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.^[1] It has since been found in many other lichen genera including Menegazzia,^[2] Crespoa,^[3] and Xanthoparmelia.^[4]

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.

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