Transformation of 4-aryl(heteryl)-2,6-diamino-3,5-dicyano-4H-thiopyrans into substituted acrylonitriles, 1,4-dihydropyridines, 2,3,4,7-tetrahydrothiazolo[3,2-a]pyridine, and 4,7-dihydrothieno[2,3-b]pyridine |
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| Authors: | V D Dyachenko |
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| Institution: | (1) Taras Shevchenko Lugansk National Pedagogical University, Lugansk, 91011, Ukraine |
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| Abstract: | Cross-recyclization of 4-aryl(heteryl)-2,6-diamino-3,5-dicyano-4H-thiopyrans with α-bromoketones or alkyl halides formed substituted 3-aryl-2-(4-R-thiazol-2-yl)acrylonitriles, 2-alkylsulfanyl-1,4-dihydropyridines, 2,3,4,7-tetrahydrothiazolo3,2-a]pyridine, and 4,7-dihydrothieno2,3-b]pyridine. |
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