Abstract
It was established that the electrophilic quaternization of substituted 2-[2-cyclohexen-1-ylthio(seleno)]pyridines is a stereoselective process and proceeds as trans quaternization with the formation of 4a,10a-cis-4,4a-trans-1,2,3,4,4a,10a-hexahydrobenzothiazolo(selenazolo)[3,2-a]pyridinium salts.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1506–1514, November, 1988.
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Shestopalov, A.M., Nesterov, V.N., Sharanin, Y.A. et al. Electrophilic trans quaternization of substituted 2-[2-cyclohexen-1-ylthio(seleno)]pyridines to 4a,10-a-cis-4,4a-trans-l,2,3,4,4a,10a-hexahydrobenzothiazolo(selenazolo)[3,2-a]pyridinium salts. Chem Heterocycl Compd 24, 1248–1256 (1988). https://doi.org/10.1007/BF00633504
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DOI: https://doi.org/10.1007/BF00633504