New approach to the synthesis of 4-amino-2-pyridone and 1-phenyl-1,6-naphthyridinone derivatives based on substituted 3-and 5-formyl-2-pyridones
作者:N. Z. Tugusheva、L. M. Alekseeva、A. S. Shashkov、V. G. Granik
DOI:10.1007/s11172-006-0442-5
日期:2006.8
The reactions of 3-cyano-3(5)-formyl-2-oxo-4-(phenylamino)-1,2-dihydropyridines with CH acids were studied. The previously unknown fused 2-pyridone derivatives containing the 4-aminopyridine fragment were synthesized by the Knoevenagel reaction.