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  • Title: New eremophilane-type sesquiterpenes from Ligularia hodgsonii.
    Author: Xu JQ, Li YS, Li YM, Jiang SH, Tan CH, Zhu DY.
    Journal: Planta Med; 2006 May; 72(6):567-9. PubMed ID: 16773543.
    Abstract:
    Four new eremophilanlides (1- 4) together with a known sesquiterpene were isolated from the roots and rhizomes of Ligularia hodgsonii. The structures of these new compounds were established as 6beta-(2'-methylbutanoyloxy)-10beta-acetoxy-3 beta, 8beta-dihydroxyeremophil-7(11)-en-8,12-olide (1), 6beta,10 beta-dihydroxyeremophil-7(11)-en-8alpha,12-olide (2), 3beta-acetoxy-6,9-dien-8-oxoeremophil-12-nor-11-ketone (3), and 3beta-acetoxy-6alpha, 8alpha-dihydroxyeremophil-7(11), 9-dien-8,12-olide (4) by means of mass, IR and NMR spectroscopy.
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