1. University of Carthage
2. Higher Institute of Sciences and Technology of Environment of Borj Cedria
3. , Tunisia
4. UMR6226: CNRS-Université de Rennes1
5. Institut des Sciences Chimiques
6. Organometallics : Materials and Catalysis
7. Centre for Catalysis and Green Chemistry
8. 35042 Rennes Cedex, France