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Two new norbisabolane sesquiterpenoid glycosides from Glochidion coccineum
Hai-Tao Xiao1, Hong-Ping He, Jiao Peng
1School of Pharmacy, Guiyang Medical University, Guiyang, Guizhou, China.
Journal of Asian Natural Products Research
|December 7, 2007
Abstract:
Two new norbisabolane sesquiterpenoid glycosides, glochicoccinosides A (1) and B (2), together with two known compounds, have been isolated from the rhizomes of Glochidion coccineum. Their structures were elucidated by the combination of 1D NMR, 2D NMR, and MS spectral analysis, as well as chemical evidence. Cytotoxic activities and the antioxidant effect of these compounds were evaluated, but none of them showed activity.
