Chemistry:Isoxerocomic acid

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Isoxerocomic acid
Isoxerocomic acid.svg
Names
Preferred IUPAC name
(E)-(3,4-Dihydroxyphenyl)[3-hydroxy-4-(4-hydroxyphenyl)-5-oxofuran-2(5H)-ylidene]acetic acid
Identifiers
3D model (JSmol)
Properties
C18H12O8
Molar mass 356.2831
Melting point 295 °C (563 °F; 568 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Tracking categories (test):

Isoxerocomic acid is a red-orange pigment found in Boletales. It is the precursor to variegatic acid, and is preceded by atromentic acid and atromentin.[2] As an example, it is isolated from Serpula lacrymans. It is soluble in methanol. It is the isomer of xerocomic acid and precursor to xerocomorubin.[2][3]

References

  1. Buckingham, John (in en). Dictionary of Natural Products, Supplement 4. CRC Press. p. 197. ISBN 978-0-412-60440-9. https://books.google.com/books?id=y1ut4ZAmDV8C&dq=27711-61-1&pg=PA197. 
  2. 2.0 2.1 Gill, M., and Steglich, W. (1987) Pigments of fungi (Macromycetes). Prog Chem Org Nat Prod 51: 1–317.
  3. Pubchem. "Isoxerocomic acid | C18H12O8 - PubChem" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/102235612.