L. V. Dyadyuchenko, V. Strelkov, V. N. Zaplishnyi
Dec 1, 1999
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Journal
Chemistry of Heterocyclic Compounds
Abstract
Isomeric conversion of 3,5-dichloro-3-cyano-4-methylpyridine-2,6(1H)-dione to 5,5-dichloro-3-cyano-4-methylpyridine-2,6(1H)-dione in polar solvents was shown. A new method for the synthesis of 5-chloro-3-cyano-6-hydroxy-4-methylpyridin-2-one was proposed.