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
DOI:
https://doi.org/10.1007/1103Abstract
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.
Authors: L. V. Dyadyuchenko, V. D. Strelkov, and V. N. Zaplishnyi.
English Translation in Chemistry of Heterocyclic Compounds, 1999, 35 (12), pp 1437-1440
