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Applications of Liquid-Chromatography Tandem Mass Spectrometry in Natural Products Research: Tropane Alkaloids as a Case Study
Published on: March 8, 2024
Alkaloids from Corydalis bulbosa.
H G Kiryakov1, E Iskrenova, B Kuzmanov
1Department of Chemistry, High Medical Institute, Plovdiv, Bulgaria.
Planta Medica
|September 1, 1981
Summary
Researchers discovered a new compound, corydione, from Corydalis bulbosa. This study details the isolation and identification of corydione and other alkaloids from the plant.
Area of Science:
- Phytochemistry
- Natural Product Chemistry
- Pharmacognosy
Background:
- Corydalis bulbosa (L.) Dc (Papaveraceae) is a plant species known for its rich alkaloid content.
- Previous research has identified various alkaloids from this genus, suggesting potential for novel compound discovery.
Purpose of the Study:
- To isolate and characterize new and known alkaloids from the whole herb of Corydalis bulbosa.
- To elucidate the chemical structure of the newly identified compound, corydione.
Main Methods:
- Phytochemical investigation involving extraction and isolation techniques.
- Spectroscopic methods (e.g., NMR, MS) were employed for structural elucidation.
- Thin-layer chromatography (TLC) was used for detection of certain alkaloids.
Main Results:
- A new 4,5-dioxoaporphine alkaloid, named corydione, was isolated and characterized.
- Several known alkaloids were identified, including dehydronantenine, (-)-stylopine, (+)-bicuculline, (-)-adlumidine, (+)-nantenine, (+)-bulbocapnine, protopine, (-)-domesticine, (+)-corydine, predicentrine, oxonantenine, (+)-isoboldine, and nandazurine.
- Glaucine and thaliporphine were detected via TLC. An unidentified minor alkaloid (Cb-4) was also noted.
Conclusions:
- The study successfully isolated and identified a novel alkaloid, corydione, from Corydalis bulbosa.
- The findings expand the known phytochemical profile of Corydalis bulbosa, contributing to the understanding of its alkaloid constituents.
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