1. Laboratory of Heterocyclic Chemistry, Natural Products and Reactivity/LCHPNR, Department of Chemistry, Faculty of Science; University of Monastir; 5000 Monastir Tunisia
2. Laboratoire des Maladies Transmissibles et des Substances Biologiquement Actives Faculté de Pharmacie; 5000 Monastir Tunisia
3. Institut UTINAM-UMR CNRS 6213; Université Bourgogne Franche-Comté; 16 Route de Gray 25030 Besançon France
4. Anorganische Chemie; Technische Universität Dortmund; Otto-Hahn-Strasse 6 44227 Dortmund Germany