Abstract
In an alkaline medium, 3,4-dihydropyridin-2(1H)-ones form 2,7-diazebicyclo[2.2.2]-octane-3,8-diones, which are thiolated to the corresponding dithiones. The alkylation of the last proceeds at the sulfur atoms with the formation of 2,7-diazabicyclo[2.2.2]octa-2,7-dienes.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 620–625, May, 1989.
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Kalme, Z.A., Liepin'sh, É.É., Pelcher, Y.É. et al. Synthesis and properties of 2,7-diazabicyclo[2.2.2]octane-3,8-diones and -3,8-dithiones. Chem Heterocycl Compd 25, 516–521 (1989). https://doi.org/10.1007/BF00482496
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DOI: https://doi.org/10.1007/BF00482496