Synthesis of azaindenes. The benzo[c]pyrazolo[1,2-a]cinnolinium cation, a novel heteroaromatic cation.
D055598:Chemical Phenomena; D002621:Chemistry; D002625:Chemistry, Organic; D006571:Heterocyclic Compounds; D055601:Organic Chemistry Phenomena; D011083:Polycyclic Compounds; D011720:Pyrazoles; D011724:Pyridazines
D006571:Heterocyclic Compounds; D011083:Polycyclic Compounds; D011720:Pyrazoles; D011724:Pyridazines