Convenient Syntheses and Photophysical Properties of 1‐Thio‐ and 1‐Seleno‐1,3‐Butadiene Fluorophores in Rigid Dibenzobarrelene and Benzobarrelene Skeletons
Department of Chemistry, Faculty of Science and Graduate School of Science and Engineering, Saitama University, 255 Shimo‐okubo, Sakura‐ku, Saitama 338‐8570 (Japan), Fax: (+81)?48‐858‐3394