Enaminonitriles in heterocyclic synthesis: new routes for the synthesis ofsome novel azolo[1,5-a]pyrimidine, pyrimido[1,2-a]benzimidazole, pyrido[1,2-a]benimdazole, pyrazolo[3,4-b]pyridine, pyrazole and pyrimidine derivatives

The synthesis of several new azolo[1,5-a]pyrimidines, pyrimidol[1,2-a]benzi midazoles, pyrazolo[3,4-b]pyridines, pyrido[1,2-a]benzimidazoles, pyrazoles and pyrimidines is reported.