Pyridone formation is facilitated by the 5-aroyl sub-Unique structural features were ob- Peroxide-acetic acid oxidation of Infrared and ultraviolet absorption data for all of these comyield and converted to pyridones (11, 111, IV) by reaction with ammonia, amines and hydrazines. aryl nucleus has been established by degradative and spectral data. stitution. The S-aminopyridone I\'is converted to the pyridone by nitrous acid. served with the ...
