Abstract
Three known dammaranes, cabraleone, eichlerianic acid and shoreic acid, together with two new ones, aglinins A and B, were isolated from the bark of Aglaia lawii. A. tomentosa also contained dammarane triterpenes: the known, cabraleone, cabraleadiol 3-acetate, 3-epiocotillol, cabralealactone, cabralealactone 3-acetate and the new aglinins C and D. In addition, two new pregnane steroids, aglatomins A and B, were isolated from A. tomentosa along with the known cytotoxic cyclopentatetrahydrobenzofuran, rocaglaol. The structure of the new compounds was determined by spectral means, essentially 2D NMR experiments.
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