Mechanistic Studies of the Reaction of 4-Substituted 1,2,4-Triazoline-3,5-diones with β-Dicarbonyl Compounds

Article abstract of DOI:10.1021/jo01295a014

4-Substituted 1,2,4-triazoline-3,5-diones were found to add to the α position of β-diketones and β-diketo esters, yielding both 1:1 and 2:1 adducts.The 1:1 adducts showed a dramatic stabilization of the enolic tautomer when compared to the original β-dica