Metal-Catalyzed Synthesis of Cyano Enaminediones from β-Dicarbonyl Compounds and Cyanogen. Identification of Traube's Isomers

Article abstract of DOI:10.1021/jo00198a021

Bis(2,4-pentanedionato)zinc(II) is found to be a mild, efficient, and simple to use catalyst for the additions of a variety of β-dicarbonyls to cyanogen in aprotic solvents.The catalytic system is very selective in the formation of multifunctional cyano e