Europinidin |
| Names |
| IUPAC name 3,3′,4′,7-Tetrahydroxy-5,5′-dimethoxyflavylium |
Systematic IUPAC name 2-(3,4-Dihydroxy-5-methoxyphenyl)-5-methoxy-3,7-dimethyl-1λ4-benzopyran-1-ylium |
| Other names 5,3′-Di-O-methyldelphinidin |
| Identifiers |
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| ChemSpider | |
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InChI=1S/C17H14O7/c1-22-13-5-9(18)6-14-10(13)7-12(20)17(24-14)8-3-11(19)16(21)15(4-8)23-2/h3-7H,1-2H3,(H3-,18,19,20,21)/p+1 NKey: XJXMPIWHBIOJSH-UHFFFAOYSA-O N |
Oc1cc2c(OC)cc(O)cc2[o+]c1c3cc(OC)c(O)c(O)c3 |
| Properties |
| | C17H15O7+ (, Cl−) |
| Molar mass | 331.30 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references |
Europinidin (Eu) is an O-methylated anthocyanidin. It is a water-soluble, bluish red plant dye.[1] It is a rare O-methylated flavonoid, a derivative of delphinidin. It can be found in some species of Plumbago and Ceratostigma.[2]
References
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| 3-Hydroxyanthocyanidins | |
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| 3-Deoxyanthocyanidins | |
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| O-Methylated anthocyanidins | |
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Anthocyanins (anthocyaninidin glycosides) | Glucosides: Diglucosides: - Cyanin (Cyanidin 3,5-O-diglucoside)
- Delphin (Delphinidin 3,5-O-diglucoside)
- Malvin (Malvidin 3,5-diglucoside)
- Pelargonin (Pelargonidin 3,5-O-diglucoside)
- Peonin (Peonidin 3,5-O-diglucoside)
- Petunin (Petunidin 3,5-O-diglucoside)
Others glycosides: - Antirrhinin (Cyanidin 3-O-rutinoside)
- Idaein (Cyanidin 3-O-galactoside)
- Delphinidin 3-O-rhamnoside
- Petunidin 3-O-arabinoside
- Petunidin 3-O-galactoside
- Petunidin 3-O-rhamnoside
- Petunidin 3-O-rutinoside
- Primulin (Malvidin 3-O-galactoside)
- Pulchellidin 3-rhamnoside
- Tulipanin (Delphinidin 3-O-rutinoside)
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| Acylated anthocyanins | | Acetylated anthocyanins | Cyanidin 3-O-(6-acetyl)glucoside Delphinidin 3-O-(6-acetyl)glucoside Malvidin 3-O-(6-acetyl)glucoside Petunidin 3-O-(6-acetyl)galactoside Petunidin 3-O-(6-acetyl)glucoside Peonidin 3-O-(6-acetyl)glucoside |
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Coumaroylated anthocyanins (cis- and trans-) | |
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| Caffeoylated anthocyanins | - Malvidin 3-O-(6-p-caffeoyl)glucoside
- Peonidin 3-O-(6-p-caffeoyl)glucoside
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| Malonylated anthocyanins | - Malonylmalvin (malvidin 3-(6″-malonylglucoside)-5-glucoside)
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| Acylated anthocyanin diglycosides | - Cyanidin 3-O-(di-p-coumarylglucoside)-5-glucoside
- Gentiodelphin (delphinidin 3-''O''-glucosyl-5-''O''-(6-''O''-caffeoyl-glucosyl)-3′-''O''-(6-''O''-caffeoyl-glucoside))
- Nasunin (Delphinidin 3-(p-coumaroylrutinoside)-5-glucoside)
- Petanin (petunidin 3-[6-O-(4-O-(E)-p-coumaroyl-O-α-l-rhamnopyranosyl)-β-D-glucopyranoside]-5-O-β-D-glucopyranoside)
- Violdelphin (Delphinidin 3-rutinoside-7-O-(6-O-(4-(6-O-(4-hydroxybenzoyl)-β-D-glucosyl)oxybenzoyl)-β-D-glucoside)
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| Flavanol-anthocyanin adducts | - Malvidin glucoside-ethyl-catechin
- Catechin(4α→8)pelargonidin 3-O-β-glucopyranoside
- Epicatechin(4α→8)pelargonidin 3-O-β-glucopyranoside
- Afzelechin(4α→8)pelargonidin 3-O-β-glucopyranoside
- Epiafzelechin(4α→8)pelargonidin 3-O-β-glucopyranoside
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| Miscellaneous | |
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