Abstract
Four new pregnane glycosides, named marstenacissides A (1), B (2), C (3), and D (4), have been isolated from the stems of Marsdenia tenacissima. Their structures were established on the basis of chemical and spectral methods.
MeSH terms
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Glycosides / chemistry
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Glycosides / isolation & purification*
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Magnetic Resonance Spectroscopy
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Marsdenia / chemistry*
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Plant Stems / chemistry*
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Pregnanes / chemistry*
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Spectrometry, Mass, Fast Atom Bombardment