1. Department of Chemistry and Biochemistry, Florida State University, USA
2. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russian Federation
3. Lomonosov Moscow State University, Leninskie Gory 1 (3), Moscow, 119991, Russian Federation
4. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova St., 119991 Moscow, Russian Federation