1. Laboratory of Structural Organic Chemistry, Department of Chemistry, Faculty of Sciences of Tunis; Tunis El-Manar University; El Manar I 2092 Tunis Tunisia
2. Department of Chemistry; College of Sciences, Qassim University; Buraida Qassim Saudi Arabia
3. Preparatory Institute for Engineering Studies of Tunis; Tunis University, Montfleury; Tunis Tunisia