Synthesis of Symmetrically and Unsymmetrically para-Functionalized p-Quaterphenylenes
Manuela Schieka, Katharina Al-Shamerya, Arne Lützen*b a University of Oldenburg, Institute of Pure and Applied Chemistry, P.O. Box 2503, 26111 Oldenburg, Germany b University of Bonn, Kekulé Institute of Organic Chemistry and Biochemistry, Gerhard-Domagk-Str. 1, 53121 Bonn, Germany Fax: +49(228)739608; e-Mail: arne.luetzen@uni-bonn.de;