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Sex pheromone of the pine sawfly Macrodiprion nemoralis (Hymenoptera : Diprionidae): Identification of (2S,3R,7R,9S)-3,7,9-trimethyl-2-tridecanol as the precursor for the active pheromone acetate

Författare:
Publiceringsår: 2000
Språk: Engelska
Sidor: 24-29
Publikation/Tidskrift/Serie: Naturwissenschaften
Volym: 87
Nummer: 1
Dokumenttyp: Artikel
Förlag: Springer-Verlag GmbH

Sammanfattning

The main component of the sex pheromone precursor in females of Macrodiprion nemoralis was identified as a threo-3,7,9-trimethyl-2-tridecanol isomer, approximately 800 pg per female, by gas chromatography-mass spectrometry. Comparison of mass spectrometric ion chromatograms showed that the natural compound in the female extract has the same retention time and mass spectrum as one of the two synthetic three peaks. The acetate of the synthetic 16-isomer mixture caught a large number of males in the field. confirming the structure of the active pheromone. Comparison of gas chromatograms of the natural female extract with the eight synthetic three stereoisomers showed that the pheromone is the (2S,3R,7R,9S)-stereoisomer of 3,7,9-trimethyl-2-tridecyl acetate.

Disputation

Nyckelord

  • Biology and Life Sciences

Övriga

Published
  • Chemical communication in sawflies
Yes
  • Pheromone Group
  • ISSN: 0028-1042
  • ISSN: 1432-1904

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