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  • 1
    Electronic Resource
    Electronic Resource
    Japanese beetle (Coleoptera: Scarabaeidae) (1981)
    Springer
    Journal of chemical ecology 7 (1981), S. 1-7 
    Details
    ISSN: 1573-1561
    Keywords: Japanese beetle ; Popillia japonica ; Coleoptera ; Scarabaeidae ; sex attractant ; survey lure ; phenethyl propionate ; eugenol ; synergism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A combination of the synthetic sex attractant (R,Z)-5-(1-decenyl) dihydro-2(3H)-furanone with a 3∶7 mixture of phenethyl propionate (PEP) and eugenol (4-allyl-2-methoxphenol) caught significantly morePopillia japonica Newman than either the sex attractant or the mixture did alone. Also, the synthetic sex attractant captured significantly more males than the PEP-eugenol did during the period of heavy adult emergence of the beetles. The two lures were not significantly different in their attractancy to males about a week later and thereafter. A combination of PEP-eugenol and virgin females in the same trap late in the season also significantly increased beetle captures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988630
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesis of the sex pheromone of the Japanese beetle (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 473-485 
    Details
    ISSN: 1573-1561
    Keywords: Synthesis ; sex pheromone ; Japanese beetle ; Popillia japonica ; (Z)- and (E)-5-(1-decenyl)dihydro-2(3H)-furanone isomers ; enantiomers of (Z)-5-(1-decenyl)dihydro-2(3H)-furanone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The stereospecific synthesis of the sex pheromone produced by the female Japanese beetle (Popillia japonica Newman), (R,Z)-5-1-decenyl)-dihydro-2(3H)-furanone, is described. The pure syntheticR,Z form is a powerful attractant for males of the species in field bioassays and was competitive in attractiveness with live females, whereas the racemicZ isomer and theS,Z enantiomer were strong inhibitors of male response. The saturated analogs of both enantiomers were also synthesized stereospecifically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01402924
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Derivatives of cholesterol cinnamate: A comparison of the separations of geometrical isomers when used as gas chromatographic stationary phasesMention of a commercial or proprietary product does not constitute an endorsement by the USDA. (1983)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 6 (1983), S. 16-19 
    Details
    ISSN: 0935-6304
    Keywords: Capillary gas chromatography ; Liquid crystal stationary phases ; para-Substituted cholesterol cinnamate ; Geometrical isomers (insect pheromones) ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Four para-substituted cholesterol cinnamates were synthesized and evaluated for utility as gas chromatograph (GC) liquid crystal stationary phases. The capability of the phases to separate olefinic geometrical isomers was found to be dependent on the position of the olefinic bond. When unsaturation occurred at positions four carbons or greater from the terminal methyl of the compounds investigated, the relative ability of the phases to separate geometrical isomers was p-Cl 〉 p-Me 〉 cholesterol cinnamate 〉 p-MeO derivative 〉 p-NO2. When unsaturation occurred at positions four carbons or less from the terminal methyl the relative ability of the para-derivatives of cholesterol cinnamate to separate geometrical isomers was reversed.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240060104
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    Paper (German National Licenses)
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