Synthesis of pyrazole encompassing 2-pyridone derivatives as antibacterial agents

A series of 6-amino-1-((1,3-diphenyl-1H-pyrazole-4-yl)methyleneamino)-4-(aryl)-2-oxo-1,2-dihydropyridine-3,5-dicarbonitriles (4a-t) have been prepared and screened for in vitro antibacterial activity.