A new compound,3 hydroxy 1(10),3 guaiadiene 12,6 olide 2 one,was isolated from Ixeris sonchifolia (Bge.)Hance.This compound was identified by 1H NMR, 13 C NMR, 1H 1HCOSY,HMQC,HMBC,EI MS.
A new flavonoid,named luteolin 7 O β D glucuronide ethyl ester,was isolated from the whole plant of Ixeris sonchifolia (Bge.) Hance.Its structure was deduced and confirmed by the chemical method and spectroscopic ana...A new flavonoid,named luteolin 7 O β D glucuronide ethyl ester,was isolated from the whole plant of Ixeris sonchifolia (Bge.) Hance.Its structure was deduced and confirmed by the chemical method and spectroscopic analysis ( 1H NMR, 13 C NMR,HMQC,HMBC).展开更多
文摘A new flavonoid,named luteolin 7 O β D glucuronide ethyl ester,was isolated from the whole plant of Ixeris sonchifolia (Bge.) Hance.Its structure was deduced and confirmed by the chemical method and spectroscopic analysis ( 1H NMR, 13 C NMR,HMQC,HMBC).