Ermanin
      
Ermanin
 
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| Names | 
| IUPAC name 5,7-dihydroxy-3-methoxy-2-(4-methoxyphenyl)chromen-4-one | 
| Other names 3,4'-DimethoxychrysinKaempferol-3,4'-dimethylether
 Kaempferol 3,4'-di-O-methyl ether
 5,7-Dihydroxy-3,4'-dimethoxyflavone
 5,7-Dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4-benzopyrone
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| Identifiers | 
|  | 20869-95-8  Y= | 
| ChemSpider | 4508982  N | 
| Jmol interactive 3D | Image | 
| PubChem | 5352001 | 
| 
InChI=1S/C17H14O6/c1-21-11-5-3-9(4-6-11)16-17(22-2)15(20)14-12(19)7-10(18)8-13(14)23-16/h3-8,18-19H,1-2H3  NKey: RJCJVIFSIXKSAH-UHFFFAOYSA-N  NInChI=1/C17H14O6/c1-21-11-5-3-9(4-6-11)16-17(22-2)15(20)14-12(19)7-10(18)8-13(14)23-16/h3-8,18-19H,1-2H3 Key: RJCJVIFSIXKSAH-UHFFFAOYAU
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COC1=CC=C(C=C1)C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC
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| Properties | 
|  | C17H14O6 | 
| Molar mass | 314.28 g/mol | 
| Except where otherwise noted, data are given for materials in their standard state  (at 25 °C [77 °F], 100 kPa). | 
|  N verify (what is  Y  N ?) | 
| Infobox references | 
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Ermanin is an O-methylated flavonol. It was isolated from Tanacetum microphyllum.[1]
 References 
| | Flavonols and their conjugates | 
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 |  |  | Backbone |  | 
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 |  |  | Flavonols | | Aglycones |  | 
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 |  |  | Conjugates | |  |  | 
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 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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 |  |  | 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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