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Secondary metabolites from the liverwort Ptilidium pulcherrimum

机译:地草的次生代谢产物

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摘要

A new trinortriterpenoid, diospyrolide acetate (1) and a new diphenylmethane derivative, pulcherrimumin (12), together with ten known pentacyclic triterpenoids (2-11) and four aromatic compounds (13-16), were isolated from the liverwort Ptilidium pulcherrimum. Their structures were established on the basis of extensive analysis of NMR data and by chemical methods. The cytotoxicity of compounds 1-16 was evaluated against the PC3, MDA-MB-231, and Hela cells lines. Ursane triterpenoids 8-10 exhibited moderate cytotoxicity against PC3 cells with IC_(50) values ranging from 10.1 to 39.7 μM.
机译:从百草枯草中分离出了一种新的三降三萜类化合物乙酸二吡咯酯(1)和一种新的二苯基甲烷衍生物pulcherrimumin(12),以及十种已知的五环三萜类化合物(2-11)和四种芳香族化合物(13-16)。它们的结构是在对NMR数据进行广泛分析和化学方法的基础上建立的。评价了化合物1-16对PC3,MDA-MB-231和Hela细胞系的细胞毒性。乌桑三萜8-10对PC3细胞具有中等细胞毒性,IC_(50)值范围为10.1至39.7μM。

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