The mansumbinanes: Octanordammaranes from the resin of Commiphora incisa
作者:Gordon J. Provan、Peter G. Waterman
DOI:10.1016/0031-9422(86)80027-9
日期:——
Abstract The resin of Commiphoraincisa (Burseraceae) has yielded three C22 compounds derived by loss of the C-17 side chain from a dammarane triterpene. They have been identified by spectral analysis and chemical modification as 4α,4β,8β,10β,14α-pentamethyl-5α-gon-16-en-3-one (mansumbinone), the corresponding 3-hydroxy compound (mansumbinol) and the derivative 3,4-seco-mansumbinoic acid in which the