pyrazines their history, natural occurrence of pyraznes and quinoxalines. Reactions with
electrophilic reagents like protonation, oxidation and halogenation, oxidizing agent,
nucleophilic reagent, reducing agent, radical reagents, Electrocyclic reaction, its ring
synthesis from the self condensation of 2-aminoketone and from 1, 2-dicarbonyl compound
and 1, 2-diamino compound. In this review article emphasis is given on the potential …