Constictic acid

Constictic acid is a chemical compound of the depsidone class. It was first isolated in 1968 from lichen of the genus Usnea.[1] It has since been found in many other lichen genera including Menegazzia,[2] Crespoa,[3] and Xanthoparmelia.[4]

Not to be confused with Constipatic acid.
Constictic acid
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/C19H14O10/c1-6-3-9(26-2)7(4-20)14-10(6)17(23)28-15-8(5-21)13(22)11-12(16(15)27-14)19(25)29-18(11)24/h3-4,19,21-22,25H,5H2,1-2H3
    Key: FYPCEUKJORJHDL-UHFFFAOYSA-N
  • CC1=CC(=C(C2=C1C(=O)OC3=C(O2)C4=C(C(=C3CO)O)C(=O)OC4O)C=O)OC
Properties
C19H14O10
Molar mass 402.311 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. Yosioka, Itiro; Morita, Yutaka; Ebihara, Kikuko (1970). "The Structure of Constictic Acid". Chemical and Pharmaceutical Bulletin. 18 (11): 2364–2366. doi:10.1248/cpb.18.2364.
  2. McCarthy, P.M.; Elix, John A. (2018). "New species and records of lichens from the Cook Islands" (PDF). Australian Lichenology. 82: 1.
  3. Hawksworth, David L. (2011). "Parmotrema subgen. Crespoa subgen. nov. for the Canoparmelia crozalsiana clade". Lichenologist. 43 (6): 647–648. doi:10.1017/S0024282911000399. S2CID 86356671.
  4. Blanco, Oscar; Crespo, Ana; Elix, John A. (2005). "Two new species of Xanthoparmelia (Ascomycota: Parmeliaceae) from Spain". Lichenologist. 37 (2): 97–100. doi:10.1017/S0024282905014829. S2CID 86778304.
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