Annulatin

Annulatin
Names

IUPAC name 3′,4′,5,5′,7-Pentahydroxy-3-methoxyflavone
Systematic IUPAC name 5,7-Dihydroxy-3-methoxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one
Other names Myricetin 3-Methylether
Identifiers
CAS Number	1486-67-5^Y
3D model (JSmol)	Interactive image
ChemSpider	24227213^Y
PubChem CID	44259709
UNII	E49FR3626E^Y
CompTox Dashboard (EPA)	DTXSID40658069
InChI InChI=1S/C16H12O8/c1-23-16-14(22)12-8(18)4-7(17)5-11(12)24-15(16)6-2-9(19)13(21)10(20)3-6/h2-5,17-21H,1H3^Y Key: XWTLYULBWZQAAZ-UHFFFAOYSA-N^Y InChI=1/C16H12O8/c1-23-16-14(22)12-8(18)4-7(17)5-11(12)24-15(16)6-2-9(19)13(21)10(20)3-6/h2-5,17-21H,1H3 Key: XWTLYULBWZQAAZ-UHFFFAOYAS
SMILES COc1c(=O)c2c(cc(cc2oc1c3cc(c(c(c3)O)O)O)O)O
Properties
Chemical formula	C₁₆H₁₂O₈
Molar mass	332.264 g·mol⁻¹
Density	1.807 g/mL
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references

Chemical compound

Annulatin is an O-methylated flavonol found in the roots of Pteroxygonum giraldii.^[1]

References

^ Li, Bao-Lin; Yang, Zhan-Jun; Jiang, Lin-Ling; Zhang, Xi-Quan; Gu, Hong-Mei; Wang, Hui-Chun; Tian, Xian-Hua (2009). "ChemInform Abstract: Antioxidant Flavone Glycosides from the Root of Pteroxygonum giraldii". ChemInform. 40 (49). doi:10.1002/chin.200949203.

Flavonols and their conjugates

Backbone

Aglycones	3-Hydroxyflavone (synthetic) and derivatives

Flavonols

Aglycones

Conjugates

Glycosides of herbacetin

Glycosides of kaempferol

Glycosides of myricetin

Conjugates of quercetin

Sulfates

Glycosides

O-Methylated flavonols

Aglycones

Glycosides

of isorhamnetin	Narcissin (Isorhamnetin 3-O-rutinoside) Isorhamnetin 3-O-glucoside Tamarixetin 7-rutinoside
other	Azalein (Azaleatin 3-O-α-L-rhamnoside) Centaurein (Centaureidin 7-O-glucoside) Eupalin (Eupalitin 3-0-rhamnoside) Eupatolin (Eupatolitin 3-O-rhamnoside) Jacein (Jaceidin 7-O-glucoside) Patulitrin (Patuletin 7-O-glucoside Xanthorhamnin (Rhamnetin glycoside)