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Synthesis and properties of azoles and their derivatives. 23. Electron impact mass spectrometry of regio- and stereoisomeric diarylnitro-Δ2-isoxazolines

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Abstract

It was shown that the general paths of dissociation of molecular ions of 3-phenyl-4(5)-aryl-5(4) nitro-δ2-isoxazolines involve the primary elimination of the NO .2 , HNO2, and OCHNO2 particles, and also the formation of the C6H5CN+., C6H5 +, ions and substituted tropylium cations. The 3,5- and 3,4-diaryl isomers differ most sharply in the probability of formation of \(\left[ {{\text{RC}}_{\text{6}} {\text{H}}_{\text{4}} {\text{C}} \equiv \mathop {\text{O}}\limits^ + } \right]\) ions, the peaks of which are maximal in the first case. The mass spectra of cis- and trans-isomers in the 3,5-diarylisoxazoline series differ little quantitatively.

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Authors and Affiliations

  1. T.Kosciuszko Cracow Polytechnical Institute, 31-155, Cracow, Polish People's Republic

    A. Baranski & A. I. Mikaya

  2. A. V. Topchiev Institute of Petrochemical Synthesis, Academy of Sciences of the USSR, 117909, Moscow

    A. Baranski & A. I. Mikaya

Authors
  1. A. Baranski
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  2. A. I. Mikaya
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Additional information

For Communication 22, see [1].

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 88–94, January, 1990.

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Baranski, A., Mikaya, A.I. Synthesis and properties of azoles and their derivatives. 23. Electron impact mass spectrometry of regio- and stereoisomeric diarylnitro-Δ2-isoxazolines. Chem Heterocycl Compd 26, 75–80 (1990). https://doi.org/10.1007/BF00506854

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  • DOI: https://doi.org/10.1007/BF00506854

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