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Published on: May 5, 2023
[A new phloroglucinol compound from Dryopteris fragrans]
Chong-Chong Zhu1, Bing Peng1, Zu-Ping Zeng1
1Beijing Institute of Traditional Chinese Medicine, Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University Beijing 100010, China Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375) Beijing 100010, China.
Researchers isolated two phloroglucinol compounds from Dryopteris fragrans. One novel compound, dryofraginol, was identified alongside aspidinol B, expanding knowledge of plant-derived natural products.
Area of Science:
- Natural Product Chemistry
- Phytochemistry
- Organic Chemistry
Background:
- Dryopteris fragrans is a plant species known for its potential medicinal properties.
- Phloroglucinol compounds are a class of natural products with diverse biological activities.
- Isolation and characterization of novel compounds contribute to understanding plant chemical diversity.
Purpose of the Study:
- To isolate and identify phloroglucinol compounds from Dryopteris fragrans.
- To elucidate the chemical structures of isolated compounds using spectroscopic data.
- To discover and name new natural products from plant sources.
Main Methods:
- Extraction of Dryopteris fragrans using 95% ethanol.
- Purification using silica gel column chromatography, Sephadex LH-20, and medium pressure column chromatography.
- Structure elucidation via High-Performance Liquid Chromatography (HPLC) and comprehensive spectroscopic analysis.
Main Results:
- Two phloroglucinol compounds were successfully isolated and purified.
- Compound 1 was identified as a new phloroglucinol derivative, named dryofraginol (2',4',6'-trihydroxy-5'-methyl acetate-3'-methyl-1'-butyrophenone).
- Compound 2 was identified as aspidinol B.
Conclusions:
- The study successfully identified two phloroglucinol compounds from Dryopteris fragrans.
- A novel phloroglucinol compound, dryofraginol, was discovered and characterized.
- The findings contribute to the phytochemical knowledge of Dryopteris fragrans and the broader class of phloroglucinol compounds.

