Affiliation: | 1. Organic Chemistry, Chemnitz University of Technology, Strasse der Nationen 62, 09111 Chemnitz (Germany), Fax: (+49)?371‐531‐21229;2. Institute of Organic Chemistry, University of Münster, Corrensstrasse 40, 48149 Münster (Germany);3. Inorganic Chemistry, Chemnitz University of Technology, Strasse der Nationen 62, 09111 Chemnitz (Germany) |