Soluble oligorylenes (1a - 1d) derived from poly-peri-naphthalene (PPN) 1  together with a soluble, tert-butylated polynaphthylene 2a have been synthesized for the first time and thoroughly investigated. The main features are the extensive redox sequence from a tetracation to a trianion in the case of the quaterrylene 1c and the low energy gap of 1.56 eV for the alkylated pentarylene 1d. © 1991.
Koch, K. H., Fahnenstich, U., Baumgarten, M., & Müllen, K. (1991). Polynaphthylenes and oligorylenes, soluble electrophores and chromophores. Synthetic Metals, 42(1–2), 1619–1622. https://doi.org/10.1016/0379-6779(91)91911-S