1. Department of Chemistry, Faculty of Engineering, Oita University, Oita 870-1131, Japan, Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan, Institute for Fundamental Research of Organic Chemistry (IFOC), Kyushu University, Fukuoka 812-8581, Japan, Department of Physics, Faculty of Science, Saitama University, Urawa, Saitama 338-8570, Japan, and Instituto de Quimica, Universidade de Sao Paulo, Sao Paulo 26.077, 05599-970, Brazil