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Bolivianine, a New Sesterpene with an Unusual Skeleton from Hedyosmum angustifolium, and Its Isomer, Isobolivianine

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journal contribution
posted on 08.11.2007, 00:00 authored by Lucia Acebey, Michel Sauvain, Stephan Beck, Claude Moulis, Aberto Gimenez, Valérie Jullian
Bolivianine, a novel sesterpene with an unprecedented skeleton, has been isolated from the trunk bark of Hedyosmum angustifolium (Chloranthaceae), with isobolivianine, an isomer formed under acidic conditions. The structure and relative stereochemistry were elucidated on the basis of spectroscopic data. A hypothesis for biogenesis was made.