Abstract
A novel acetogenin, joolanin ( 1), along with eight known acetogenins, squamocin ( 2), desacetyluvaricin ( 3), chamuvarinin ( 4), tripoxyrollin ( 5), diepoxyrollin ( 6), dieporeticanin-1 ( 7), dieporeticanin-2 ( 8) and dieporeticenin ( 9) were isolated from the seeds of Uvaria chamae (Annonaceae). Compound 1, the first adjacent bis-tetrahydrofuranic ring acetogenin bearing a ketone group at C-5, shows significant cytotoxicity towards the KB 3 - 1 cell line (IC (50) = 0.4 nM).
MeSH terms
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4-Butyrolactone / analogs & derivatives*
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4-Butyrolactone / chemistry
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4-Butyrolactone / isolation & purification
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4-Butyrolactone / toxicity
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Acetogenins
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Antineoplastic Agents, Phytogenic / chemistry
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Antineoplastic Agents, Phytogenic / isolation & purification
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Antineoplastic Agents, Phytogenic / toxicity
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Cell Line, Tumor
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Fatty Alcohols / chemistry
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Fatty Alcohols / isolation & purification
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Fatty Alcohols / toxicity*
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Humans
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Lactones / chemistry
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Lactones / isolation & purification
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Lactones / toxicity*
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Molecular Conformation
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Nuclear Magnetic Resonance, Biomolecular
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Seeds / chemistry
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Uvaria / chemistry*
Substances
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Acetogenins
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Antineoplastic Agents, Phytogenic
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Fatty Alcohols
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Lactones
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joolanin
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4-Butyrolactone