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Lancifodilactones B-E, new nortriterpenes from Schisandra lancifolia
Rong-Tao Li1, Wei Xiang, Sheng-Hong Li
1State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, People's Republic of China.
Journal of Natural Products
|January 24, 2004
Abstract:
Four new nortriterpenes, lancifodilactones B-E (1-4), were isolated from the leaves and stems of Schisandra lancifolia. Their structures were determined by analysis of 1D and 2D NMR spectroscopic data. These compounds are members of a new highly oxygenated cycloartane skeletal class with a biosynthetically modified eight-membered ring D.