Tetraazaacenaphthene and tetraazaphenalene derivatives: A new class of hepatoprotectants: Part IV

The synthesis and hepatoprotective activity of imidazolidine (3a), hexahydropyrimidine (3b), imidazo[3,2-c]pyrimidine (5), tetraazaacenaphthene (4a-d) and tetraazaphenalene (4e) derivatives are described. Some of the screened compounds have shown a very significant activity.