# Diffractaic acid

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Chemical compound produced by lichens

Diffractaic acid Names IUPAC name 4-(2,4-dimethoxy-3,6-dimethylbenzoyl)oxy-2-hydroxy-3,6-dimethylbenzoic acid[1] Other names Diffractic acid,[1] Dirbizomic acid,[1] Dirhizomic acid,[1] NSC 5901,[2] NSC 685595[2] Identifiers CAS Number 436-32-8 Y 3D model (JSmol) Interactive image ChEMBL ChEMBL367741 ChemSpider 85597 PubChem CID 94870 CompTox Dashboard (EPA) DTXSID40195883 InChI InChI=1S/C20H22O7/c1-9-8-14(11(3)17(21)15(9)19(22)23)27-20(24)16-10(2)7-13(25-5)12(4)18(16)26-6/h7-8,21H,1-6H3,(H,22,23) Key: MIJKZXWOOXIEEU-UHFFFAOYSA-N[2] SMILES O=C(O)C1=C(O)C(C)=C(OC(C2=C(OC)C(C)=C(OC)C=C2C)=O)C=C1C Properties Chemical formula C20H22O7 Molar mass 374.389 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

**Diffractaic acid** is a [β-orcinol](https://en.wikipedia.org/w/index.php?title=%CE%92-orcinol&action=edit&redlink=1) [depside](/source/Depside) with the [molecular formula](/source/Molecular_formula) C20H22O7, which is produced by [lichens](/source/Lichens).[3][1][4] Diffractaic acid has [cytotoxic](/source/Cytotoxic), [cytogenetic](/source/Cytogenetic), [oxidative](/source/Oxidative), [analgesic](/source/Analgesic) and [antiviral](/source/Antiviral) effects.[4]

The [foliose lichen](/source/Foliose_lichen) species *[Punctelia diffractaica](/source/Punctelia_diffractaica)* is named for the presence of this compound.[5]

## References

1. ^ [***a***](#cite_ref-Diffractaic-acid_1-0) [***b***](#cite_ref-Diffractaic-acid_1-1) [***c***](#cite_ref-Diffractaic-acid_1-2) [***d***](#cite_ref-Diffractaic-acid_1-3) [***e***](#cite_ref-Diffractaic-acid_1-4) ["Diffractaic acid"](https://pubchem.ncbi.nlm.nih.gov/compound/Diffractaic-acid#section=Names-and-Identifiers). *Pubchem.ncbi.NLM.nih.gov*.

1. ^ [***a***](#cite_ref-NSC_2-0) [***b***](#cite_ref-NSC_2-1) [***c***](#cite_ref-NSC_2-2) ["Diffractaic Acid (CAS 436-32-8)"](https://www.caymanchem.com/product/24208). *www.caymanchem.com*.

1. **[^](#cite_ref-3)** Sukumaran, Swapna Thacheril; Sugathan, Shiburaj; Abdulhameed, Sabu (28 November 2020). *Plant Metabolites: Methods, Applications and Prospects*. Springer Nature. p. 265. [ISBN](/source/ISBN_(identifier)) [978-981-15-5136-9](https://en.wikipedia.org/wiki/Special:BookSources/978-981-15-5136-9).

1. ^ [***a***](#cite_ref-Diffractaic-acid2_4-0) [***b***](#cite_ref-Diffractaic-acid2_4-1) Demir, Leyla; Toğar, Başak; Türkez, Hasan; Sozio, Piera; Aslan, Ali; Stefano, Antonio Di (2015). ["The investigation of cytogenetic and oxidative effects of diffractaic acid on human lymphocyte cultures"](https://doi.org/10.1590%2FS1516-8913201502752). *Brazilian Archives of Biology and Technology*. **58**: 75–81. [doi](/source/Doi_(identifier)):[10.1590/S1516-8913201502752](https://doi.org/10.1590%2FS1516-8913201502752). [ISSN](/source/ISSN_(identifier)) [1516-8913](https://search.worldcat.org/issn/1516-8913).

1. **[^](#cite_ref-Kurokawa_1999_5-0)** Kurokawa, S. (1999). "Notes on *Flavopunctelia* and *Punctelia* (Parmeliaceae), with descriptions of four new species". *Bulletin of the Botanical Garden of Toyama*. **4**: 25–32.

## Further reading

- Sinha, Rajeshwar P.; Häder, h c Donat-P. (6 October 2020). *Natural Bioactive Compounds: Technological Advancements*. Academic Press. p. 257. [ISBN](/source/ISBN_(identifier)) [978-0-12-820659-1](https://en.wikipedia.org/wiki/Special:BookSources/978-0-12-820659-1).

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