Abstract
cis-2-Imino-4,6,7,8-tetrahydrothieno[3,4-d]thiazole 5,5-dioxides were obtained by intramolecular cyclization of 4-isothioureido-2-thiolene 1,1-dioxide salts. The reaction of N-substituted thioureas with 4-bromo-2-thiolene 1,1-dioxide leads to 3-substituted cis-2-imino-4,6,7,8-tetrahydrothieno[3,4-d]thiazole 5,5-dioxides.
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See [1] for Communication 1.
Deceased.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 110–113, January, 1988.
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Bezuglyi, Y.V., Tukhar', A.A., Bezmenova, T.é. et al. Sulfur-containing derivatives of five-membered cyclic sulfones. 2. Intramolecular cyclization of isothioureidothiolene 1,1-dioxide salts. Chem Heterocycl Compd 24, 92–95 (1988). https://doi.org/10.1007/BF00475578
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DOI: https://doi.org/10.1007/BF00475578