1. Department of Chemistry and Biochemistry University of Kitakyushu 1‐1 Hibikino Kitakyushu Fukuoka 808‐0135 Japan
2. Laboratory of Organic Chemistry and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM) Friedrich‐Schiller‐University Jena 07743 Jena Germany