1. Department of Chemistry and Chemical Biology, TU Dortmund University, Otto Hahn Straße 6, 44227 Dortmund, Germany
2. Department of Chemistry, Hannam University, 1646, Yuseong-daero, Yuseong-gu, Daejeon, 34054, Republic of Korea
3. Otto Diels Institute of Organic Chemistry, Christian-Albrechts University, Otto Hahn Platz 4, 24118 Kiel, Germany