Patuletin

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Patuletin
IUPAC name

2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxychromen-4-one

Other names

6-Methoxyquercetin
Quercetagetin 6-methyl ether
2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxy-4-benzopyrone

Identifiers
CAS number 519-96-0 YesY=
PubChem 5281678
ChEMBL CHEMBL465155 N
Jmol-3D images Image 1
Properties
Molecular formula C16H12O8
Molar mass 332.26 g/mol
 N (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Patuletin is an O-methylated flavonol. It can be found in the genus Eriocaulon.[1]

Glycosides

Patuletin glycosides can be found in Ipomopsis aggregata.[2]

Patuletin-3-O-rutinoside can be isolated from the aerial parts of Echinacea angustifolia.[3]

Patuletin acetylrhamnosides can be isolated from Kalanchoe brasiliensis.[4]

References

  1. ↑ Bate-Smith, E. C.; Harborne, J. B. (1969). "Quercetagetin and patuletin in Eriocaulon". Phytochemistry 8 (6): 1035. doi:10.1016/S0031-9422(00)86351-7. 
  2. ↑ Smith, D. M.; Glennie, C. W.; Harborne, J. B. (1971). "Identification of eupalitin, eupatolitin and patuletin glycosides in Ipomopsis aggregata". Phytochemistry 10 (12): 3115. doi:10.1016/S0031-9422(00)97361-8. 
  3. ↑ Lin, L.; Qiu, S.; Lindenmaier, M.; He, X.; Featherstone, T.; Cordell, G. A. (2002). "Patuletin-3-O-Rutinoside from the Aerial Parts of Echinacea angustifolia". Pharmaceutical Biology 40 (2): 92. doi:10.1076/phbi.40.2.92.5839. 
  4. ↑ Costa, S. S.; Jossang, A.; Bodo, B.; Souza, M. L. M.; Moraes, V. L. G. (1994). "Patuletin Acetylrhamnosides from Kalanchoe brasiliensis as Inhibitors of Human Lymphocyte Proliferative Activity". Journal of Natural Products 57 (11): 1503–1510. doi:10.1021/np50113a005. PMID 7853000. 
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