N,N-Dihydrotetraazaheptacene: A Synthetic Strategy towards Larger Acenes with Ambient Stability

Anthony L. Appleton, Stephen Barlow, Seth R. Marder, Kenneth I. Hardcastle & Uwe H. F. Bunz
We report the synthesis of the first N,N-dihydrotetraazaheptacene, which is solution-processible and stable as a solid under ambient conditions for over three years.