Isoxerocomic acid

Isoxerocomic acid
Identifiers
CAS Number	25287-88-1;
3D model (JSmol)	Interactive image;
ChemSpider	30776773;
PubChem CID	54730624;
	InChI InChI=1S/C18H12O8/c19-10-4-1-8(2-5-10)14(17(23)24)16-15(22)13(18(25)26-16)9-3-6-11(20)12(21)7-9/h1-7,19-22H,(H,23,24)/b16-14+ Key: LJVSOLKVNIGBDE-JQIJEIRASA-N;
	SMILES OC(=O)C(=C1\OC(=O)C(=C1O)C1=CC=C(O)C(O)=C1)\C1=CC=C(O)C=C1;
Properties
Chemical formula	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

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.[1] 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.[1][2]

References

Gill, M., and Steglich, W. (1987) Pigments of fungi (Macromycetes). Prog Chem Org Nat Prod 51: 1–317.
Pubchem. "Isoxerocomic acid | C18H12O8 - PubChem". pubchem.ncbi.nlm.nih.gov. Retrieved 2017-07-17.

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