Hideto Ito, Yukari Mitamura, Yasutomo Segawa and Kenichiro Itami

Angew. Chem. Int. Ed., 2015, 54, 159-163. DOI: 10.1002/anie.201409389

Onion Rings

Cyclo-1,4-phenylene-2′,5′-thienylenes (CPTs) have been synthesized as the first example of a thiophene-based, radially π-conjugated system. X-ray crystal structures, UV-vis absorption and emission spectra, and theoretical studies revealed the unique structural and photophysical properties of CPTs based on their radial, cyclic π-conjugation.