Khoma, Ruslan E.Mazepa, A. V.Shestaka, A. A.Ennan, Alim-Abdul A.Gelmboldt, V. O.Хома, Руслан Євгенійович2018-10-262018-10-262009Russian Journal of General Chemistryhttps://dspace.onu.edu.ua/handle/123456789/19288The reactions leading to formation of cyclic structures are not typical for amides, in distinct to their thio analogs that under the conditions of acid catalyzed hydrolysis are prone to cyclization processes with formation of N,S-containing heterocycles [1–3].enqueous solutionssulfur (IV) dioxideArticlehttps://doi.org/10.1134/S107036320906036X