Columnidin
Chemical structure of columnidin
Names
IUPAC name
3′,4′,5,7,8-Pentahydroxyflavylium
Preferred IUPAC name
2-(3,4-Dihydroxyphenyl)-5,7,8-trihydroxy-1λ4-benzopyran-1-ylium
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/C15H10O6/c16-9-3-1-7(5-11(9)18)13-4-2-8-10(17)6-12(19)14(20)15(8)21-13/h1-6H,(H4-,16,17,18,19,20)/p+1 ☒N
    Key: USQSSTLNPXPPHA-UHFFFAOYSA-O ☒N
  • InChI=1/C15H10O6/c16-9-3-1-7(5-11(9)18)13-4-2-8-10(17)6-12(19)14(20)15(8)21-13/h1-6H,(H4-,16,17,18,19,20)/p+1
    Key: USQSSTLNPXPPHA-IKLDFBCSAT
  • C1=CC(=C(C=C1C2=[O+]C3=C(C=C2)C(=CC(=C3O)O)O)O)O
Properties
C15H11O6
Molar mass 287.244
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

Columnidin is an orange red pigment, belonging to the 3-deoxyanthocyanidins[1] found in red-flowered western-hemisphere gesneriad species such as episcias, columneas, sarmientas, and sinningias.

The columnidin is named after the gesneriad genus Columnea in which it is found,[2] notably in Columnea hybrida.[3]

References

  1. ↑ "Gesneriaceae and Scrophulariaceae : Robert Brown and now, Anton Weber, 2004" (PDF). Archived from the original (PDF) on 2015-09-24. Retrieved 2009-08-26.
  2. ↑ Sinningia Pollinators
  3. ↑ "Studies on columnidin biosynthesis with flower extracts from Columnea hybrida, Stich, K.; Forkmann, G.; Z. Naturforsch. C 43, 311-314 (1988)". Archived from the original on 2012-10-25. Retrieved 2009-08-26.
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