Thespesenone and dehydrooxoperezinone-6-methyl ether, new sesquiterpene quinones from Thespesia populnea.


Thespesia populnea grows as a small tree or large shrub that occurs throughout Polynesia. We report the isolation of 7-hydroxycadalene (6), thespesenone (7), and dehydrooxoperezinone-6-methyl ether (8) from its red heartwood. Compounds 7 and 8 are reported for the first time in nature. Several other sesquiterpene quinones were isolated including mansonone E… (More)


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