1. Organic Synthesis Research Laboratory, Sumitomo Chemical Co., Ltd., 1-98, Kasugadenaka 3-chome, Konohana-ku, Osaka 554-8558, Japan
2. Petrochemicals Research Laboratory, Sumitomo Chemical Co., Ltd., 2-1, Kitasode, Sodegaura, Chiba 299-0295, Japan
3. Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan