Additional Sesquiterpene Lactones from Ixeris sonchifolia

  • 발행 : 2002.10.01

초록

In our previous study, the leaves of Ixeris sonchifolia afforded two new and two known guaiane type sesquiterpene lactones by activity-guided fractionation. Now we report additional isolation of sesquiterpene lactones from the roots of Ixeris sanchi!a!ia. They are glucozaluzanin C and ixerin H. Ixerin H is germacranolide type sesquiterpene glucuside. Theil structures were determined by 1 D and 2D NMR spectroscopy. (omitted)

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