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Three new saponins from the fresh rhizomes of Polygonatum kingianum
- Source :
- Chemicalpharmaceutical bulletin. 57(1)
- Publication Year :
- 2009
-
Abstract
- Further studies on the fresh rhizomes of Polygonatum kingianum led to the isolation of one new spirostanol saponin (25R)-kingianoside G (1), and two pairs mixture of 25R and 25S stereoisomeric spirostanol saponins (25R, S)-pratioside D1 (2a, 2b) and (25R, S)-kingianoside A (3a, 3b), among them 2b and 3b were new spirostanol saponins, together with another two known compounds, disporopsin (4) and daucosterol (5). The structures of the new saponins were determined by detailed analysis of their 1D and 2D NMR spectra, and chemical evidences.
- Subjects :
- chemistry.chemical_classification
Magnetic Resonance Spectroscopy
Traditional medicine
Molecular Structure
Chemical structure
Plant composition
Polygonatum
Saponin
Stereoisomerism
General Chemistry
General Medicine
Saponins
Daucosterol
Rhizome
chemistry.chemical_compound
chemistry
Disporopsin
Drug Discovery
Botany
Polygonatum kingianum
Subjects
Details
- ISSN :
- 00092363
- Volume :
- 57
- Issue :
- 1
- Database :
- OpenAIRE
- Journal :
- Chemicalpharmaceutical bulletin
- Accession number :
- edsair.doi.dedup.....bc3f6b3c94174af290d6cff5983deef4