1. Organophosphorus Department, Institutite of Organic Chemistry; NAS of Ukraine; Murmanska Str.5 Kyiv 02064 Ukraine
2. Mano Institute of Macromolecules; Federal University of Rio de Janeiro; Av. Horácio Macedo 2030, Centro de Tecnologia, Bl. J, Ilha do Fundão, CEP 21941-598 Rio de Janeiro, RJ Brazil
3. Department of Chemistry; University of Helsinki; A.I.Virtasen aukio 1, FI- 00014, The University of Helsinki Finland