Gas phase substitution reactions by radical cations. Part 3. Methylene transfer of the CC ring-opened oxirane radical cation to pyrazole and imidazole

@inproceedings{Koster1994GasPS,
  title={Gas phase substitution reactions by radical cations. Part 3. Methylene transfer of the CC ring-opened oxirane radical cation to pyrazole and imidazole},
  author={Chris G. de Koster and J. J. van Houte and Jan van Thuijl},
  year={1994}
}
Abstract In the chemical ionization source of a mass spectrometer the CC ring-opened oxirane radical cation transfers a methylene group to imidazole and pyrazole. The structures of the [M + M] ṡ+ reaction product ions and those of the ionized methylpyrazole and methylimidazole isomers have been established by collisionally induced dissociation (CID) spectrometry. The methylene transfer reaction of oxirane to pyrazole and imidazole yields 1-methylene-2 H -pyrazolium and 1-methylene-3 H… CONTINUE READING

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