1. Institute of Inorganic and Analytical Chemistry, Friedrich‐Schiller University, Humboldtstrasse 8, 07743 Jena, Germany
2. Institute of Integrated Natural Sciences, University Koblenz‐Landau, Universitätsstrasse 1, 560700 Koblenz, Germany, http://www.uni‐koblenz‐landau.de/koblenz/fb3/ifin/chemie/ag_organische‐chemie/