1. Department of Chemistry, Faculty of Integrated Arts and Sciences, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan, Analysis Technology Research Center, Sumitomo Electric Industries Ltd., 1-1-1, Koyakita, Itami, Hyogo, 664-0016, Japan, Department of Material Sciences, Faculty of Engineering, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan, and Institut für Organische Chemie, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany