## Abstract Five new polycyclic __Daphniphyllum__ alkaloids, macropodumines F (**1**) and G (**2**), 17βoxoyuzurimine (**3**), and macropodumines H (**4**) and I (**5**), were isolated from the leaves of __D. macropodum__ Miq., collected in Sichuan Province, China. The structures and relative confi
Further Daphniphyllum Alkaloids with Insecticidal Activity from the Bark of Daphniphyllum macropodumMiq.
β Scribed by Zhen-Yu Li; Yu-Cheng Gu; Dianne Irwin; Jacqueline Sheridan; John Clough; Ping Chen; Shu-Ying Peng; Yi-Ming Yang; Yue-Wei Guo
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 209 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1612-1872
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## Abstract Three new __Daphniphyllum__ alkaloids, daphlongeranines CβE (**1**β**3**), along with 13 known ones, were isolated from the fruits of __Daphniphyllum longeracemosum.__ Their structures were elucidated on the basis of extensive spectroscopic analyses, especially 2DβNMR experiments.
A new Daphniphyllum alkaloid daphnicyclidin L (1), containing a rare cyclopentadienyl anion, which is stabilized as a zwitterion by an internal iminium counterion, was isolated from the stem barks of Daphniphyllum macropodum Miq., together with four known alkaloids: daphnicyclidin D (2), daphnicycli