Highly Stable Heptacene
I. Kaur, N. N. Stein, R. P. Kopreski, G. P. Miller*
University of New Hampshire, Durham, USA
25. Mai 2009 (online)
A highly stable heptacene derivative (9) has been synthesized. This compound is stabilized by the thioaryl substituents as well as by the o-dimethylphenyl groups. The only previous reports of functionalized heptacenes contained silylethynyl substituents on the central ring.