Abstract
4-Methoxybenzene-1-ONN-azoxyformamide (1), 4-methoxybenzene-1-azoformamide (2), 4-hydroxyben-zene-1-azoformamide (3) and 4-hydroxybenzene-1-ONN-azoxyformamide (4) were isolated from the fruiting bodies of Calvatia craniiformis and Lycoperdon hiemale, respectively. Compounds 1 and 4 showed radicle growth inhibitory activities against the lettuce seedlings by more than 50% at 5.0 x 10(-1) mM, suggesting that the azoxy moiety contributes to the inhibitory activity. The plant growth inhibitory activities of 1, 2 and 4 against the barnyard millet seedlings were also measured.
MeSH terms
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Azo Compounds / chemistry
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Azo Compounds / pharmacology
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Basidiomycota*
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Formamides / chemistry
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Formamides / pharmacology
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Fruiting Bodies, Fungal
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Humans
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Lactuca / drug effects*
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Lactuca / growth & development
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Phytotherapy*
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Plant Extracts / administration & dosage
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Plant Extracts / chemistry
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Plant Extracts / pharmacology*
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Plant Extracts / therapeutic use
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Plant Growth Regulators / chemistry
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Plant Growth Regulators / pharmacology*
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Seedlings / drug effects
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Seedlings / growth & development
Substances
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Azo Compounds
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Formamides
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Plant Extracts
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Plant Growth Regulators