References
- Findlay , J. A. and Radics , L. 1972 . J. Chem. Soc. Perkin I , : 2963
- Knoevenagel , E. and Fries , A. 1998 . Chem. Ber. , 93 : 767 4-Hydroxy-6-methyl-2-pyridone was prepared according to the procedure of
- All compounds whose preparation is reported here were fully characterized by mass spectrometry, infrared, ultraviolet and nuclear magnetic resonance spectroscopy and showed spectral characteristics consistent with the assigned structures