1. Photochemistry Department (Heterocyclic Unit)National Research Centre Giza Egypt
2. Chemistry Department, Faculty of ScienceJazan University Jazan Saudi Arabia
3. Applied Organic Chemistry DepartmentNational Research Centre Giza Egypt
4. Department of Chemistry, Faculty of Science and ArtsTaibah University Ulla Saudi Arabia
5. Department of Chemistry, Faculty of ScienceMansoura University Mansoura Egypt