Rou-Yi Fang, Mei-Chin Lu, Chi-I Chang, Jue-Liang Hsu, Chih-I Liu, Huey-Jen Su, Yun-Sheng Lin
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A New Secondary Metabolite with Cytotoxicity from Formosa Tithonia diversifolia
A new germacrane sesquiterpene, tagitinin J (1), along with five previously reported known sesquiterpenes (2–6), and two caffeoylquinic acid derivatives (7 and 8) were isolated from the branches and leaves of Tithonia diversifolia (Hemsl.) A. Gray. The structures were determined by extensive spectroscopic analyses and by comparison with the spectral data of related known compounds. In addition, the in vitro cytotoxic activities of those compounds were evaluated against DLD-1, MOLT-4, LNCaP, and PC3 human tumor cell lines.
期刊介绍:
Chemistry of Natural Compounds publishes reviews and general articles about the structure of different classes of natural compounds, the chemical characteristics of botanical families, genus, and species, to establish the comparative laws and connection between physiological activity and the structure of substances.