Conclusions
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1.
IR and UV spectroscopy have been applied to demonstrate that 2-(alkylthiomethylene)-3, 3-dialkyl-1,3-oxazolidinium chlorides exist in the form of isomers with exocyclic double bonds, and with either an s-cis or gauche orientation of the alkylthio group relative to the double bond, and that the latter conformational orientation predominates.
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2.
The oxazolidinium ring does not participate in electronic transitions involving the π-electron system of the vinylthio group.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1097–1101, May, 1986.
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Mirskova, A.N., Seredkina, S.G., Panov, A.M. et al. Spectroscopic investigation of intramolecular interactions and conformational isomerism in 2-(Alkylthiomethylene)-3,3-dialkyl-1, 3-oxazolidinium chlorides. Russ Chem Bull 35, 994–997 (1986). https://doi.org/10.1007/BF00955365
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DOI: https://doi.org/10.1007/BF00955365