1. Department of Fundamental Chemistry Institute of Chemistry University of São Paulo Av. Prof. Lineu Prestes, 748 05508-000 São Paulo SP Brazil
2. Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB) UMR CNRS 6302 Université Bourgogne Franche-Comté 9 Avenue Alain Savary Dijon Cedex 21078 France
3. Institute of Chemistry Federal University of Goias Av. Esperança Goiania GO 74690-900 Brazil