1. Zelinsky
Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, 119991, Russia
2. Institut
für Technische Chemie und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, D-52074 Aachen, Germany
3. Department
of Chemistry, Saint Petersburg State University, Stary Petergof, 198504, Russia