Reaction of ß-enaminones and acetylene dicarboxylates: synthesis of substituted 1,2-dihydropyridinones.

Synthesis of substituted 1,2-dihydropyridinones is described in a one pot reaction of ß-enaminones and acetylene dicarboxylates where new C-C and C-N bonds were formed. The title compounds were obtained in moderate to good yields.