1. Department of Chemistry and Bioscience, Kurashiki University of Science and the Arts, Tsurajima-cho, Kurashiki, Okayama 712-8505, Japan, Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima 739-8527, Japan, and Department of Chemistry and Materials Technology, Kyoto Institute of Technology, Matsugasaki, Kyoto 606-8585, Japan