Fisetinidin

Fisetinidin chloride
Names
	IUPAC name 2-(3,4-dihydroxyphenyl)chromenylium-3,7-diol chloride
	Other names Fisetinidin chloride; 3,3',4',7-Tetrahydroxyflavylium chloride
Identifiers
CAS Number	2948-76-7 ;
3D model (JSmol)	Interactive image;
ChemSpider	16498776 ;
PubChem CID	16212782;
UNII	MF2RUJ9T8H ;
CompTox Dashboard (EPA)	DTXSID50583696 ;
	InChI InChI=1S/C15H10O5.ClH/c16-10-3-1-8-5-13(19)15(20-14(8)7-10)9-2-4-11(17)12(18)6-9;/h1-7H,(H3-,16,17,18,19);1H Key: GLSBVYMMIPVYDC-UHFFFAOYSA-N ; InChI=1/C15H10O5.ClH/c16-10-3-1-8-5-13(19)15(20-14(8)7-10)9-2-4-11(17)12(18)6-9;/h1-7H,(H3-,16,17,18,19);1H Key: GLSBVYMMIPVYDC-UHFFFAOYAZ;
	SMILES C1=CC(=CC2=[O+]C(=C(C=C21)O)C3=CC(=C(C=C3)O)O)O.[Cl-];
Properties
Chemical formula	C15H11O5+ (Cl−)
Molar mass	306.69 g/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Fisetinidin is an anthocyanidin. It has been obtained from the heartwood of Acacia mearnsii,^[1] from the bark of Rhizophora apiculata^[2] and can also be synthesized.^[3] Fisetinidin is very similar in structure to fisetin,^[3] which itself differs in structure from quercetin only by an additional hydroxyl group on the latter.

An assay of twenty flavonoids showed fisetinidin to be the least effective in inhibition of CD38 enzyme.^[4]

Tannins

Fisetinidin can compose tannins.^[1] The polymers are then called profisetinidin (Porter, 1992).^[2]

References

^ ^a ^b D. G. Roux; E. Paulus (February 1962). "Condensed tannins. 12. Polymeric leuco-fisetinidin tannins from the heartwood of Acacia mearnsii". Biochem. J. 82 (2): 320–324. doi:10.1042/bj0820320. PMC 1243455. PMID 14494576.
^ ^a ^b Afidah A. Rahim; Emmanuel Rocca; Jean Steinmetz; M. Jain Kassim; M. Sani Ibrahim; Hasnah Osman (2008). "Antioxidant activities of mangrove Rhizophora apiculata bark extracts". Food Chemistry. 107 (1): 200–207. doi:10.1016/j.foodchem.2007.08.005.
^ ^a ^b M. Gábor; E. EperJessy (10 December 1966). "Antibacterial Effect of Fisetin and Fisetinidin". Nature. 212 (1273): 1273. doi:10.1038/2121273a0. PMID 21090477. S2CID 4262402.
^ Kellenberger E, Kuhn I, Schuber F, Muller-Steffner H (2011). "Flavonoids as inhibitors of human CD38". Bioorganic & Medicinal Chemistry Letters. 21 (13): 3939–3942. doi:10.1016/j.bmcl.2011.05.022. PMID 21641214.

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[Acac-1] D. G. Roux; E. Paulus (February 1962). "Condensed tannins. 12. Polymeric leuco-fisetinidin tannins from the heartwood of Acacia mearnsii". Biochem. J. 82 (2): 320–324. doi:10.1042/bj0820320. PMC 1243455. PMID 14494576.

[Rhizo-2] Afidah A. Rahim; Emmanuel Rocca; Jean Steinmetz; M. Jain Kassim; M. Sani Ibrahim; Hasnah Osman (2008). "Antioxidant activities of mangrove Rhizophora apiculata bark extracts". Food Chemistry. 107 (1): 200–207. doi:10.1016/j.foodchem.2007.08.005.

[pmid21090477-3] M. Gábor; E. EperJessy (10 December 1966). "Antibacterial Effect of Fisetin and Fisetinidin". Nature. 212 (1273): 1273. doi:10.1038/2121273a0. PMID 21090477. S2CID 4262402.

[pmid21641214-4] Kellenberger E, Kuhn I, Schuber F, Muller-Steffner H (2011). "Flavonoids as inhibitors of human CD38". Bioorganic & Medicinal Chemistry Letters. 21 (13): 3939–3942. doi:10.1016/j.bmcl.2011.05.022. PMID 21641214.

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Names

IUPAC name 2-(3,4-dihydroxyphenyl)chromenylium-3,7-diol chloride
Other names Fisetinidin chloride 3,3',4',7-Tetrahydroxyflavylium chloride
Identifiers
CAS Number	2948-76-7^Y
3D model (JSmol)	Interactive image
ChemSpider	16498776^N
PubChem CID	16212782
UNII	MF2RUJ9T8H^Y
CompTox Dashboard (EPA)	DTXSID50583696
InChI InChI=1S/C15H10O5.ClH/c16-10-3-1-8-5-13(19)15(20-14(8)7-10)9-2-4-11(17)12(18)6-9;/h1-7H,(H3-,16,17,18,19);1H^N Key: GLSBVYMMIPVYDC-UHFFFAOYSA-N^N InChI=1/C15H10O5.ClH/c16-10-3-1-8-5-13(19)15(20-14(8)7-10)9-2-4-11(17)12(18)6-9;/h1-7H,(H3-,16,17,18,19);1H Key: GLSBVYMMIPVYDC-UHFFFAOYAZ
SMILES C1=CC(=CC2=[O+]C(=C(C=C21)O)C3=CC(=C(C=C3)O)O)O.[Cl-]
Properties
Chemical formula	C₁₅H₁₁O₅+ (Cl⁻)
Molar mass	306.69 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 ^YN ?) Infobox references

Fisetinidin

Tannins

See also

References