1. Department of Chemistry, School
of Science and Technology, and Research Center for Environment Friendly
Polymers, Kwansei Gakuin University, Gakuen
2-1, Sanda, Hyogo 669-1337, Japan
2. Department of Chemistry, School
of Science and Engineering, Kinki University, 3-4-1 Kowakae, Higashiosaka City, Osaka 577-8502, Japan
3. RIKEN, 519-1399
Aramaki-Aoba, Aoba-ku, Sendai, Miyagi 980-0845, Japan