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Updated: Jan 28, 2026

Biosynthesis of a Flavonol from a Flavanone by Establishing a One-pot Bienzymatic Cascade
Published on: August 14, 2019
Two new diprenylated flavanones from Derris laxiflora Benth
Hui-Chi Huang1, Shih-Chang Chien2, Ching-Chuan Kuo3
1Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung, Taiwan.
Researchers discovered two new diprenylated flavanones, derriflavanones B and C, from the whole plant of Derris laxiflora Benth. This study also identified 32 known compounds, expanding the phytochemical knowledge of this plant species.
Area of Science:
- Natural Product Chemistry
- Phytochemistry
- Organic Chemistry
Background:
- Derris laxiflora Benth. is a plant species with potential for novel compound discovery.
- Previous phytochemical investigations of Derris laxiflora have not been extensively documented.
- Flavanones and related compounds are known for diverse biological activities.
Purpose of the Study:
- To conduct a comprehensive phytochemical analysis of Derris laxiflora Benth.
- To isolate and characterize new and known chemical constituents from the plant.
- To contribute to the understanding of the chemical diversity within the Derris genus.
Main Methods:
- Extraction and isolation of compounds from the whole plant of Derris laxiflora Benth.
- Structure elucidation using spectroscopic techniques, including NMR, mass spectrometry, IR, and UV.
- Comparison of spectral data with existing literature for identification of known compounds.
Main Results:
- Isolation and identification of two new diprenylated flavanones, designated derriflavanones B and C.
- Identification of thirty-two known compounds: sixteen flavonoids, eleven aromatic compounds, and five chlorophylls.
- This marks the first reported isolation of these known compounds from Derris laxiflora.
Conclusions:
- The phytochemical investigation of Derris laxiflora Benth. has led to the discovery of novel flavanones.
- The study significantly expands the known chemical profile of Derris laxiflora, reporting 34 compounds in total.
- The findings provide a basis for further research into the biological activities and chemotaxonomic significance of these compounds.
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