1. Organic Chemistry Department, 6 Miklukho-Maklaya St.; RUDN University; 117198 Moscow Russian Federation
2. N.D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky prosp. 47 119991 Moscow Russia
3. Department of Chemistry; Universitat de les Illes Balears; Cra. de Valldemossa, km 7.5 07122 Palma de Mallorca Baleares Spain