Abstract The unstable and hitherto unknown 2-azanorbornadiene 1, interesting example of imine-olefin homoconjugation, has been generated and spectroscopically characterized. Its instability is due to a retro-Diels-Alder reaction which generates cyclopentadiene and hydrogen cyanide.
![3-azabicyclo[2.2.1]hepta-2,5-diene Structure](https://image.chemsrc.com/caspic/321/83953-54-2.png)