Synthesis and structure determination of 2,3-diaryl-9,9-dioxo-1H-9-thia-1,4,4a,7,10-pentaazaphenanthrene-2-ols |
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Authors: | Jaros?aw S?awiński Aneta Pogorzelska Beata ?o?nowska Tomasz Laskowski Pawe? Sowiński |
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Institution: | 1. Department of Organic Chemistry, Medical University of Gdańsk, Al. Gen. J. Hallera 107, 80-416 Gdańsk, Poland;2. Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-213 Gdańsk, Poland |
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Abstract: | 3-Amino-1,1-dioxopyrido4,3-e]-1,4,2-dithiazine has been synthesized and applied to the synthesis of 3-amino-2-(4-thioxo-1,4-dihydropyridin-3-ylsulfonyl)guanidine. The reaction of the aminoguanidine with the appropriate 1,2-diarylethane-1,2-diones afforded 2,3-diaryl-9,9-dioxo-1H-9-thia-1,4,4a,7,10-pentaazaphenanthrene-2-ol derivatives. The structure of these compounds, which represent a novel heterocyclic ring system, was confirmed on the basis of elemental analysis and spectroscopic data including COSY, NOESY, ROESY, HSQC, and HMBC. |
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Keywords: | 4-Chloropyridine-3-sulfonamide 1 1-Dioxopyrido[4 3-e]-1 4 2-dithiazine Synthesis NMR studies |
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