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Antitubercular and Cytotoxic Chlorinated seco-Cyclohexenes from Uvaria alba
Allan Patrick G Macabeo1, Arianne G Letada1, Simon Budde2
1Laboratory for Organic Reactivity, Discovery and Synthesis (LORDS), Research Center for the Natural and Applied Sciences, University of Santo Tomas , 1015 Manila, Philippines.
Abstract:
Two new chlorine-containing polyoxygenated seco-cyclohexenes, albanols A (1) and B (2), along with the oxepinone metabolite grandiuvarone (3) were isolated from the endemic Philippine Annonaceae plant Uvaria alba. Both new compounds exhibited modest antitubercular activity. Compound 1 showed cytostatic activity (ranging from 1-50 μM) against HeLa cells and weak antiproliferative activity against HUVEC and K-562 cells with GI50 values of 106 and 81 μM, respectively.
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