Kumatakenin Chemical structure of kumatakenin |
| Names |
| IUPAC name 4′,5-Dihydroxy-3,7-dimethoxyflavone |
Systematic IUPAC name 5-Hydroxy-2-(4-hydroxyphenyl)-3,7-dimethoxy-4H-1-benzopyran-4-one |
| Other names Jaranol Kumatakillin 5,4'-Dihydroxy-3,7-dimethoxyflavone 3,7-Dimethoxyl kaempferol Kamatakenin |
| Identifiers |
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| ChemSpider | |
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| UNII | |
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InChI=1S/C17H14O6/c1-21-11-7-12(19)14-13(8-11)23-16(17(22-2)15(14)20)9-3-5-10(18)6-4-9/h3-8,18-19H,1-2H3 NKey: BJBUTJQYZDYRMJ-UHFFFAOYSA-N NInChI=1/C17H14O6/c1-21-11-7-12(19)14-13(8-11)23-16(17(22-2)15(14)20)9-3-5-10(18)6-4-9/h3-8,18-19H,1-2H3 Key: BJBUTJQYZDYRMJ-UHFFFAOYAI |
COC1=CC(=C2C(=C1)OC(=C(C2=O)OC)C3=CC=C(C=C3)O)O |
| Properties |
| | C17H14O6 |
| Molar mass | 314.293 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 |
Kumatakenin is an O-methylated flavonol. It can be found in Astragalus membranaceus.[1]
References
Flavonols and their conjugates |
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| Backbone | |
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| Flavonols | | Aglycones | |
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| Conjugates | | Glycosides of herbacetin | |
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| 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)
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| Glycosides of myricetin | |
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| Conjugates of quercetin | |
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| O-Methylated flavonols | | Aglycones | |
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| Glycosides | | of isorhamnetin | - Narcissin (Isorhamnetin 3-O-rutinoside)
- Isorhamnetin 3-O-glucoside
- Tamarixetin 7-rutinoside
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| 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)
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| Derivative flavonols | | Aglycones | - Noricaritin
- Dihydronoricaritin
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| Glycosides | |
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| Pyranoflavonols | |
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| Furanoflavonols | |
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| Semisynthetic | |
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