Calostomal

Calostomal is an organic compound that has a carboxylic acid and an aldehyde group. It is an orange solid that is extracted from the mushroom Calostoma cinnabarinum, hence its name. The structure of this compound was confirmed by NMR and mass spectrometry of the methyl ester derivative.[1] This compound is a polyene; its conjugated system accounts for its intense color, similar to lycopene found in tomatoes.

Calostoma cinnabarinum
Calostomal
Names
Preferred IUPAC name
(2E,4E,6E,8E,10E,12E,14E)-16-Oxohexadeca-2,4,6,8,10,12,14-heptaenoic acid
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/C16H16O3/c17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16(18)19/h1-15H,(H,18,19)/b2-1+,5-3+,6-4+,9-7+,10-8+,13-11+,14-12+
    Key: GIIWFUDWDOUFTE-JCSPMBIZSA-N
  • InChI=1/C16H16O3/c17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16(18)19/h1-15H,(H,18,19)/b2-1+,5-3+,6-4+,9-7+,10-8+,13-11+,14-12+
    Key: GIIWFUDWDOUFTE-JCSPMBIZBZ
  • C(=C/C=C/C=C/C=C/C(=O)O)\C=C\C=C\C=C\C=O
Properties
C16H16O3
Molar mass 256.301 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References
  1. Gruber G, Steglich W. (2007). "Calostomal, a polyene pigment from the gasteromycete Calostoma cinnabarinum (Boletales)" (PDF). Zeitschrift für Naturforschung B. 62 (1): 129–131. doi:10.1515/znb-2007-0120. S2CID 28501033.
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