Extractives from guttiferae. Part IV. Isolation and structure of ugaxanthone and mbarraxanthone from Symphonia globulifera L.
- 1 January 1966
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- p. 2265-2269
- https://doi.org/10.1039/j39660002265
Abstract
Two xanthones isolated from Symphonia globulifera L. have been named ugaxanthone and mbarraxanthone and shown to be 4-(3,3-dimethylallyl)-1,3,5,6-tetrahydroxyxanthone(Ia) and 4-(3,3-dimethylallyl)-1,3,7-trihydroxyxanthone (IVa). The synthesis of mbarraxanthone dimethyl ether (IVb) is reported.Keywords
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