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Reaction chromatography/mass spectrometry. 16. Chemical ionization mass spectra of certain N-trifluoroacetylamines

  • Physical Chemistry
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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Chemical ionization mass spectra (isobutane) of the positive ions of N-trifluoroacetylamines are characterized by intense peaks of molecular ions and also ions that are typical for the electron impact mass spectra.

  2. 2.

    With chemical ionization (reagent gas isobutane or helium) of N-trifluoroacetylamines, low-stability [M + F] anions are formed. Specific for the primary amines are the anions [M-H] and [M-alkyl]. For the derivatives of secondary amines, the anions [M-alkyl], [M-alkane], and [M-alkyl s-alkene]; for the derivatives of cyclic amines, the anions [M-H] and ions formed as a result of ring cleavage.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1526–1530, July, 1989.

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Zaikin, V.G., Ivanov, A.V., Kliger, G.A. et al. Reaction chromatography/mass spectrometry. 16. Chemical ionization mass spectra of certain N-trifluoroacetylamines. Russ Chem Bull 38, 1394–1398 (1989). https://doi.org/10.1007/BF00978425

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  • DOI: https://doi.org/10.1007/BF00978425

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