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Updated: Aug 23, 2026

An Efficient and Rapid HPLC-QQQ-MS Method for the Quantitation of Tropane Alkaloids in Medicinal Plants
Published on: June 12, 2026
New alkaloids and a tetraflavonoid from Cephalotaxus wilsoniana
Li-Wen Wang1, Huey-Jen Su, Sheng-Zehn Yang
1School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan 807, Republic of China.
Abstract:
A new homoerythrina alkaloid, C-3-epi-wilsonione (1), a new tetraflavonoid, taiwanhomoflavone C (2), and a new stereoisomer of desmethylcephalotaxinone (3) have been isolated from the leaves and heartwood of Cephalotaxus wilsoniana, respectively. The structures were elucidated by spectroscopic methods. Compound 1 showed cytotoxic activity against a number of human cancer cell lines in vitro.
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