期刊
MOLECULES
卷 19, 期 6, 页码 7621-7628出版社
MDPI
DOI: 10.3390/molecules19067621
关键词
Polyalthia obliqua; triterpenoid; antibacterial activity
资金
- National Natural Science Foundation of China [81160391, 21362009, 81360478]
- Ministry of Science and Technology of China [International S & T cooperation Program of China (ISTCP)] [2014DFA40850]
Two new lanostane triterpenoids, 20-hydroxyeuphorbol-7-one 91) and 15 alpha-hydroxyeuphorbol-7,11-dione 92), together with four known triterpenoids, euphorbol-7-one 93), friedelin 94), stigmast-4-ene-6 alpha-ol-3-one 95), stigmasta-4-en-3,6-dione 96), were isolated from ethanol extract of the branches and leaves of Polyalthia obliqua. The structures of 1 and 2 were elucidated on the basis of extensive spectroscopic analysis and comparisons with related known compounds. Antibacterial activities of two new compounds and four known compounds were tested.
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