4.4 Article

Two new oleanane derivatives from the fruits of Leonurus japonicus and their cytotoxic activities

Journal

JOURNAL OF NATURAL MEDICINES
Volume 73, Issue 1, Pages 252-256

Publisher

SPRINGER JAPAN KK
DOI: 10.1007/s11418-018-1244-4

Keywords

Leonurus japonicus; Oleanane triterpenes; Cytotoxic activities; A549; HeLa

Funding

  1. NSFC-Jiangxi Province [20161BAB204179]
  2. Fund of Jiangxi provincial education office [GJJ150407]
  3. Fund of Post Doctoral in Jiangxi [06292023]

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Two new oleanane derivatives, leonuronins A and B (1 and 2), along with three known oleanane triterpenes (3-5) were isolated from the fruits of Leonurus japonicus. Their structures were elucidated on the basis of NMR, MS, IR and UV spectroscopic data. The new compounds were tested for cytotoxic activities against A549 and Hela cancer cell lines. Compounds 1 and 2 exhibited weak cytotoxicity with IC50 values ranging from 6.97 to 18.13M.

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