Die Pharmazie 2000-Sep
Phytochemical study and cytotoxic activity of alkaloids from Uvaria chamae P. Beauv.
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概要
Phytochemical study of leaves of Uvaria chamae resulted in the isolation for the first time for the genus Uvaria of benzylisoquinoline alkaloids (+)-armepavine (1) and racem. O,O-dimethylcoclaurine (2). The aporphines nornantenine (3), nantenine (4) and corydine (7) are new for the species. The alkaloids were found to express cytotoxic activity against L 929 transformed cells. The highest activity was shown by 1, 3, and 5. At a concentration corresponding to their IC50 against L929 cells, they were nontoxic against mouse thymocytes.