Constictic acid

Constictic acid
Names
	IUPAC name 13,17-dihydroxy-12-(hydroxymethyl)-5-methoxy-7-methyl-9,15-dioxo-2,10,16-trioxatetracyclo[9.7.0.03,8.014,18]octadeca-1(11),3(8),4,6,12,14(18)-hexaene-4-carbaldehyde
	Other names 1,3-Dihydro-1,4-dihydroxy-5-(hydroxymethyl)-10-methoxy-8-methyl-3,7-dioxo-7H-isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde
Identifiers
CAS Number	30287-05-9 ;
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

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

References

↑ 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.
↑ McCarthy, P.M.; Elix, John A. (2018). "New species and records of lichens from the Cook Islands" (PDF). Australian Lichenology. 82: 1.
↑ Hawksworth, David L. (2011). "Parmotrema subgen. Crespoa subgen. nov. for the Canoparmelia crozalsiana clade". Lichenologist. 43 (6): 647–648. Bibcode:2011ThLic..43..647H. doi:10.1017/S0024282911000399. S2CID 86356671.
↑ Blanco, Oscar; Crespo, Ana; Elix, John A. (2005). "Two new species of Xanthoparmelia (Ascomycota: Parmeliaceae) from Spain". Lichenologist. 37 (2): 97–100. Bibcode:2005ThLic..37...97B. doi:10.1017/S0024282905014829. S2CID 86778304.

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[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.

[McCarthy_&_Elix_2018-2] McCarthy, P.M.; Elix, John A. (2018). "New species and records of lichens from the Cook Islands" (PDF). Australian Lichenology. 82: 1.

[Hawksworth_2011-3] Hawksworth, David L. (2011). "Parmotrema subgen. Crespoa subgen. nov. for the Canoparmelia crozalsiana clade". Lichenologist. 43 (6): 647–648. Bibcode:2011ThLic..43..647H. doi:10.1017/S0024282911000399. S2CID 86356671.

[Blanco_et_al._2005-4] Blanco, Oscar; Crespo, Ana; Elix, John A. (2005). "Two new species of Xanthoparmelia (Ascomycota: Parmeliaceae) from Spain". Lichenologist. 37 (2): 97–100. Bibcode:2005ThLic..37...97B. doi:10.1017/S0024282905014829. S2CID 86778304.