1. Faculty of Science, Department of Chemistry; Cairo University; Giza Egypt
2. Faculty of Science, Chemistry Department; Fayoum University; El-Fayoum Egypt
3. Chemistry Department, College of Arts and Sciences-Nairiyah; University of Dammam; Dammam Kingdom of Saudia Arabia
4. Research Unit; Saco Pharm. Co.; 6th October City Egypt