[Studies on iridoid glycosides from Swertia angustifolia].
Five secoiridoid glycosides were isolated from Swertia angustifolia Buch. -Ham. ex D. Don. The structures of two new compounds, angustiamarin (I) and angustioside (II) with three known compounds sweroside (III), swertiamarin (IV) and epi-eustomoside (V) were elucidated by means of spectroscopic and chemical methods.
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Laboratory of Phytochemistry, Kunming Institute of Botany, Academia Sinica.
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D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D005960:Glucosides / Q000737:chemistry / Q000302:isolation & purification*; D039823:Iridoids; D011714:Pyrans / Q000737:chemistry / Q000302:isolation & purification*
D004365:Drugs, Chinese Herbal; D005960:Glucosides; D039823:Iridoids; D011714:Pyrans