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A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
Published on: October 4, 2019
Sesquiterpenlactone aus berkheya-arten.
F Bohlmann1, D Mohammadi, J Jakupovic
1Institut für Organische Chemie der Technischen Universität Berlin, Straße des 17. Juni 135, D-1000 Berlin 12.
Planta Medica
|April 1, 1984
Summary
Two new guaianolides were discovered from BERKHEYA CARLINOPSIS ssp. MAGALISMONTANA. BERKHEYA PAUCIFLORA yielded desacetyl laurenobiolide and a costic acid derivative, with structures confirmed spectroscopically.
Area of Science:
- Phytochemistry
- Natural Product Chemistry
- Organic Chemistry
Background:
- The genus Berkheya is known for its diverse secondary metabolites.
- Guaianolides are a class of sesquiterpenes with various biological activities.
- Previous studies have indicated the presence of bioactive compounds in Berkheya species.
Purpose of the Study:
- To isolate and characterize new natural products from BERKHEYA CARLINOPSIS ssp. MAGALISMONTANA and BERKHEYA PAUCIFLORA.
- To elucidate the chemical structures of the isolated compounds using spectroscopic techniques.
Main Methods:
- Extraction of aerial parts of BERKHEYA CARLINOPSIS ssp. MAGALISMONTANA and BERKHEYA PAUCIFLORA.
- Chromatographic separation techniques for isolation of compounds.
- Spectroscopic analysis, including NMR and Mass Spectrometry, for structure elucidation.
Main Results:
- Two new guaianolides, structurally related to subluteolide, were isolated from BERKHEYA CARLINOPSIS ssp. MAGALISMONTANA.
- Desacetyl laurenobiolide and a costic acid derivative were identified from BERKHEYA PAUCIFLORA.
- The structures of all isolated compounds were successfully elucidated through comprehensive spectroscopic data.
Conclusions:
- The phytochemical investigation of BERKHEYA CARLINOPSIS ssp. MAGALISMONTANA and BERKHEYA PAUCIFLORA led to the discovery of novel and known guaianolides.
- Spectroscopic methods are effective for the structural determination of complex natural products.
- These findings contribute to the understanding of the chemical diversity within the genus Berkheya.
