期刊
NATURAL PRODUCT RESEARCH
卷 33, 期 17, 页码 2490-2497出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2018.1455040
关键词
Leonurus japonicus; labdane diterpenoids; ECD; anti-inflammatory activity
资金
- National Science and Technology Major Project 'Key New Drug Creation and Manufacturing Program' of the People's Republic of China [2013ZX09402203]
Two new labdane diterpenoids, Leojaponin E (1) and F (2), together with three known compounds were isolated from the dried herb of Leonurus japonicus Houtt., Lamiaceae. Their structures were determined based on extensive spectroscopic analyses. The absolute configurations of 1 and 2 were elucidated on the basis of experimental and calculated electronic circular dichroism spectra. In addition, compounds 1 and 2 exerted inhibition of LPS-induced PGE(2) production in a dose-dependent manner at concentrations ranging from 5 to 20 mu M. [GRAPHICS] .
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