Isoquercetin

Isoquercetin
Names
	IUPAC name 3-(β-D-Glucopyranosyloxy)-3′,4′,5,7-tetrahydroxyflavone
	Preferred IUPAC name 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4H-1-benzopyran-4-one
	Other names Isoquercitroside; Isoquercitin; Isoquercetin; Trifoliin; Isotrifolin; Trifoliin A; Isohyperoside; Isotrifoliin; Quercetin-3-glucoside; Quercetin-3-O-glucoside; Quercetin 3-O-β-D-glucopyranoside
Identifiers
CAS Number	482-35-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	4444361;
PubChem CID	5280804;
UNII	6HN2PC637T ;
	InChI InChI=1S/C21H20O12/c22-6-13-15(27)17(29)18(30)21(32-13)33-20-16(28)14-11(26)4-8(23)5-12(14)31-19(20)7-1-2-9(24)10(25)3-7/h1-5,13,15,17-18,21-27,29-30H,6H2/t13-,15-,17+,18-,21+/m1/s1 Key: OVSQVDMCBVZWGM-QSOFNFLRSA-N; InChI=1/C21H20O12/c22-6-13-15(27)17(29)18(30)21(32-13)33-20-16(28)14-11(26)4-8(23)5-12(14)31-19(20)7-1-2-9(24)10(25)3-7/h1-5,13,15,17-18,21-27,29-30H,6H2/t13-,15-,17+,18-,21+/m1/s1 Key: OVSQVDMCBVZWGM-QSOFNFLRBX;
	SMILES C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O)O;
Properties
Chemical formula	C21H20O12
Molar mass	464.379 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Isoquercetin, isoquercitrin or isotrifoliin^[1] is a flavonoid, a type of chemical compound. It is the 3-O-glucoside of quercetin. Isoquercitrin can be isolated from various plant species including Mangifera indica (mango)^[2] and Rheum nobile (the Noble rhubarb). It is also present in the leaves of Annona squamosa, Camellia sinensis (tea).^[3]^[4] and Vestia foetida^[5]

Spectral data

The lambda-max for isoquercetin is 254.8 and 352.6 nm.

Potential clinical uses

Isoquercetin is presently being investigated for prevention of thromboembolism in selected cancer patients^[6] and as an anti-fatigue agent in kidney cancer patients treated with sunitinib.^[7]

There is a single case report of its use in the successful treatment of prurigo nodularis, a difficult to treat pruritic eruption of the skin.^[8]

However it belongs to the PAINS (Pan-assay interference compounds) categories of chemicals.^[9]

References

↑ "Isoquercetin". PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/5280804#section=Top.
↑ "Characterization of phenolic compounds in some Indian mango cultivars". International Journal of Food Sciences and Nutrition 55 (2): 163–9. 2004. doi:10.1080/09637480410001666441. PMID 14985189.
↑ Panda S, Kar A (2007). "Antidiabetic and antioxidative effects of Annona squamosa leaves are possibly mediated through quercetin-3-O-glucoside". BioFactors 31 (3-4): 201–210. doi:10.1002/biof.5520310307. PMID 18997283.
↑ Sakakibara, H; Honda, Y; Nakagawa, S; Ashida, H; Kanazawa, K (2003). "Simultaneous determination of all polyphenols in vegetables, fruits, and teas". Journal of Agricultural and Food Chemistry 51 (3): 571–81. doi:10.1021/jf020926l. PMID 12537425.
↑ C. Brevis, M. Quezada, P. Bustamante, L. Carrasco, A. Ruiz, S. Donoso, Huevil (Vestia foetida) poisoning of cattle in Chile The Veterinary record 156(14):452-3 May 2005
↑ NCT02195232
↑ NCT02446795
↑ Pennesi, Christine M.; Neely, John; Marks Jr., Ames G.; Alison Basak, S. (November 2017). "Use of Isoquercetin in the Treatment of Prurigo Nodularis". Journal of Drugs in Dermatology 16 (11): 1156–1158. http://jddonline.com/articles/dermatology/S1545961617P1156X/1.
↑ J Baell; M A Walters (2014). "Chemistry: Chemical con artists foil drug discovery". Nature 513 (7519): 481–483. doi:10.1038/513481a. PMID 25254460.

Isoquercetin

Topic: Chemistry

Contents

Spectral data

Potential clinical uses

References

See also

Names

IUPAC name 3-(β-D-Glucopyranosyloxy)-3′,4′,5,7-tetrahydroxyflavone
Preferred IUPAC name 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4H-1-benzopyran-4-one
Other names Isoquercitroside Isoquercitin Isoquercetin Trifoliin Isotrifolin Trifoliin A Isohyperoside Isotrifoliin Quercetin-3-glucoside Quercetin-3-O-glucoside Quercetin 3-O-β-D-glucopyranoside
Identifiers
CAS Number	482-35-9^Y
3D model (JSmol)	Interactive image
ChemSpider	4444361
PubChem CID	5280804
UNII	6HN2PC637T^Y
InChI InChI=1S/C21H20O12/c22-6-13-15(27)17(29)18(30)21(32-13)33-20-16(28)14-11(26)4-8(23)5-12(14)31-19(20)7-1-2-9(24)10(25)3-7/h1-5,13,15,17-18,21-27,29-30H,6H2/t13-,15-,17+,18-,21+/m1/s1 Key: OVSQVDMCBVZWGM-QSOFNFLRSA-N InChI=1/C21H20O12/c22-6-13-15(27)17(29)18(30)21(32-13)33-20-16(28)14-11(26)4-8(23)5-12(14)31-19(20)7-1-2-9(24)10(25)3-7/h1-5,13,15,17-18,21-27,29-30H,6H2/t13-,15-,17+,18-,21+/m1/s1 Key: OVSQVDMCBVZWGM-QSOFNFLRBX
SMILES C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O)O
Properties
Chemical formula	C₂₁H₂₀O₁₂
Molar mass	464.379 g·mol⁻¹
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