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New diterpenes from Jatropha divaricata
R W Denton1, W W Harding, C I Anderson
1Department of Chemistry, University of the West Indies, Mona, Kingston 7, Jamaica.
Journal of Natural Products
|June 26, 2001
Abstract:
Extracts of the stems of Jatropha divaricata have yielded the two new diterpenes ent-3 beta,14 alpha-hydroxypimara-7,9(11),15-triene-12-one (3) and the rearranged pimarane ent-15(13-->8)abeo-8 beta(ethyl)pimarane (4), which appears to be a new skeletal type. The rare cleistanthane diterpenes spruceanol (1) and cleistanthol (2) were also obtained.