Abstract
Three unsaturated fatty acid isobutylamides, N-isobutyl-2E,4E,10E,12Z-tetradecatetraen-8-ynamide (1, new), N-isobutyl-2E,4E,12Z-tetradecatrien-8,10-diynamide (2), and N-isobutyl-2E,4E,12E-tetradecatrien-8,10-diynamide (3), were isolated from the leaves and flowers of Chrysanthemum morifolium. The structure of 1 was determined by spectral data interpretation. The concentration of 1 in chrysanthemum varieties was previously positively correlated with host-plant resistance against the western flower thrips, Frankliniella occidentalis.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Alkynes
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Amides / chemistry
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Amides / isolation & purification*
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Amides / pharmacology
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Animals
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Canada
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Chrysanthemum / chemistry*
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Chrysanthemum / parasitology*
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Fatty Acids, Unsaturated / chemistry
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Fatty Acids, Unsaturated / isolation & purification*
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Fatty Acids, Unsaturated / pharmacology
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Feeding Behavior
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Flowers / chemistry
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Host-Parasite Interactions
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Insect Control*
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Insecta / physiology*
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Molecular Structure
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Plant Leaves / chemistry
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Polyunsaturated Alkamides
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Stereoisomerism
Substances
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Alkynes
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Amides
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Fatty Acids, Unsaturated
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N-isobutyl-2E,4E,10E,12Z-tetradecatetraen-8-ynamide
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N-isobutyl-2E,4E,12E-tetradecatrien-8,10-diynamide
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N-isobutyl-2E,4E,12Z-tetradecatrien-8,10-diynamide
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Polyunsaturated Alkamides