Novel cytotoxic, polyprenylated heptacyclic xanthonoids from Indonesian Garcinia gaudichaudii (Guttiferae) |
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| Authors: | Xu Y J Yip S C Kosela S Fitri E Hana M Goh S H Sim K Y |
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| Affiliation: | Department of Chemistry, National University of Singapore, Kent Ridge, Singapore 119260. |
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| Abstract: | [reaction: see text] The structures of novel gaudichaudiic acids F-I (1-4), isolated from the bark of Indonesian Garcinia gaudichaudii, have been elucidated by detailed spectral analysis. Gaudichaudiic acid I (4) is probably derived from 1 as a result of allylic oxidation at C-24 and C-21, followed by aromatization. |
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