Fallacinol

Fallacinol (teloschistin) is an organic compound in the structural class of chemicals known as anthraquinones. It is found in some lichens, particularly in the family Teloschistaceae, as well as a couple of plants and non lichen-forming fungi. In 1936, Japanese chemists isolated a pigment named fallacin from the lichen Oxneria fallax, which was later refined and assigned a tentative structural formula; by 1949, Indian chemists had isolated a substance from Teloschistes flavicans with an identical structural formula to fallacin. Later research further separated fallacin into two distinct pigments, fallacin-A (later called fallacinal) and fallacin-B (fallacinol). The latter compound is also known as teloschistin due to its structural match with the substance isolated earlier.

Fallacinol
Names
IUPAC name
1,8-Dihydroxy-3-(hydroxymethyl)-6-methoxyanthracene-9,10-dione
Other names
Teloschistin
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
  • InChI=1S/C16H12O6/c1-22-8-4-10-14(12(19)5-8)16(21)13-9(15(10)20)2-7(6-17)3-11(13)18/h2-5,17-19H,6H2,1H3 Y
    Key: WJXSYUJKJSOJOG-UHFFFAOYSA-N Y
  • COC1=CC2=C(C(=C1)O)C(=O)C3=C(C2=O)C=C(C=C3O)CO
Properties
C16H12O6
Molar mass 300.266 g·mol−1
Appearance orange needles
Melting point 244–246 °C (471–475 °F; 517–519 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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