Abstract The environmental contaminants 1-azapyrene 15, 2-azapyrene 13 and several other azapyrene derivatives were synthesized from a common intermediate, 2, 2a, 3, 4- tetrahydrocyclopenta [cd] phenalen-1-one oxime 6. The synthesis of 1-azapyrene 15 completes the series of azapyrenes.
![Naphth[2,1,8-def]isoquinoline Structure](https://image.chemsrc.com/caspic/258/193-98-6.png)
