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Triterpene saponins are important bioactive constituents with an enormous variety in structure widely distributed in many plants… Expand A series of gypsogenin (1) derivatives (1a-i) was synthesized in good yields, and the derivatives' structures were established… Expand Phytochemical investigation of the n-BuOH extract of the rhizomes of Anemone rivularis var. flore-minore led to the isolation of… Expand Eleven triterpenoid saponins were isolated from the roots of Gypsophila trichotoma Wender. (G. trichotoma Wender. var. trichotoma… Expand A bioassay-guided phytochemical analysis of the triterpene saponins from under ground parts of Gypsophila arrostii var. nebulosa… Expand Isolation and characterization of plant constituents responsible for insect resistance are of the utmost importance for better… Expand The chemical structure of triterpenoid saponins is quite complicated, especially the glucuronide oleanane-type triterpene… Expand The structure elucidation of a new saponin from Arenaria filicaulis (Boiss.), Caryophyllaceae, Snatzkein F (1), containing… Expand Six new oleanene glycosides were isolated from the MeOH extract of the aerial parts of Spergularia ramosa. They possess… Expand An investigation of Serjania salzmanniana for biologically active substances has led to the isolation of two novel saponins… Expand