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Potentially cytotoxic triterpenoids from the root bark of Siphonodon celastrineus Griff
Chokchai Niampoka1, Rutt Suttisri, Rapepol Bavovada
1Department of Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand.
Archives of Pharmacal Research
|June 25, 2005
Abstract:
A new oleanane-triterpene, 3beta-acetoxy-11alpha-benzoyloxy-13beta-hydroxyolean-12-one (1), was isolated along with a known quinone-methide triterpene, pristimerin (2), from the root bark of Siphonodon celastrineus Griff., a Thai medicinal plant of the family Celastraceae. Their structures were determined based on spectroscopic analysis.