Abstract
The mass spectra of 16 methyl- and phenyl-substituted tetrahydro-4-thiopyrones that differ with respect to the position of the substituents in the ring and some of their deutero derivatives were studied. The principal pathways of dissociative ionization of these compounds are due to cleavage of the a bonds with respect to the heteroatom and the carbonyl group. Analytical features that make it possible to determine the position of the substituents in the tetrahydro-4-thiopyrone ring and distinguish the structural and spatial isomers in this series of compounds were found.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 619–626, May, 1981.
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Serbin, A.V., Zakharov, P.I., Blokhin, Y.I. et al. Mass-spectrometric study of substituted tetrahydro-4-thiopyrones. Chem Heterocycl Compd 17, 450–457 (1981). https://doi.org/10.1007/BF00505686
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DOI: https://doi.org/10.1007/BF00505686