a
Organisch-Chemisches Institut, Universität Münster, Corrensstrasse 40, D-48149 Münster, Germany
E-mail: erker@uni-muenster.de
b
Bennett Department of Chemistry, West Virginia University, P.O. Box 6045, Morgantown, USA
c
Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, Japan
E-mail: norisuzuki@sophia.ac.jp