Ionization and fragmentation of monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone.

@article{Grepl2008IonizationAF,
  title={Ionization and fragmentation of monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone.},
  author={Martin Dr. Grepl and Jana Roithov{\'a} and Pavel Hradil and Karel Lemr},
  journal={Rapid communications in mass spectrometry : RCM},
  year={2008},
  volume={22 18},
  pages={
          2905-14
        }
}
Electron ionization (EI), methane chemical ionization (CI), and collision-induced dissociation (CID) mass spectra of complete series of positional monochloro-isomers of 3-hydroxy-2-phenyl-4(1H)-quinolinone are evaluated and discussed. It is shown that in the CI experiments, in addition to the protonated precursor molecules, odd-electron molecular ions are formed and this affects the appearance of the CID spectra. The influence of different direct probes and other experimental parameters such as… CONTINUE READING
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