1. Department of Chemistry Applied Organic Chemistry Laboratory, Bioorganic Chemistry Group University of Badji Mokhtar-Annaba, Box 12 23000 Annaba Algeria
2. National Higher School of Mining and Metallurgy Amar Laskri Annaba Algeria
3. University of Limoges PEIRENE Laboratory SylvaLim Group 123 Avenue Albert Thomas Limoges cedex 87060 Limoges France