139713-57-8Relevant articles and documents
Chlorotropic rearrangement of 3,5-dichloro-3-cyano-4-methylpyridine-2,6(1H)-dione in the medium of polar solvents. Synthesis of 5-chloro-3-cyano-6-hydroxy-4-methylpyridin-2-one
Dyadyuchenko,Strelkov,Zaplishnyi
, p. 1437 - 1440 (1999)
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. 1999 Kluwer Academic/Plenum Publishers.