Abstract
8-Aroyl-3,4-dihydro-1H-pyrrolo[2,1-c][1,4]oxazin-1,6,7-triones react with 2-aminobenzenethiol to give 3'-aroyl-4'-hydroxy-1'-(2-hydroxyethyl)spiro[benzo[b][1,4]thiazine-2,2'-pyrrole]-3,5'(1'H,4H)-diones.
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The work was financially supported by the Russian Foundation for Basic Research (project no. 19-33-90222) and by the Government of the Perm Region.
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Tret’yakov, N.A., Dmitriev, M. & Maslivets, A.N. Synthesis of Spiro[1,4-benzothiazine-2,2'-pyrroles] by the Reaction of Pyrrolo[2,1-c][1,4]oxazinetriones with 2-Aminobenzenethiol. Russ J Org Chem 56, 935–938 (2020). https://doi.org/10.1134/S1070428020050292
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DOI: https://doi.org/10.1134/S1070428020050292