Abstract
Five new pregnane glycosides, taiwanosides A [1], B [2], C [3], D [4], and E [5], together with wilfosides C1N [6], C2N [7], M1N [8], and K1N [9], were isolated from the roots of Cynanchum taiwanianum. Their structures were determined on the basis of spectroscopic and chemical evidence.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Acetylation
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Carbohydrate Sequence
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Drugs, Chinese Herbal / analysis*
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Glycosides / analysis*
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Hydrolysis
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Magnetic Resonance Spectroscopy
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Molecular Sequence Data
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Plant Extracts / analysis
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Plant Roots / chemistry
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Taiwan
Substances
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Drugs, Chinese Herbal
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Glycosides
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Plant Extracts