28-Noroleanane-derived spirocyclic triterpenoids and iridoid glucosides from the roots of Phlomoides umbrosa (Turcz.) Kamelin & Makhm with their cytotoxic effects.
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DOI: 10.1016/j.phytochem.2018.06.003
Abstract: Four undescribed 23,24-O-isopropylidene-19(18 → 17)-abeo-28-noroleanane-derived spirocyclic triterpenoids and an undescribed 28-noroleanane-derived spirocyclic triterpenoid, together with five known 28-noroleanane-derived spirocyclic triterpenoids, were isolated and identified. In addition, three undescribed iridoid glucosides and four known ones were also identified.… read more here.
Keywords: glucosides roots; triterpenoids iridoid; noroleanane derived; spirocyclic triterpenoids ... See more keywords