Guibourtinidin

Guibourtinidin (chloride)
Names

IUPAC name 2-(4-hydroxyphenyl)chromenylium-3,7-diol
Other names Guibourtinidin chloride 3,7,4'-Trihydroxyflavylium chloride
Identifiers
3D model (Jmol)	Interactive image
PubChem	20481741
SMILES C1=CC(=CC=C1C2=C(C=C3C=CC(=CC3=[O+]2)O)O)O
Properties
Chemical formula	C₁₅H₁₁O₄+ Cl⁻
Molar mass	255.24 g/mol
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

Guibourtinidin is a anthocyanidin.

Tannins

Guibourtinidin forms tannins called leucoguibourtinidins or proguibourtinidins.

3-hydroxyanthocyanidins

O-methylated anthocyanidins

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:

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

Coumaroylated anthocyanins (cis- and trans-)	Cyanidin-3-O-(6-p-coumaroyl)glucoside Delphinidin-3-O-(6-p-coumaroyl)glucoside Malvidin-3-O-(6-p-coumaroyl)glucoside Petunidin-3-O-(6-p-coumaroyl)glucoside Peonidin-3-O-(6-p-coumaroyl)glucoside

Caffeoylated anthocyanins	Malvidin-3-O-(6-p-caffeoyl)glucoside Peonidin-3-O-(6-p-caffeoyl)glucoside

Malonylated anthocyanins	Malonylmalvin (malvidin 3-(6″-malonylglucoside)-5-glucoside)

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)-beta-D-glucosyl)oxybenzoyl)-beta-D-glucoside)

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

Misc.

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