Abstract
Fragmentation pathways that are due to fragmentation of the oximine grouping and are typical for all of the oximes, and lead to [M-OH]+, [M-NHOH]+, and [M-C(R3)-NOH]+ ions are characteristic for the mass spectra of 3-acylindole oximes. In addition, the presence of a nucleophilic indole ring leads to a number of specific rearrangement processes, particularly to the Beckmann rearrangement.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 790–793, June, 1983.
The authors thank N. A. Klyuev for recording the high-resolution mass spectra.
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Terent'ev, P.B., Druzhinina, V.V. & Yurovskaya, M.A. Mass-spectrometric investigation of 3-acylindole oximes. Chem Heterocycl Compd 19, 635–638 (1983). https://doi.org/10.1007/BF00523075
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DOI: https://doi.org/10.1007/BF00523075