Event submissions
2,2-Dimethyl-5-((phenylamino)methylene)-1,3-dioxane-4,6-dione prepared by reaction of Meldrum’s acid with triethyl orthoformate and aniline, reacts with active methylene nitriles to afford 2-oxo-1,2-dihydropyridine-3-carboxylic acid derivatives useful as drug precursors or perspective ligands.