Faculty of Chemistry (Organic Chemistry) and Centre for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstraße 7, 45141 Essen, Germany
Ivo Piantanida
Division of Organic Chemistry & Biochemistry, Ruđer Bošković Institute, PO Box 180, 10002 Zagreb, Croatia
Thomas Schrader
Faculty of Chemistry (Organic Chemistry) and Centre for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstraße 7, 45141 Essen, Germany