Abstract
The mass spectra of 6-phenylimidazo[2,1-b]thiazole, thiazolo[3,2-a]benzimidazole, and a number of thiazole-ring-substituted derivatives were investigated. The fragmentation of both groups of compounds commences with cleavage of the bonds in the thiazole ring and leads to the appearance of nitrogen- and sulfur-containing fragments in the spectra. The common character of the mass spectrometric disintegration of the investigated compounds indicates that they have similar electronic structures. The mass number and position of a substituent in the thiazole ring can be determined on the basis of the mass numbers of a series of fragments.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 778–783, June, 1974.
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Anisimova, O.S., Sheinker, Y.N., Kochergin, P.M. et al. Mass spectra of derivatives of imidazo[2,1-b] thiazole and thiazolo[3,2-a]benzimidazole. Chem Heterocycl Compd 10, 674–678 (1974). https://doi.org/10.1007/BF00480922
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DOI: https://doi.org/10.1007/BF00480922