Abstract
From aerial parts of the fern Pteris multifida Poir. (Polypodiaceae) two diterpenes, entkaurane-2 beta, 16 alpha-diol and ent-kaur-16-ene-2 beta, 15 alpha-diol, were isolated by repeated column chromatography using silica gel and silica gel impregnated with silver nitrate. The structures were confirmed by spectroscopic methods. Both compounds showed a moderate cytotoxicity to Ehrlich ascites tumour cells.
MeSH terms
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Animals
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Antineoplastic Agents / chemistry
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Antineoplastic Agents / isolation & purification*
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Antineoplastic Agents / toxicity
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Carcinoma, Ehrlich Tumor
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Cell Division
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Cell Survival / drug effects
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Diterpenes / chemistry
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Diterpenes / isolation & purification*
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Diterpenes / toxicity*
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Medicine, Chinese Traditional
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Mice
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Molecular Structure
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Plants, Medicinal*
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Tumor Cells, Cultured
Substances
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Antineoplastic Agents
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Diterpenes