Abstract
Peaks of [M — NO]+ and [M — NO2]+ ions are characteristic for the mass spectra of nitroindolizines, whereas peaks of ions of the indole type, viz., [M — HCN]+ and [M- H,- HCN]+ (for alkylindoles), are not characteristic. In the mass spectra of nitroindoles the latter ions give more intense peaks, while the loss of a nitro group or its rearrangement is a considerably less significant process. When a dialkylamino group is introduced in the nitroindolizine molecule, the primary processes in the fragmentation of such compounds are due to fragmentation of the alkylamino group.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 765–768, June, 1982.
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Terent'ev, P.B., Solov'ev, O.A., Khmel'nitskii, R.A. et al. Mass-spectrometric behavior of isomeric nitro- and nitroaminoindolizines and indoles. Chem Heterocycl Compd 18, 578–580 (1982). https://doi.org/10.1007/BF00506146
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DOI: https://doi.org/10.1007/BF00506146