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Updated: Jun 18, 2026

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale
Published on: August 16, 2018
Tetranortriterpenoids from Chisocheton paniculatus.
Ming-Hua Yang1, Jun-Song Wang, Jian-Guang Luo
1Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China.
Seven new compounds, chisonimbolinins A-G, were isolated from Chisocheton paniculatus twigs. These natural products were analyzed for their cytotoxic effects against specific cancer cell lines.
Area of Science:
- Natural Product Chemistry
- Medicinal Chemistry
- Pharmacology
Background:
- Chisocheton paniculatus is a plant species known to produce bioactive compounds.
- Tetranortriterpenoids represent a class of natural products with diverse biological activities.
Purpose of the Study:
- To isolate and characterize novel tetranortriterpenoids from Chisocheton paniculatus.
- To evaluate the cytotoxic potential of the isolated compounds against human cancer cell lines.
Main Methods:
- Isolation of compounds using chromatographic techniques.
- Structure elucidation via extensive spectroscopic analyses (NMR, MS).
- Single-crystal X-ray diffraction for definitive structural confirmation of one compound.
- In vitro cytotoxic assays using HeLa and SMMC-7721 cell lines.
Main Results:
- Seven new tetranortriterpenoids, designated chisonimbolinins A-G, were successfully isolated.
- The chemical structures of compounds 1-7 were fully elucidated.
- The cytotoxic activity of compounds 1-7 was assessed against HeLa and SMMC-7721 tumor cells.
Conclusions:
- The study successfully identified and characterized seven new tetranortriterpenoids from Chisocheton paniculatus.
- The isolated compounds represent potential leads for further investigation into anticancer drug development.
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