# Constictic acid

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Constictic_acid
> Markdown URL: https://mediated.wiki/source/Constictic_acid.md
> Source: https://en.wikipedia.org/wiki/Constictic_acid
> Source revision: 1294340576
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

Not to be confused with [Constipatic acid](/source/Constipatic_acid).

Constictic acid Identifiers CAS Number 30287-05-9 Y 3D model (JSmol) Interactive image ChemSpider 95797318 PubChem CID 71436827 CompTox Dashboard (EPA) DTXSID70893906 InChI 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 SMILES CC1=CC(=C(C2=C1C(=O)OC3=C(O2)C4=C(C(=C3CO)O)C(=O)OC4O)C=O)OC Properties Chemical formula 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

Chemical compound

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

## References

1. **[^](#cite_ref-1)** Yosioka, Itiro; Morita, Yutaka; Ebihara, Kikuko (1970). ["The Structure of Constictic Acid"](https://doi.org/10.1248%2Fcpb.18.2364). *Chemical and Pharmaceutical Bulletin*. **18** (11): 2364–2366. [doi](/source/Doi_(identifier)):[10.1248/cpb.18.2364](https://doi.org/10.1248%2Fcpb.18.2364).

1. **[^](#cite_ref-McCarthy_&_Elix_2018_2-0)** McCarthy, P.M.; Elix, John A. (2018). ["New species and records of lichens from the Cook Islands"](https://www.anbg.gov.au/abrs/lichenlist/AL82.pdf) (PDF). *Australian Lichenology*. **82**: 1.

1. **[^](#cite_ref-Hawksworth_2011_3-0)** Hawksworth, David L. (2011). "*Parmotrema* subgen. *Crespoa* subgen. nov. for the *Canoparmelia crozalsiana* clade". *Lichenologist*. **43** (6): 647–648. [doi](/source/Doi_(identifier)):[10.1017/S0024282911000399](https://doi.org/10.1017%2FS0024282911000399). [S2CID](/source/S2CID_(identifier)) [86356671](https://api.semanticscholar.org/CorpusID:86356671).

1. **[^](#cite_ref-Blanco_et_al._2005_4-0)** Blanco, Oscar; Crespo, Ana; Elix, John A. (2005). "Two new species of *Xanthoparmelia* (Ascomycota: Parmeliaceae) from Spain". *Lichenologist*. **37** (2): 97–100. [doi](/source/Doi_(identifier)):[10.1017/S0024282905014829](https://doi.org/10.1017%2FS0024282905014829). [S2CID](/source/S2CID_(identifier)) [86778304](https://api.semanticscholar.org/CorpusID:86778304).

This article about an Ether is a stub. You can help Wikipedia by adding missing information.

- [v](https://en.wikipedia.org/wiki/Template:Ether-stub)
- [t](/source/Template_talk%3AEther-stub)
- [e](https://en.wikipedia.org/wiki/Special:EditPage/Template:Ether-stub)

---
Adapted from the Wikipedia article [Constictic acid](https://en.wikipedia.org/wiki/Constictic_acid) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Constictic_acid?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.