1. Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse
40, D-48149 Münster, Germany
2. International
Graduate School of Chemistry, University of Münster, Wilhelm-Klemm-Strasse
10, D-48149 Münster, Germany
3. Department
of Chemistry, Advanced Materials Research Laboratory, Clemson University, 91 Technology Drive, Anderson, South Carolina 29625, United States