Abstract
The heating of derivatives of benzimidazole-2-thione and imidazolidine-2-thione with tetra(penta)fluorobenzoyl chlorides in toluene or pyridine gave rise to fluorocontaining derivatives of imidazo[2,1-b][1,3]benzothiazine. The latter were studied in reactions of nucleophilic substitution of fluorine for amino groups.
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Lipunova, G.N., Nosova, E.V., Mokrushina, G.A. et al. Fluorocontaining Heterocycles: IX. Derivatives of Imidazo[2,1-b][1,3]benzothiazine. Russian Journal of Organic Chemistry 39, 248–256 (2003). https://doi.org/10.1023/A:1025548505109
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DOI: https://doi.org/10.1023/A:1025548505109