A New Prenylated Flavanone from Derris trifoliata Lour.
AbstractA new flavanone, 4′,5,7-trihydroxy-6,8-di-(2-hydroxy-3-methylbut-3-enyl)- flavanone, was isolated from the aerial parts of Derris trifoliate, together with eleven known compounds: rotenone, tephrosin, 12a-hydroxyrotenone, deguelin, 6a,12a-dehydro-rotenone, dehydrodeguelin, 7a-O-methyldeguelol, 7a-O-methylelliptonol, 5,7,3',4'-tetra-hydroxy-6,8-diprenylisoflavone, daidzein and 4'-hydroxy-7-methoxyflavanone. 7a-O-Methylelliptonol was isolated for the first time from the genus Derris. Their structures were characterized on the basis of spectral data. Eight of the isolated compounds were found to be significantly toxic to brine shrimp (LC50 range 0.06–9.95 μg/mL). The new compound showed weak toxicity (LC50 = 211.31 μg/mL).
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Jiang, C.; Liu, S.; He, W.; Luo, X.; Zhang, S.; Xiao, Z.; Qiu, X.; Yin, H. A New Prenylated Flavanone from Derris trifoliata Lour.. Molecules 2012, 17, 657-663.
Jiang C, Liu S, He W, Luo X, Zhang S, Xiao Z, Qiu X, Yin H. A New Prenylated Flavanone from Derris trifoliata Lour.. Molecules. 2012; 17(1):657-663.Chicago/Turabian Style
Jiang, Cheng; Liu, Shengzi; He, Weihong; Luo, Xiongming; Zhang, Si; Xiao, Zhihui; Qiu, Ximin; Yin, Hao. 2012. "A New Prenylated Flavanone from Derris trifoliata Lour.." Molecules 17, no. 1: 657-663.