Further Studies on Heterocyclic Arene Imines. Preparation of 1a,9b-Dihydroazirino[f][1,7]phenanthroline, 3b,4a-Dihydroazirino-[2,3]phenaleno[1,9-g,h]quinoline and 1a,13b-Dihydrodibenzo [1,2:6,7] phenazino[1,2-b]azirine

1. Bazanov-Katz, N.
2. Zangi, R.
3. Blum, J.