... 3-Cyano-6-hydroxy-2-pyridones into 1007 3-Cyano-6-amino-2-pyridones Alan R. Katritzky* and Stanislaw Rachwal Center for Heterocyclic Chemistry, Department of Chemistry, University of ... Heterocyclic Compd., 14 (Supplement 3), 790 (1974 ... 23] A. Bax and MF Summers, J. Am ...