Littordial F, a novel phloroglucinol meroterpenoid from the leaves of Psidium littorale
2019
Zhu, Hui-Lin | Hu, Yun-Wei | Qu, Wei | Zhang, Jie | Guo, Er-Yan | Jiang, Xue-Yang | Liu, Wenyuan | Feng, Feng | Xu, Jian
Littordial F (1), a novel meroterpenoid with an unique 6/8/9/4-tetracyclic nucleus, was isolated from the leaves of Psidium littorale. The structure of 1 was established by spectroscopic data, and its absolute configuration was confirmed by computational 13C NMR and optical rotation data. Compound 1 exhibited potential cytotoxic activities on A549, B16, and HepG-2 cell lines. A plausible biosynthetic pathway for littordial F was proposed.
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