Identification and Assignment of the Absolute Configuration of Biologically Active Methyl‐Branched Ketones from Limnephilid Caddis Flies

@article{Bergmann2001IdentificationAA,
  title={Identification and Assignment of the Absolute Configuration of Biologically Active Methyl‐Branched Ketones from Limnephilid Caddis Flies},
  author={J. Bergmann and C. L{\"o}fstedt and V. D. Ivanov and W. Francke},
  journal={European Journal of Organic Chemistry},
  year={2001},
  volume={2001},
  pages={3175-3179}
}
Glands of the 4th and 5th abdominal sternite of the caddis flies Potamophylax latipennis, Potamophylax cingulatus, and Glyphotaelius pellucidus contain (S)-4-methyl-3-heptanone (4a), (4S,6S)-4,6-dimethyl-3-octanone (4b), and (4S,6S)-4,6-dimethyl-3-nonanone (4c). As shown by gas chromatography coupled with electrophysiological recordings, these ketones elicit a strong response in the insects' antennae. The structural assignment of the compounds was achieved on the basis of mass spectra… Expand
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