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A new compound from Rhododendren anthopogonosides maxim
Sheng-Jun Dai1, Ruo-Yun Chen, Pei-Cheng Zhang
1Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
Journal of Asian Natural Products Research
|August 10, 2005
Summary
A novel compound was isolated from Rhododendron anthopogonoides aerial parts. This study details its structure and identifies two known compounds, fraxin and lyoniside.
Area of Science:
- Phytochemistry
- Natural Products Chemistry
Background:
- Rhododendron species are a rich source of bioactive compounds.
- Traditional medicine utilizes Rhododendron anthopogonoides for various ailments.
Purpose of the Study:
- To isolate and characterize novel and known compounds from Rhododendron anthopogonoides.
- To elucidate the chemical structures using advanced spectroscopic techniques.
Main Methods:
- Isolation of compounds using chromatographic techniques.
- Structure determination via UV, IR, HR-FABMS, 1H, 13C, and 2D NMR spectroscopy.
Main Results:
- A new compound, (2R)-4-phenyl-2-O-[beta-D-xylopyranosyl(1-->6)-beta-D-glucopyranosyl]butane (1), was identified.
- Two known compounds, fraxin (2) and lyoniside (3), were also isolated and confirmed.
- Comprehensive spectral data confirmed the structures of all isolated compounds.
Conclusions:
- The chemical investigation of Rhododendron anthopogonoides yielded a new glycoside.
- This finding contributes to the understanding of the phytochemical profile of this plant species.
- Further research may explore the biological activities of the isolated compounds.