Abstract:A new lupane-type triterpene, 2α,3β-dihydroxylupan-29-oic acid (1), and one new ceramide derivative: (2S*,2'R*,3S*,4R*,5R*,7'E,11E,12'E,20E)-N-[2'-hydroxyoctadeca-6,11-dienoyl]- -aminohexacosa-11,20-diene-1,3,4,5-tetrol (2) were isolated from the ethyl acetate fraction obtained from the methanol extract of the stem barks of Cassia arereh together with seven known compounds. Their structures were characterized using two-dimensional NMR, mass spectrometry, and compared with reported data. To date, this is the f… Show more
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