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  • Title: Structure characterization and possible biogenesis of three new families of nortriterpenoids: schisanartane, schiartane, and 18-norschiartane.
    Author: Li RT, Xiao WL, Shen YH, Zhao QS, Sun HD.
    Journal: Chemistry; 2005 May 06; 11(10):2989-96. PubMed ID: 15761854.
    Abstract:
    Four new, highly oxygenated nortriterpenoids with unique schisanartane skeletons, micrandilactones D-G (1-4), have been isolated from the leaves and stems of Schisandra micrantha, and their structures have been elucidated on the basis of extensive spectral studies. The postulated biogenetic sequences of sixteen highly oxygenated nortriterpenoids and bisnortriterpenoids with new skeletons from three Schisandra species are discussed and have been compared from a chemotaxonomic standpoint.
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