The mass spectra of pseudo-azulenes containing both nitrogen- and sulfur-heteroatoms
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The fragmentation under electron impact of [1]benzothiopyrano[4,3-b]indoles and their thiophene analogs has been investigated. These pseudo-azulenes behaved in accordance with their aromatic structure and their fragmentation followed simple patterns, leading to hitherto unreported ions.
[1] N. P. Buu‐Hoï,et al. Mass spectrometry of benzo[a]- and benzo[c]acridines , 1965 .
[2] J. Koutecký. The calculation of the resonance energies of thiopyrylium and related compounds by a simple molecular orbital method , 1959 .
[3] V. Hanuš,et al. Note on the mass spectra of alkylthiophenes, and the structure of the ion C 5 H 5 S + , 1959 .