5.7- dihydroxy-4 - isoflavone

Isoflavones are derivatives of the parent compound isoflavone (3-phenylc,hromone 3-phenylbenzopyran-4-one). The dietary isoflavone phytoestrogens (notably from soya bean) that bind to the oestrogen receptor are the best known, namely daidzein (7,4 -dihydroxy-isoflavone), genistein (5,7,4 -trihydroxyisoflavone) and glycitein (7-hydroxy-6-methoxy-isoflavone) and their respective pro-phytoestrogen 7-0-glucoside precursors daidzin,... [Pg.31]

Dihydroxy-isoflavone) europaeus (Fabaceae) 7-0-glucoside EST-R, GABAA-R, lipase,... [Pg.155]

Sesamex [51-14-9] (Sesoxane) (30) is a synergist oflow toxicity, acute oral LD q (rat) = 2000 2270 mg/kg, for pyrethrins and allethrin. 6,7-Dihydroxy 4-methylcoumarin has been offered as an antioxidant for phenoHcs and polymers, and as an anthelmintic. 2,4,5-Trihydroxybutyrophenone has been available as an antioxidant and light stabilizer for polyolefins, waxes, and foods. Isoflavones, eg (31), have been patented as components of antioxidant compositions for foods and cosmetics (qv) (97). [Pg.381]

These data established the methoxy group at 4 and the structure of xenognosin B as 2 This sample also proved to be identical by NMR, MS, and biological activity to a synthetic sample of 2, 7-dihydroxy-4 -methoxy isoflavone (generously provided by Professor Paul Dewick, University of Nottingham, U.K.). [Pg.60]

Dihydroxy-5"-(l-methyletlienyl)-4",5"-diliydrofurano[2",3" 7,6]isoflavone 4 -Dihydroxy-6",6"-dimethylpyrano[2",3" 7,6]isoflavone 4 -Dihydroxy-6",6"-dimethylpyrano[2",3" 7,8]isoflavone 7-Dihydroxy-6",6"-dimethylpyrano[2",3" 4, 3 ]isoflavone 2 -Dihydroxy-6",6"-dimethylpyrano(2",3" 4, 3 )isoflavone, 2 -Dihydroxy-6",6"-dimethylpyrano[2",3" 4, 5 ]isoflavone, 2 -Dihydroxy-6",6"-dimethylpyrano[2",3" 4, 3 ]isoflavone 4 -Methoxy-4 -prenyloxyisoflavone -Methoxy-7-prenyloxyisoflavone 4 -Dihydroxy-6",6"-dimethyl-4",5"-dihydropyrano[2" 4 -Dihydroxy-6",6"-dimethyl-4",5"-dihydropyrano[2" 7,4 -Trihydroxy-3 -prenylisoflavone 7,4 -Trihydroxy-5-(l, 1-dime thyl-2-propenyl)isoflavone 7,4 -T rihydroxy-6-prenylisoflavone, 7,4 -Trihydroxy-8-(l,l-dimethylprop-2-enyl)isoflavone, 7,4 -Trihydroxy-8-prenylisoflavone, 2, 4 -Trihydroxy-3 -prenylisoflavone... [Pg.1146]

Dihydroxy-6",6"-dimethyl-4",5"-dihydropyrano[2",3" 4, 3 ]isoflavone -Methoxy-6,7 4, 5 -bis(methylenedioxy)isoflavone -Methoxy-6,7 3, 4 -bis(methylenedioxy)isoflavone, 7,8-Trimethoxy-3, 4 -methylenedioxyisoflavone -Hydroxy-5,4 -dimethoxy-6,7-methylenedioxyisoflavone -Hydroxy-5,5 -dimethoxy-6,7-methylenedioxyisoflavone -Hydroxy-3, 5 -dimethoxy-6,7-methylenedioxyisoflavone -Hydroxy-5,3 -dimethoxy-6,7-methylenedioxyisoflavone Hydroxy-3, 4 -dimethoxy-6,7-methylenedioxyisoflavone Hydroxy-7,3 -dimethoxy-4,5-methylenedioxyisoflavone... [Pg.1146]

Dihydroxy-6"-hydroxymetliyl-6"-metliylpyrano[2",3" 7,6]isoflavone Erysubin B 352.34 C20H16O6 F283 ... [Pg.1148]

Dihydroxy-5 -methoxy-6",6"-dimetliylpyrano[2",3" 4, 3 ]isoflavone Piscisoflavone B 366.36 C21H1806 F176... [Pg.1150]

Dihydroxy-2 -methoxy-6,3 -diprenyl-6",6"-dimetliylpyrano[2",3" 7,8]isoflavone Euchrenone bl3 502.60 C31H3406 F175... [Pg.1158]

Dihydroxy-8-(2-hydroxy-3-methyl-3-butenyl)-4 -(l-(hydroxymethyl) pentacosyloxy)-6-prenylisoflavone Isoflavone glycosides Indicanin D 803.16 C51H7807 F184... [Pg.1158]

Dihydroxy-8-prenyl-6",6"-dimethylpyrano[2",3" 7,6]isoflavone 4 -0-glucoside Auriculatin 4 -0-glucoside 582.60 C31H34011 F183 <... [Pg.1162]

Lanceolarin biochanin-A 5,7-dihydroxy- 4 -methoxy- isoflavone Dalbergia lanceolaria tH... [Pg.141]

Biochanin A (= 5,7-Dihydroxy-4 -methoxyisoflavone Pratensol) (isoflavone) Butein ( = 2, 4, 3,4-Tetrahydroxychalcone) (chalcone)... [Pg.560]

Vavain (= 5,3 -Dihydroxy-7,4, 5 -trimethoxyisoflavone) (isoflavone) Vavain 3 -0-f3-D-glucoside (= 5,3 -Dihydroxy-7,4, 5 - Ceiba pentandra (kapok tree) (Bombacaceae) [bark] COX-1... [Pg.614]

Brevifolin carboxylic acid (phenolic ketone) Capillarisin (flavonoid) 2-Carbethoxy-5,7-dihydroxy-4 -methoxy-isoflavone (isoflavone) (+)-Catechin (= Catechinic acid Catechuic acid (+)-Cyanidanol (27 ,3i)-5,7,3, 4 -Tetrahydroxyflavan-3-ol) (flavan-3-ol)... [Pg.636]

Flavonoids l%-1.5% with liquiritin (4, 7-dihydroxy-flavaiione-7-O-glucosidc) as main compound, the corresponding chakoiie isoflavone (glabridin)... [Pg.308]

Isoflavanones differ from isoflavones in that the C ring is fully saturated. Only two of these compounds, homoferreirin (5,7-dihydroxy-2, 4 -dimethoxyisoflavanone) (41) and cicerin (5,7-dihydroxy-2 -methoxy-4, 5 -methylenedioxyisoflavanone) (42) have been positively identified in Cicer, and were shown to be induced products in seedlings of... [Pg.916]

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