Abstract The reaction of 5′-[(2-naphthylamino) methyl]-2′-hydroxy [1, 1′: 3′, 1 ″] terphenyl with paraformaldehyde and 1, 3-cyclohexanedione, methyl 2, 2-dimethyl-4, 6- dioxocyclohexanecarboxylate, dimedone, furan-2, 4 (3 H, 5 H)-dione, indan-1, 3-dione led to the formation of spiro derivatives of azaphenanthrene.
