Flavogallonic acid dilactone

Flavogallonic acid dilactone
Names
Preferred IUPAC name
3,4,5-Trihydroxy-2-(1,6,7-trihydroxy-4,9-dioxo-4,9-dihydro[1]benzopyrano[5,4,3-cde][1]benzopyran-2-yl)benzoic acid
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/C21H10O12/c22-8-2-5(19(28)29)10(16(27)14(8)25)4-1-6-11-12-7(21(31)32-17(11)13(4)24)3-9(23)15(26)18(12)33-20(6)30/h1-3,22-27H,(H,28,29)
    Key: ICEBGCDIMFYRLU-UHFFFAOYSA-N
  • O=c4oc3c1c(c(c2O)oc(=O)c1cc(O)c3O)c4cc2-c(c(O)c5O)c(C(O)=O)cc5O
Properties
C21H10O12
Molar mass 454.29 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Flavogallonic acid dilactone is a hydrolysable tannin that can be found in Rhynchosia volubilis seeds, in Shorea laevifolia, in Anogeissus leiocarpus and Terminalia avicennoides.

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