Two New Lanostane Triterpenoids from the Branches and Leaves of Polyalthia oblique
AbstractTwo new lanostane triterpenoids, 20-hydroxyeuphorbol-7-one (1) and 15α-hydroxyeuphorbol-7,11-dione (2), together with four known triterpenoids, euphorbol-7-one (3), friedelin (4), stigmast-4-ene-6α-ol-3-one (5), stigmasta-4-en-3,6-dione (6), 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. View Full-Text
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Wang, L.-K.; Zheng, C.-J.; Li, X.-B.; Chen, G.-Y.; Han, C.-R.; Chen, W.-H.; Song, X.-P. Two New Lanostane Triterpenoids from the Branches and Leaves of Polyalthia oblique. Molecules 2014, 19, 7621-7628.
Wang L-K, Zheng C-J, Li X-B, Chen G-Y, Han C-R, Chen W-H, Song X-P. Two New Lanostane Triterpenoids from the Branches and Leaves of Polyalthia oblique. Molecules. 2014; 19(6):7621-7628.Chicago/Turabian Style
Wang, Liu-Kai; Zheng, Cai-Juan; Li, Xiao-Bao; Chen, Guang-Ying; Han, Chang-Ri; Chen, Wen-Hao; Song, Xiao-Ping. 2014. "Two New Lanostane Triterpenoids from the Branches and Leaves of Polyalthia oblique." Molecules 19, no. 6: 7621-7628.