期刊
ORGANIC LETTERS
卷 19, 期 17, 页码 4580-4583出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.7b02181
关键词
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资金
- National Natural Science Foundation of the P. R China [21532007, U1302222]
- Personalized Medicines-Molecular Signature-based Drug Discovery and Development, Strategic Priority Research Program of the Chinese Academy of Sciences [XDA12020321]
Phainanolide A (1), a highly modified triterpenoid incorporating an unprecedented 6/9/6 heterotricyclic system and a highly oxygenated 5,5-spirocyclic ketal lactone, along with three new triterpenoids 2-4 were isolated from Phyllanthus hainanensis. Their structures were completely elucidated by a combination of diverse methods including 2D NMR, quantum chemical NMR and ECD calculations, and NMR data analogy with model compounds. Compounds 1-4 exhibited both remarkable cytotoxic and immunosuppressive activities.
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