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7a-O-methyldeguelol, a modified rotenoid with an open ring-C, from the roots of Derris trifoliata
(2005-03)
From the acetone extract of the roots of Derris trifoliata an isoflavonoid derivative, named 7a-O-methyldeguelol, a modified rotenoid with an open ring-C, representing a new sub-class of isoflavonoids (the sub-class is ...
Antiplasmodial and larvicidal flavonoids from Derris trifoliata
(2009)
From the dichloromethane-methanol (1:1) extract of the seed pods of Derris trifoliata, a new
flavanone derivative (S)-lupinifolin 4´-methyl ether was isolated. In addition, the known flavonoids lupinifolin
and rotenone ...
Two unusual rotenoid derivatives, 7a-O-methyl-12a-hydroxydeguelol and spiro-13-homo-13-oxaelliptone, from the seeds of Derris trifoliata
(2006-05)
The crude methanol extract of the seeds of Derris trifoliata showed potent and dose dependent larvicidal activity against the 2nd instar larvae of Aedes aegypti. From this extract two unusual rotenoid derivatives, a ...