1. Department of Organic Chemistry; Slovak University of Technology, Radlinského 9; 81237 Bratislava Slovakia
2. Department of Inorganic Chemistry; Slovak University of Technology; 81237 Bratislava Slovakia
3. UNILEHAVRE, FR 3038 CNRS, URCOM, 76600 Le Havre, France. EA 3221, INC3M CNRS-FR 3038, UFR ST, BP: 1123, 25 rue Philipe Lebon; Normandie Univ.; 76063 Le Havre Cedex France