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Triterpenes and xanthones from the stem bark of Garcinia tetralata
Yong-En Guo1, Li-Li Wang, Zhan-Lin Li
1Key Laboratory of Industrial Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, China. guoye@tust.edu.cn
Journal of Asian Natural Products Research
|May 3, 2011
Abstract:
A new compound, 3β,18,19β-trihydroxylupane, was isolated from Garcinia tetralata, along with five known compounds, garcinexanthone B, morolic acid acetate, toxyloxanthone A, 6,11-dihydroxy-2,2-dimethylpyrano[3,2-c]xanthen-7(2H)-one, and 1,4-dihydroxy-5,6-dimethoxy-xanthone. The structure of the new compound was established by extensive spectroscopic techniques.