Abstract
7-Thia-1,3-diazabicyclo[3.3.0]octane-2,4-diones and 7-thia-1,3-diazabicyclo[4.3.0]-nonane-2, 4-diones, as well as their thio analogs, were obtained by the reaction of (S)-1,3-thiazolidine-4-carboxylic and 1,4-tetrahydrothiazine-3-carboxylic acid esters with isocyanates and isothiocyanates. Intermediate reaction products, viz., heterocyclic derivatives of urea, were isolated. The three-dimensional structures of the 3-methyl-4-oxo-7-thia-1,3-diazabicyclo[3.3.0]octane-2-thione and 3-methyl-4-oxo-7-thia-1, 3-diazabicyclo[4.3.0]nonane-2-thione molecules were determined by x-ray diffraction analysis.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1327–1332, October, 1985.
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Eremeev, A.V., Nurdinov, R., Polyak, F.D. et al. Reaction of 1,3-thiazolidine-4-carboxylic and 1,4-tetrahydro-thiazine-3-carboxylic acid esters with isocyanates and isothiocyanates and structures of the reaction products. Chem Heterocycl Compd 21, 1086–1091 (1985). https://doi.org/10.1007/BF00515243
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DOI: https://doi.org/10.1007/BF00515243