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Iridoid esters from Patrinia saniculaefolia.
Ren Bo An1, Byung Sun Min, Min Kyun Na
1College of Pharmacy, Chungnam National University, Daejeon, Korea.
Chemical & Pharmaceutical Bulletin
|May 9, 2003
Summary
Researchers discovered two novel iridoids, patridoid I and patridoid II, from Patrinia saniculaefolia. Their structures were confirmed using advanced spectroscopic techniques like 2D NMR and HR-FAB-MS.
Area of Science:
- Natural Product Chemistry
- Phytochemistry
- Organic Chemistry
Background:
- Patrinia saniculaefolia is a plant species within the Valerianaceae family.
- Iridoids are a class of monoterpenes found in various plants, often exhibiting biological activity.
Purpose of the Study:
- To isolate and characterize new chemical compounds from Patrinia saniculaefolia.
- To elucidate the structures of novel iridoids discovered in this plant species.
Main Methods:
- Phytochemical investigation of Patrinia saniculaefolia whole plant.
- Isolation of compounds using chromatographic techniques.
- Structure elucidation employing spectroscopic methods, including 2D NMR and HR-FAB-MS.
Main Results:
- Two new iridoids, designated patridoid I (1) and patridoid II (2), were successfully isolated.
- The known iridoid nardostachin (3) was also isolated.
- The chemical structures of the new compounds were definitively determined through comprehensive spectroscopic analysis.
Conclusions:
- Patrinia saniculaefolia is a source of novel iridoid compounds.
- The identified iridoids, patridoid I and patridoid II, represent new additions to the known chemical constituents of this plant.
- Advanced spectroscopic methods are crucial for the structural determination of complex natural products.