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  • sex pheromone  (5)
  • Springer  (5)
  • American Geophysical Union (AGU)
  • American Physical Society (APS)
  • Blackwell Science Ltd
  • 1980-1984  (5)
  • 1945-1949
Collection
Keywords
Publisher
  • Springer  (5)
  • American Geophysical Union (AGU)
  • American Physical Society (APS)
  • Blackwell Science Ltd
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Sex pheromone of the European grapevine moth,Lobesia botrana Schiff. (Lepidoptera: Tortricidae): Synthesis and effect of isomeric purity on biological activity (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 195-200 
    Details
    ISSN: 1573-1561
    Keywords: (E,Z)-7 ; 9-Dodecadien-1-yl acetate ; European grapevine moth ; Lobesia botrana ; Lepiadoptera ; Tortricidae ; sex pheromone ; purification ; biological activity ; (E,E)-7,9-dodecadien-1-yl acetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A short synthesis of (E, Z)-7,9-dodecadien-1-yl acetate from propargyl alcohol and 6-bromohexanol via acetylenic-allenic isomerization of the resulting bis-THP-1,9-non-2-yn-diol is described. The field test of several preparations showed that theE,E isomer does not interfere with the biological activity of the pheromone. It was found that the “crude” preparation has higher activity than purified pheromone or virgin females.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00984016
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  • 2
    Electronic Resource
    Electronic Resource
    Trimerization ofEarias insulana sex pheromone, (E,E)-10,12-Hexadecadienal, A phenomenon affecting trapping efficiency (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 421-428 
    Details
    ISSN: 1573-1561
    Keywords: Earias insulana ; spiny bollworm ; Lepidoptera ; Noctuidae ; sex pheromone ; (E,E)-10,12-hexadecadienal ; trimerization ; Chromatographic analysis ; nuclear magnetic resonance ; mass spectrometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The sex pheromone ofEarias insulana, (E,E)-10,12-hexadecadienal, may trimerize extensively to form a crystalline trioxane derivative. The structure of the trimer was deduced from its CI-MS and NMR spectra. Capillary GC analysis resulted in the thermal decomposition of the trimer to the monomer. This process could be studied on a 2-m packed column under specific conditions. A convenient separation between the pheromone and its trimer was achieved by TLC. The trimer was inactive in the field, and it has a harmful effect on the performance of the polyethylene dispenser. Material which contains large amounts of the trimer is unsuitable for field use, even if applied at high dosage. The pheromone should be analyzed by NMR or TLC in addition to GC in order to detect the presence of its trimer. The trimerization process is catalyzed by acid which should therefore be completely eliminated from the storing vessels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988089
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  • 3
    Electronic Resource
    Electronic Resource
    Sex pheromone of Egyptian cotton leafworm (Spodoptera littoralis) (1980)
    Springer
    Journal of chemical ecology 6 (1980), S. 875-881 
    Details
    ISSN: 1573-1561
    Keywords: (Z,E)-9,11-Tetradecadienyl acetate ; prodlure ; Egyptian cotton leafworm ; Spodoptera littoralis ; photoisomerization ; sex pheromone ; mass trapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Samples of pheromone carriers, after use for 4–5 weeks in traps in the field, were analyzed. Partial isomerization of prodlure, (Z,E)-9,11-tetradecadienyl acetate (TDDA), the main component of the sex pheromone of femaleSpodoptera littoralis, took place. All three other possible isomers were formed to yield a mixture of ∼50% (Z,E)-9,11 -TDDA, ∼30% (E,E)-9,11-, ∼13% (E,Z)-9,11-, and ∼7% (Z,Z)-9,11 isomer. The process was found to be photochemically induced; none of these isomers was found under heating alone. Most of the pheromone, however, decomposed under field conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990471
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  • 4
    Electronic Resource
    Electronic Resource
    Sex pheromone of European grapevine moth (Lobesia botrana) its chemical transformations in sunlight and heat (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 973-980 
    Details
    ISSN: 1573-1561
    Keywords: (E, Z)-7,9-Dodecadien-1-yl acetate ; European grapevine moth ; Lobesia botrana ; Lepidoptera ; Tortricidae ; sex pheromone ; photoisomerization ; conjugated diene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Photo- and radical isomerization of (E, Z)-7,9-dodecadien-1-yl acetate (DDA) leads to an equilibrium mixture of all four possible geometric isomers of 7,9-DDA in the ratio ofE,E, 69–76%;Z,E, 11–13%;E, Z, 12–15%; andZ, Z, 1–3%. Iodine catalysis of the isomerization takes place even in dark at room temperature and is probably a radical reaction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987663
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  • 5
    Electronic Resource
    Electronic Resource
    Stereoselective synthesis of (Z)-13-hexadecen-11-yn-1-yl acetate, the major component of the sex pheromone of the pine processionary moth (Thaumetopoea pityocampa) (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 863-867 
    Details
    ISSN: 1573-1561
    Keywords: (Z)-13-Hexadecen-11-yn-1-yl acetate ; pine processionary moth ; Thaumetopoeapityocampa ; Thaumetopoea wilkinsoni ; Lepidoptera ; Notodontidae ; sex pheromone ; synthesis ; biological activity ; ester
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A short and stereoselective synthesis of (Z)-13-hexadecen-1 1-yn-1-yl acetate is described. The main feature is a low-temperature Wittig reaction of a triphenylpropylphosphonium bromide with a long-chain alkylated propargyl aldehyde.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987810
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