A FACILE ONE-POT SYNTHESIS OF MODEL DIETHYL 6,6'-DIOXOTETRAHYDRO-5,5'-BI(1,2,4-TRIAZINE)-5,5'-DICARBOXYLATES

Diastereomeric, oxidative homo-coupling of ethyl 6-oxo-1,2,4-triazine-5-carboxylate is achieved in the absence of metals and radical trapper.