1. Institute for Organic and Analytical Chemistry, University of Bremen, Leobener Straße 7, 28359 Bremen, Germany
2. MAPEX Center for Materials and Processes, University of Bremen, Bibliothekstraße 1, 28359 Bremen, Germany
3. Institute for Applied and Physical Chemistry, University of Bremen, Leobener Straße 5, 28359 Bremen, Germany
4. Institute of Inorganic Chemistry and Crystallography, University of Bremen, Leobener Straße 3 and 7, 28359 Bremen, Germany
5. Université Rennes, CNRS, ISCR, UMR 6226, Campus de Beaulieu, 263 Av. du Général Leclerc, 35042 Rennes France
6. Otto-Diels-Institute for Organic Chemistry, University of Kiel, Otto-Hahn-Platz 4, 24118 Kiel, Germany