Condensation of 3-Aza-1, 5-Diketones with N-Nucleophiles

The reaction of substituted diphenacyl anilines with ammonium acetate under microwave irradiation afforded 1,3,5-triaryl-1,2-dihydropyrazines. In the present paper the use of microwave irradiation allows to improve the yields and expedite the reaction. Phenylhydrazine is used as nitrogen nucleophile. The reaction pathways of prepared compounds are discussed in detail in this paper.