A new 28-nor-oleanane triterpene, 28-nor-olean-2α, 3β-dihydroxy-14,17-diene-16-one with a rare cyclohexa-2,5-dienone moiety, together with three known triterpenes, viz.β-amyrin (2), 3α-O -trans -coumaroyl-betulinic acid (3), 3-acetyl-aleuritolic acid (4), were isolated from the twigs of Excoecaria agallocha L.. Their structures were determined by extensive spectroscopic data analysis and comparison with previous literatures (known compounds).
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