1. Laboratory of Heterocyclic Chemistry Natural Product and Reactivity/CHPNR
2. Department of Chemistry
3. Faculty of Science of Monastir
4. 5000 Monastir
5. Tunisia
6. Institut UTINAM – UMR CNRS 6213
7. Université de Franche-Comté
8. 25030 Besançon
9. France
10. Technische Universität Dortmund
11. 44221 Dortmund
12. Germany
13. Institute of Molecular Chemistry – UMR CNRS 6302
14. University of Bourgogne
15. F-21078 Dijon