1. Institute of Inorganic Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstr. 1, D-40225-Düsseldorf, Germany
2. Institute of Organic Chemistry, Faculty of Chemistry, Łodz University of Technology,, 90-924 Łódź, Poland
3. Research Group of the Hungarian Academy of Sciences at the Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
4. Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary