Condensed heterocycles. 41. Mass spectrometric study of selenol(mercapto)aldimines of benzo[b]thiophene and their S,Se-alkyl derivatives

The production of imines of 3-selenol(mercapto)-2-benzo[b]thiophenaldehyde and 2-selenol(mercapto)-3-benzo[b]thiophenaldehyde and their S,Se-alkyl derivatives under electron impact was studied. The main distinctions of the decomposition of the molecular ions of selenium-containing compounds from their sulfur analogs, due to the greater strength of the C-S bond in comparison with the C-Se bond, were demonstrated. The different behavior of isomeric 3- and 2-mercaptoaldimines of benzo[b]thiophene was detected.For communication 40, see [1].Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1057–1061, August, 1984.