Capillary gas chromatography-mass spectrometry of several macrocyclic trichothecenes

  • Rosen J
  • Rosen R
  • Hartman T
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Abstract

The mass spectra of verrucarin J and the trimethylsilyl derivatives of verrucarin A, roridins A and E, satratoxins G and H, and baccharin B5have, for the first time, been obtained after sample introduction by gas chromatography (GC). This has been accomplished by the use of a short-length fused-silica capillary column with on-column injection. The macrocyclic trichothecenes studied are separable by GC except for verrucarin J, derivatized verrucarin A and derivatized roridin E. However, these materials are distinguishable by selected ion monitoring. The fragmentation pathways for each of the compounds studied have been partially elucidated. Except for roridin E and satratoxin G, the macrocyclic trichothecenes give usably intense electron impact ions at high mass range for selected ion monitoring at 1-10 ng. © 1986.

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Authors

  • Joseph D. Rosen

  • Robert T. Rosen

  • Thomas G. Hartman

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