Eupatolitin
Eupatolitin
Chemical structure of eupatolitin
Names
IUPAC name
3,3′,4′,5-Tetrahydroxy-6,7-dimethoxyflavone
Systematic IUPAC name
2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-6,7-dimethoxy-4H -1-benzopyran-4-one
Identifiers
ChEBI
ChemSpider
UNII
InChI=1S/C17H14O8/c1-23-11-6-10-12(14(21)17(11)24-2)13(20)15(22)16(25-10)7-3-4-8(18)9(19)5-7/h3-6,18-19,21-22H,1-2H3
N Key: WYKWHSPRHPZRCR-UHFFFAOYSA-N
N InChI=1/C17H14O8/c1-23-11-6-10-12(14(21)17(11)24-2)13(20)15(22)16(25-10)7-3-4-8(18)9(19)5-7/h3-6,18-19,21-22H,1-2H3
Key: WYKWHSPRHPZRCR-UHFFFAOYAP
O=C1c3c(O)c(OC)c(OC)cc3O/C(=C1/O)c2ccc(O)c(O)c2
Properties
C 17 H 14 O 8
Molar mass
346.291 g·mol−1
Density
1.592 g/mL
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Chemical compound
Eupatolitin is a chemical compound. It is an O -methylated flavonol , a type of flavonoid. Eupatolitin can be found in Brickellia veronicaefolia [ 1] and in Ipomopsis aggregata .[ 2]
Glycoside
Eupatolin is a eupatolitin glycoside containing a rhamnose attached at the 3 position. It can be found in Eupatorium ligustrinum .[ 3]
References
^ Roberts, Margaret F.; Timmermann, Barbara N.; Mabry, Tom J. (1980). "6-Methoxyflavonols from Brickellia veronicaefolia (compositae)". Phytochemistry . 19 (1): 127– 129. Bibcode :1980PChem..19..127R . doi :10.1016/0031-9422(80)85028-X .
^ Smith, D.M.; Glennie, C.W.; Harborne, J.B. (1971). "Identification of eupalitin, eupatolitin and patuletin glycosides in Ipomopsis aggregata". Phytochemistry . 10 (12): 3115– 3120. Bibcode :1971PChem..10.3115S . doi :10.1016/S0031-9422(00)97361-8 .
^ Quijano, L.; Malanco, F.; Ríos, Tirso (1970). "The structures of eupalin and eupatolin. Two new flavonol rhamnosides isolated from Eupatorium ligustrinum D.C". Tetrahedron . 26 (12): 2851– 2859. doi :10.1016/S0040-4020(01)92863-7 .
External links
Flavonols and their conjugates
Backbone
Flavonols
Aglycones Conjugates
Glycosides of herbacetin Glycosides of kaempferol
Afzelin (Kaempferol 3-rhamnoside)
Astragalin (kaempferol 3-O-glucoside)
Kaempferitrin (kaempferol 3,7-dirhamnoside)
Juglanin (Kaempferol 3-O-arabinoside)
Kaempferol 3-alpha-L-arabinopyranoside
Kaempferol 3-alpha-D-arabinopyranoside
Kaempferol 7-alpha-L-arabinoside
Kaempferol 7-O-glucoside
Kaempferol 3-lathyroside
Kaempferol 4'-rhamnoside
Kaempferol 5-rhamnoside
Kaempferol 7-rhamnoside
Kaempferol 7-O-alpha-L-rhamnofuranoside
Kaempferol 3-xyloside
Kaempferol 7-xyloside
Robinin (kaempferol-3-O-robinoside-7-O-rhamnoside)
Kaempferol 3-O-rutinoside
Sophoraflavonoloside (Kaempferol 3-O-sophoroside)
Trifolin (Kaempferol 3-O-beta-D-galactoside)
Glycosides of myricetin Conjugates of quercetin
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)
Derivative flavonols
Aglycones
Noricaritin
Dihydronoricaritin
Glycosides
Pyranoflavonols
Furanoflavonols
Semisynthetic
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