChemSpider	16738326
InChI Key: 1S/C27H22O18/c28-7-1-5(2-8(29)15(7)32)25(40)43-4-10(31)17(34)23-24-21(38)14-13(27(42)45-24)12(19(36)22(39)20(14)37)11-6(26(41)44-23)3-9(30)16(33)18(11)35/h1-3,10,17,21,23-24,28-39H,4H2/t10-,17-,21+,23+,24+/m1/s1 Key: JYPJJOONMBTTAR-MEZSAOBOSA-N
SMILES Oc1cc(cc(O)c1O)C(=O)OC[C@@H](O)[C@@H](O)[C@@H]5OC(=O)c2cc(O)c(O)c(O)c2c3c(O)c(O)c(O)c4[C@H](O)[C@@H]5OC(=O)c34
Properties
Chemical formula	C₂₇H₂₂O₁₈
Molar mass	634.43 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Punicacortein B is an ellagitannin, a polyphenol compound. It is found in the bark of Punica granatum (pomegranate).^[1]

References

↑ Tannins and Related Compounds. XLI. : Isolation and Characterization of Novel Ellagitannins, Punicacorteins A, B, C, and D, and Punigluconin from the Bark of Punica granatum L. Tanaka Takashi, Nonaka Gen-Ichiro and Nishioka Itsuo, Chemical & pharmaceutical bulletin, 1986-02-25, 34(2), pages 656-663 (abstract)

Moieties

Lactones

Monomers

C-glycosidic ellagitannins

Dehydroellagitannins (molecules with
dehydrohexahydroxydiphenic acid (DHHDP)

Transformed ellagitannins

molecules with chebulic acid	Chebulagic acid Chebulinic acid

molecules with Elaeocarpusinic acid	Elaeocarpusin Helioscopin B Mallojaponin (1-O-Galloyl-2,4-elaeocarpusinoyl-3,6-(R)-valoneayl-beta-D-glucose)

Oligomers

Dimers: Agrimoniin; Cornusiin E (dimer of tellimagrandin II); Lambertianin A and B; Nobotanin B; Roburin A, B, C and D; Sanguiin H-6

Other

Types of pomegranate ellagitannins

Aglycones	Ellagic acid Gallagic acid Gallic acid Hexahydroxydiphenic acid

Sugars	Glucose Gluconic acid

Examples	Casuarinin Gallagyldilactone Granatin A and B Pedunculagin Punicacortein A, B, C and D 5-O-galloylpunicacortein D Punicafolin Punigluconin Punicalagin 1-alpha-O-Galloylpunicalagin Punicalin 2-O-galloyl-punicalin Strictinin

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