An improved method for the preparation of 6-sulfamoylsaccharin (3-oxo-2,3-dihydro-1,2-benzo-thiazole-6-sulfonamide 1,1-dioxide) has been developed and studies of its possible direct alkylation have been carried out. It was shown that alkylation occurs regioselectively at the isothiazoline ring nitrogen atom.
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This work was carried out with the financial support of the European Social Fund (No. 2009/0203/1DP/1.1.1.2.0/APIA/VIAA/023).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1865-1868, December, 2011.
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Ivanova, E.M., Simin, E.Y., Vozny, I.V. et al. Synthesis of 6-sulfamoylsaccharin and study of its reactivity in alkylation reactions. Chem Heterocycl Comp 47, 1561–1564 (2012). https://doi.org/10.1007/s10593-012-0948-8
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DOI: https://doi.org/10.1007/s10593-012-0948-8