1. Department of Organic and Biomolecular ChemistryChemical Engineering InstituteUral Federal University 19 Mira Str., Yekaterinburg, K-2 620002 Russian Federation
2. I. Ya. Postovskiy Institute of Organic SynthesisUral Division of the Russian Academy of Sciences 22 S. Kovalevskoy Str., Yekaterinburg 620219 Russian Federation
3. Department of ChemistryVisva-Bharati (A Central University) Santiniketan 731235 India