3-(2,4-dihydroxyphenyl)-5,7-dihydroxychromen-4-one/2',4',5,7-Tetrahydroxyisoflavone/Isoflavone, 2',4',5,7-tetrahydroxy-/2'-HYDROXYGENISTEIN/4H-1-Benzopyran-4-one, 3-(2,4-dihydroxyphenyl)-5,7-dihydroxy-/5,7,2',4'-Tetrahydroxy-isoflavone/3-(2,4-Dihydroxyphenyl)-5,7-dihydroxy-4H-chromen-4-one
619.1±55.0 °C at 760 mmHg
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provides coniferyl ferulate(CAS#:1156-78-1) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of coniferyl ferulate are included as well.>> amp version: coniferyl ferulate
Biosynthesis of antifungal isoflavonoids in Lupinus albus. Enzymatic prenylation of genistein and 2'-hydroxygenistein.
Schroder G, Zahringer U, Heller W, Ebel J, Grisebach H.
Two novel isoflavonoid dimers presumably originating from 2′-hydroxygenistein, 5,7,4′-trihydroxycoumaranochroman-4-one-(3–>5″‘)-5″,7″,2″‘4″‘- tetrahydroxyisoflavone (1, lupinalbisone A) and 5,7,4’-trihydroxycoumaranochroman-4-one-(3-6″)-5″,7″,2″‘,4″‘-te trahydroxyisoflavone (2, lupinalbisone B) were isolated from the roots of Lupinus albus L., and their structures involving relative stereochemistry were elucidated by spectroscopic methods. Using horse radish peroxidase and 2′-hydroxygenistein (3) as the substrate revealed the formation of these dimers together with 5,7,4’-trihydroxycoumaronochromone (4, lupinalbin A). Dimerization of 3 caused a remarkable increase of antifungal activity.
A new class of biflavonoids: 2'-hydroxygenistein dimers from the roots of white lupin
Sakasai M1, Fukui H, Yamane H, Kyaw AN, Tahara S