Rings D-seco and B,D-seco tetranortriterpenoids from root bark of Entandrophragma angolense.


Investigation of the root bark extract of Entandrophragma angolense led to identification of two gedunin-type limonoids 5-hydroxy-7-deacetoxy-7-oxogedunin and 5,6-dehydro-7-deacetoxy-7-oxogedunin, and three methyl angolensate derivatives, 6-deacetoxydomesticulide D, 6-deacetoxydomesticulide D 21-methylether, and entangosin, together with known compounds… (More)
DOI: 10.1016/j.phytochem.2011.05.014


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