Fisetin 3,7,3 ,4 -tetrahydroxyflavone

Fisetin (= 3,7,3, 4 - Tetrahydroxyflavone) (flavonol) Rhus cotinus, R. rhodantherma (Anacardiaceae), Acacia spp., Glycine max, Robinia pseudoacacia (Fabaceae) ACE (23% inhibition at 300 pM) [76]... 

Some bioactive flavonols include aldose reductase inhibitors (axillarin (5,7,3, 4 -tetrahy-droxy-6-methoxyflavone), 2,3-dihydroquercetin (taxifolin), 6-hydroxykaempferol (galetin), hyperin (quercetin 3-0-galactoside), isoquercetrin, morin (3,5,7,2, 4 -pentahydroxy-flavone), quercetin, quercitrin and rutin) anti-inflammatory 5-LOX inhibitors (fisetin (3,7,3, 4 -tetrahydroxyflavone), kaempferol, morin, myricetin, quercetin and rutin) a GOX inhibitor (galangin (3,5,7-trihydroxyflavone)) iodothyronine deiodinase inhibitors (fisetin, kaempferol and morin) NADH and succinate dehydrogenase inhibitors (fisetin and myricetin) and protein kinase inhibitors (fisetin, galangin, isorhamnetin, kaempferide... 

Also obtained by treatment of Fisetin (3,7,3, 4 -tetrahydroxyflavone)— m.p. 330° (d)—with boiling ethanolic potassium hydroxide [4885]. 

Only a few works have appeared in literature on the interaction of ESIPT molecules with proteins. In a comparative study on fluorescence of the three hy-droxyflavones 3-hydroxyflavone (3HF) (12), 3,3, 4, 7-tetrahydroxyflavone (fisetin) (21), and 4 -diethylamino-3-hydroxyflavone (DHF) (23), Sytnik et al. 

Eriosema compound B (prenylated xanthone) Fisetin (= 5-Deoxy-quercetin 3,7,3, 4 -Tetrahydroxyflavone) (flavonol)... 

Diphenylcarbinol. a-Phenylbenzenemethanol, 1445-1446, 1449 Epichlorohydrin. l-Chloro-2,3-epoxypropane, 1615-1616,1618 Eupalitin triethyl ether. 3,5,4 -Triethoxy-6,7-dimethoxyflavone, 1350 Eupatin triethyl ether. 3,5,3 -Triethoxy-6,7,4 -trimethoxyflavone, 1350 Eupatolitin tetraethyl ether. 3,5,3, 4 -Tetraethoxy-6,7-dimethoxyflavone, 1350 Eupatoretin diethyl ether. 3,3 -Diethoxy-5,6,7,4 -tetramethoxyflavone, 1348 Ferreirin trimethyl ether. 5,7,2, 4 -Tetramethoxyisoflavanone, 1517 Fisetin. 3,3, 4, 7-Tetrahydroxyflavone, 1372 Fisetin tetraethyl ether. 3,7,3, 4 -Tetraethoxyflavone, 1348 Fisetin tetramethyl ether. 3,7,3, 4 -Tetramethoxyflavone, 1324 Fisetol. 2,2, 4 -Trihydroxyacetophenone, 1372, 1385, 1691 Fisetol dimethyl ether. l-(2-Hydroxy-4-methoxyphenyl)-2-methoxyethanone, 1324-1325... 

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